Merge 5.16-rc5 into usb-next

We need the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <[e-mail]>

.mailmap

···
 Greg Kroah-Hartman <[e-mail]>
 Greg Kurz <[e-mail]> <[e-mail]>
 Gregory CLEMENT <[e-mail]> <[e-mail]>
+Guo Ren <[e-mail]> <[e-mail]>
+Guo Ren <[e-mail]> <[e-mail]>
 Gustavo Padovan <[e-mail]>
 Gustavo Padovan <[e-mail]>
 Hanjun Guo <[e-mail]> <[e-mail]>

Documentation/admin-guide/blockdev/drbd/figures.rst

···
     :alt:   disk-states-8.dot
     :align: center
 
-.. kernel-figure:: node-states-8.dot
-    :alt:   node-states-8.dot
+.. kernel-figure:: peer-states-8.dot
+    :alt:   peer-states-8.dot
     :align: center

Documentation/admin-guide/blockdev/drbd/node-states-8.dot Documentation/admin-guide/blockdev/drbd/peer-states-8.dot

···
-digraph node_states {
-	Secondary -> Primary           [ label = "ioctl_set_state()" ]
-	Primary   -> Secondary 	       [ label = "ioctl_set_state()" ]
-}
-
 digraph peer_states {
 	Secondary -> Primary           [ label = "recv state packet" ]
 	Primary   -> Secondary 	       [ label = "recv state packet" ]

Documentation/conf.py

···
 
 html_static_path = ['sphinx-static']
 
-html_context = {
-    'css_files': [
-        '_static/theme_overrides.css',
-    ],
-}
+html_css_files = [
+    'theme_overrides.css',
+]
+
+if major <= 1 and minor < 8:
+    html_context = {
+        'css_files': [
+            '_static/theme_overrides.css',
+        ],
+    }
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied

Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml

···
         samsung,syscon-phandle = <&pmu_system_controller>;
 
         /* NTC thermistor is a hwmon device */
-        ncp15wb473 {
+        thermistor {
             compatible = "murata,ncp15wb473";
             pullup-uv = <1800000>;
             pullup-ohm = <47000>;

Documentation/devicetree/bindings/input/gpio-keys.yaml

···
         down {
             label = "GPIO Key DOWN";
             linux,code = <108>;
-            interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
+            interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
         };
     };
 

Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml

···
 
             properties:
               data-lanes:
+                description:
+                  Note that 'fsl,imx7-mipi-csi2' only supports up to 2 data lines.
                 items:
                   minItems: 1
                   maxItems: 4
···
 
             required:
               - data-lanes
-
-            allOf:
-              - if:
-                  properties:
-                    compatible:
-                      contains:
-                        const: fsl,imx7-mipi-csi2
-                then:
-                  properties:
-                    data-lanes:
-                      items:
-                        maxItems: 2
 
       port@1:
         $ref: /schemas/graph.yaml#/properties/port

Documentation/devicetree/bindings/net/ethernet-phy.yaml

···
       compensate for the board being designed with the lanes
       swapped.
 
+  enet-phy-lane-no-swap:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      If set, indicates that PHY will disable swap of the
+      TX/RX lanes. This property allows the PHY to work correcly after
+      e.g. wrong bootstrap configuration caused by issues in PCB
+      layout design.
+
   eee-broken-100tx:
     $ref: /schemas/types.yaml#/definitions/flag
     description:

Documentation/devicetree/bindings/phy/xlnx,zynqmp-psgtr.yaml

···
           - PHY_TYPE_PCIE
           - PHY_TYPE_SATA
           - PHY_TYPE_SGMII
-          - PHY_TYPE_USB
+          - PHY_TYPE_USB3
       - description: The PHY instance
         minimum: 0
         maximum: 1 # for DP, SATA or USB

Documentation/devicetree/bindings/power/supply/bq25980.yaml

···
           reg = <0x65>;
           interrupt-parent = <&gpio1>;
           interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
-          ti,watchdog-timer = <0>;
+          ti,watchdog-timeout-ms = <0>;
           ti,sc-ocp-limit-microamp = <2000000>;
           ti,sc-ovp-limit-microvolt = <17800000>;
           monitored-battery = <&bat>;

Documentation/devicetree/bindings/sound/wlf,wm8962.yaml

···
   clocks:
     maxItems: 1
 
+  interrupts:
+    maxItems: 1
+
   "#sound-dai-cells":
     const: 0
 

Documentation/devicetree/bindings/spi/spi-rockchip.yaml

···
               - rockchip,rk3328-spi
               - rockchip,rk3368-spi
               - rockchip,rk3399-spi
+              - rockchip,rk3568-spi
               - rockchip,rv1126-spi
           - const: rockchip,rk3066-spi
 

Documentation/locking/locktypes.rst

···
   spin_lock(&p->lock);
   p->count += this_cpu_read(var2);
 
-On a non-PREEMPT_RT kernel migrate_disable() maps to preempt_disable()
-which makes the above code fully equivalent. On a PREEMPT_RT kernel
 migrate_disable() ensures that the task is pinned on the current CPU which
 in turn guarantees that the per-CPU access to var1 and var2 are staying on
-the same CPU.
+the same CPU while the task remains preemptible.
 
 The migrate_disable() substitution is not valid for the following
 scenario::
···
     p = this_cpu_ptr(&var1);
     p->val = func2();
 
-While correct on a non-PREEMPT_RT kernel, this breaks on PREEMPT_RT because
-here migrate_disable() does not protect against reentrancy from a
-preempting task. A correct substitution for this case is::
+This breaks because migrate_disable() does not protect against reentrancy from
+a preempting task. A correct substitution for this case is::
 
   func()
   {

Documentation/process/changes.rst

···
 binutils               2.23             ld -v
 flex                   2.5.35           flex --version
 bison                  2.0              bison --version
+pahole                 1.16             pahole --version
 util-linux             2.10o            fdformat --version
 kmod                   13               depmod -V
 e2fsprogs              1.41.4           e2fsck -V
···
 
 Since Linux 4.16, the build system generates parsers
 during build.  This requires bison 2.0 or later.
+
+pahole:
+-------
+
+Since Linux 5.2, if CONFIG_DEBUG_INFO_BTF is selected, the build system
+generates BTF (BPF Type Format) from DWARF in vmlinux, a bit later from kernel
+modules as well.  This requires pahole v1.16 or later.
+
+It is found in the 'dwarves' or 'pahole' distro packages or from
+https://fedorapeople.org/~acme/dwarves/.
 
 Perl
 ----

Documentation/process/submitting-patches.rst

···
 Documentation/process/submit-checklist.rst
 for a list of items to check before submitting code.  If you are submitting
 a driver, also read Documentation/process/submitting-drivers.rst; for device
-tree binding patches, read Documentation/process/submitting-patches.rst.
+tree binding patches, read
+Documentation/devicetree/bindings/submitting-patches.rst.
 
 This documentation assumes that you're using ``git`` to prepare your patches.
 If you're unfamiliar with ``git``, you would be well-advised to learn how to

MAINTAINERS

···
 F:	drivers/iio/pressure/dps310.c
 
 INFINIBAND SUBSYSTEM
-M:	Doug Ledford <[e-mail]>
 M:	Jason Gunthorpe <[e-mail]>
 L:	[e-mail]
 S:	Supported
···
 F:	scripts/Makefile.kcsan
 
 KDUMP
-M:	Dave Young <[e-mail]>
 M:	Baoquan He <[e-mail]>
 R:	Vivek Goyal <[e-mail]>
+R:	Dave Young <[e-mail]>
 L:	[e-mail]
 S:	Maintained
 W:	http://lse.sourceforge.net/kdump/
···
 F:	include/linux/mlx5/mlx5_ifc_fpga.h
 
 MELLANOX ETHERNET SWITCH DRIVERS
-M:	Jiri Pirko <[e-mail]>
 M:	Ido Schimmel <[e-mail]>
+M:	Petr Machata <[e-mail]>
 L:	[e-mail]
 S:	Supported
 W:	http://www.mellanox.com
···
 F:	Documentation/devicetree/bindings/net/qcom,ethqos.txt
 F:	drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
 
+QUALCOMM FASTRPC DRIVER
+M:	Srinivas Kandagatla <[e-mail]>
+M:	Amol Maheshwari <[e-mail]>
+L:	[e-mail]
+S:	Maintained
+F:	Documentation/devicetree/bindings/misc/qcom,fastrpc.txt
+F:	drivers/misc/fastrpc.c
+F:	include/uapi/misc/fastrpc.h
+
 QUALCOMM GENERIC INTERFACE I2C DRIVER
 M:	Akash Asthana <[e-mail]>
 M:	Mukesh Savaliya <[e-mail]>
···
 F:	drivers/iommu/s390-iommu.c
 
 S390 IUCV NETWORK LAYER
-M:	Julian Wiedmann <[e-mail]>
 M:	Alexandra Winter <[e-mail]>
 M:	Wenjia Zhang <[e-mail]>
 L:	[e-mail]
···
 F:	net/iucv/
 
 S390 NETWORK DRIVERS
-M:	Julian Wiedmann <[e-mail]>
 M:	Alexandra Winter <[e-mail]>
 M:	Wenjia Zhang <[e-mail]>
 L:	[e-mail]

Makefile

···
 VERSION = 5
 PATCHLEVEL = 16
 SUBLEVEL = 0
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
 NAME = Gobble Gobble
 
 # *DOCUMENTATION*
···
 KBUILD_CFLAGS += $(stackp-flags-y)
 
 KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
-KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
+KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH:"%"=%)
 
 ifdef CONFIG_CC_IS_CLANG
 KBUILD_CPPFLAGS += -Qunused-arguments
···
 
 ifneq ($(dtstree),)
 
-%.dtb: dt_binding_check include/config/kernel.release scripts_dtc
-	$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ $(dtstree)/$*.dt.yaml
+%.dtb: include/config/kernel.release scripts_dtc
+	$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
 
-%.dtbo: dt_binding_check include/config/kernel.release scripts_dtc
-	$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ $(dtstree)/$*.dt.yaml
+%.dtbo: include/config/kernel.release scripts_dtc
+	$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
 
 PHONY += dtbs dtbs_install dtbs_check
 dtbs: include/config/kernel.release scripts_dtc
 	$(Q)$(MAKE) $(build)=$(dtstree)
 
-ifneq ($(filter dtbs_check %.dtb %.dtbo, $(MAKECMDGOALS)),)
+ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)
 export CHECK_DTBS=y
 dtbs: dt_binding_check
 endif

arch/arm64/boot/dts/apple/t8103.dtsi

···
  * Copyright The Asahi Linux Contributors
  */
 
+#include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/apple-aic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/apple.h>
···
 			port00: pci@0,0 {
 				device_type = "pci";
 				reg = <0x0 0x0 0x0 0x0 0x0>;
-				reset-gpios = <&pinctrl_ap 152 0>;
+				reset-gpios = <&pinctrl_ap 152 GPIO_ACTIVE_LOW>;
 				max-link-speed = <2>;
 
 				#address-cells = <3>;
···
 			port01: pci@1,0 {
 				device_type = "pci";
 				reg = <0x800 0x0 0x0 0x0 0x0>;
-				reset-gpios = <&pinctrl_ap 153 0>;
+				reset-gpios = <&pinctrl_ap 153 GPIO_ACTIVE_LOW>;
 				max-link-speed = <2>;
 
 				#address-cells = <3>;
···
 			port02: pci@2,0 {
 				device_type = "pci";
 				reg = <0x1000 0x0 0x0 0x0 0x0>;
-				reset-gpios = <&pinctrl_ap 33 0>;
+				reset-gpios = <&pinctrl_ap 33 GPIO_ACTIVE_LOW>;
 				max-link-speed = <1>;
 
 				#address-cells = <3>;

arch/csky/kernel/traps.c

···
 
 asmlinkage void do_trap_fpe(struct pt_regs *regs)
 {
-#ifdef CONFIG_CPU_HAS_FP
+#ifdef CONFIG_CPU_HAS_FPU
 	return fpu_fpe(regs);
 #else
 	do_trap_error(regs, SIGILL, ILL_ILLOPC, regs->pc,
···
 
 asmlinkage void do_trap_priv(struct pt_regs *regs)
 {
-#ifdef CONFIG_CPU_HAS_FP
+#ifdef CONFIG_CPU_HAS_FPU
 	if (user_mode(regs) && fpu_libc_helper(regs))
 		return;
 #endif

arch/mips/net/bpf_jit_comp.h

···
 #define emit(...) __emit(__VA_ARGS__)
 
 /* Workaround for R10000 ll/sc errata */
-#ifdef CONFIG_WAR_R10000
+#ifdef CONFIG_WAR_R10000_LLSC
 #define LLSC_beqz	beqzl
 #else
 #define LLSC_beqz	beqz

arch/x86/Kconfig

···
 	depends on ACPI
 	select UCS2_STRING
 	select EFI_RUNTIME_WRAPPERS
+	select ARCH_USE_MEMREMAP_PROT
 	help
 	  This enables the kernel to use EFI runtime services that are
 	  available (such as the EFI variable services).

arch/x86/include/asm/kvm_host.h

···
 	KVM_ARCH_REQ_FLAGS(25, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
 #define KVM_REQ_TLB_FLUSH_CURRENT	KVM_ARCH_REQ(26)
 #define KVM_REQ_TLB_FLUSH_GUEST \
-	KVM_ARCH_REQ_FLAGS(27, KVM_REQUEST_NO_WAKEUP)
+	KVM_ARCH_REQ_FLAGS(27, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
 #define KVM_REQ_APF_READY		KVM_ARCH_REQ(28)
 #define KVM_REQ_MSR_FILTER_CHANGED	KVM_ARCH_REQ(29)
 #define KVM_REQ_UPDATE_CPU_DIRTY_LOGGING \

arch/x86/kernel/smpboot.c

···
 	{ NULL, },
 };
 
+static struct sched_domain_topology_level x86_hybrid_topology[] = {
+#ifdef CONFIG_SCHED_SMT
+	{ cpu_smt_mask, x86_smt_flags, SD_INIT_NAME(SMT) },
+#endif
+#ifdef CONFIG_SCHED_MC
+	{ cpu_coregroup_mask, x86_core_flags, SD_INIT_NAME(MC) },
+#endif
+	{ cpu_cpu_mask, SD_INIT_NAME(DIE) },
+	{ NULL, },
+};
+
 static struct sched_domain_topology_level x86_topology[] = {
 #ifdef CONFIG_SCHED_SMT
 	{ cpu_smt_mask, x86_smt_flags, SD_INIT_NAME(SMT) },
···
 
 	calculate_max_logical_packages();
 
+	/* XXX for now assume numa-in-package and hybrid don't overlap */
 	if (x86_has_numa_in_package)
 		set_sched_topology(x86_numa_in_package_topology);
+	if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU))
+		set_sched_topology(x86_hybrid_topology);
 
 	nmi_selftest();
 	impress_friends();

arch/x86/kvm/hyperv.c

···
 
 		all_cpus = send_ipi_ex.vp_set.format == HV_GENERIC_SET_ALL;
 
+		if (all_cpus)
+			goto check_and_send_ipi;
+
 		if (!sparse_banks_len)
 			goto ret_success;
 
-		if (!all_cpus &&
-		    kvm_read_guest(kvm,
+		if (kvm_read_guest(kvm,
 				   hc->ingpa + offsetof(struct hv_send_ipi_ex,
 							vp_set.bank_contents),
 				   sparse_banks,
···
 			return HV_STATUS_INVALID_HYPERCALL_INPUT;
 	}
 
+check_and_send_ipi:
 	if ((vector < HV_IPI_LOW_VECTOR) || (vector > HV_IPI_HIGH_VECTOR))
 		return HV_STATUS_INVALID_HYPERCALL_INPUT;
 

arch/x86/kvm/vmx/vmx.c

···
 		if (!loaded_vmcs->msr_bitmap)
 			goto out_vmcs;
 		memset(loaded_vmcs->msr_bitmap, 0xff, PAGE_SIZE);
-
-		if (IS_ENABLED(CONFIG_HYPERV) &&
-		    static_branch_unlikely(&enable_evmcs) &&
-		    (ms_hyperv.nested_features & HV_X64_NESTED_MSR_BITMAP)) {
-			struct hv_enlightened_vmcs *evmcs =
-				(struct hv_enlightened_vmcs *)loaded_vmcs->vmcs;
-
-			evmcs->hv_enlightenments_control.msr_bitmap = 1;
-		}
 	}
 
 	memset(&loaded_vmcs->host_state, 0, sizeof(struct vmcs_host_state));
···
 	err = alloc_loaded_vmcs(&vmx->vmcs01);
 	if (err < 0)
 		goto free_pml;
+
+	/*
+	 * Use Hyper-V 'Enlightened MSR Bitmap' feature when KVM runs as a
+	 * nested (L1) hypervisor and Hyper-V in L0 supports it. Enable the
+	 * feature only for vmcs01, KVM currently isn't equipped to realize any
+	 * performance benefits from enabling it for vmcs02.
+	 */
+	if (IS_ENABLED(CONFIG_HYPERV) && static_branch_unlikely(&enable_evmcs) &&
+	    (ms_hyperv.nested_features & HV_X64_NESTED_MSR_BITMAP)) {
+		struct hv_enlightened_vmcs *evmcs = (void *)vmx->vmcs01.vmcs;
+
+		evmcs->hv_enlightenments_control.msr_bitmap = 1;
+	}
 
 	/* The MSR bitmap starts with all ones */
 	bitmap_fill(vmx->shadow_msr_intercept.read, MAX_POSSIBLE_PASSTHROUGH_MSRS);

arch/x86/kvm/x86.c

···
 	    !load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu)))
 		return 1;
 
-	if (!(cr0 & X86_CR0_PG) && kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE))
+	if (!(cr0 & X86_CR0_PG) &&
+	    (is_64_bit_mode(vcpu) || kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE)))
 		return 1;
 
 	static_call(kvm_x86_set_cr0)(vcpu, cr0);
···
 			   unsigned short port, void *val, unsigned int count)
 {
 	if (vcpu->arch.pio.count) {
-		/* Complete previous iteration.  */
+		/*
+		 * Complete a previous iteration that required userspace I/O.
+		 * Note, @count isn't guaranteed to match pio.count as userspace
+		 * can modify ECX before rerunning the vCPU.  Ignore any such
+		 * shenanigans as KVM doesn't support modifying the rep count,
+		 * and the emulator ensures @count doesn't overflow the buffer.
+		 */
 	} else {
 		int r = __emulator_pio_in(vcpu, size, port, count);
 		if (!r)
···
 		/* Results already available, fall through.  */
 	}
 
-	WARN_ON(count != vcpu->arch.pio.count);
 	complete_emulator_pio_in(vcpu, val);
 	return 1;
 }

arch/x86/platform/efi/quirks.c

···
 		return;
 	}
 
-	new = early_memremap(data.phys_map, data.size);
+	new = early_memremap_prot(data.phys_map, data.size,
+				  pgprot_val(pgprot_encrypted(FIXMAP_PAGE_NORMAL)));
 	if (!new) {
 		pr_err("Failed to map new boot services memmap\n");
 		return;

block/fops.c

···
 #include <linux/falloc.h>
 #include <linux/suspend.h>
 #include <linux/fs.h>
+#include <linux/module.h>
 #include "blk.h"
 
 static inline struct inode *bdev_file_inode(struct file *file)
···
 	} else {
 		ret = bio_iov_iter_get_pages(bio, iter);
 		if (unlikely(ret)) {
-			bio->bi_status = BLK_STS_IOERR;
-			bio_endio(bio);
+			bio_put(bio);
 			return ret;
 		}
 	}

block/ioprio.c

···
 				pgrp = task_pgrp(current);
 			else
 				pgrp = find_vpid(who);
+			read_lock(&tasklist_lock);
 			do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
 				tmpio = get_task_ioprio(p);
 				if (tmpio < 0)
···
 				else
 					ret = ioprio_best(ret, tmpio);
 			} while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
+			read_unlock(&tasklist_lock);
+
 			break;
 		case IOPRIO_WHO_USER:
 			uid = make_kuid(current_user_ns(), who);

drivers/android/binder.c

···
 	__release(&t->lock);
 
 	/*
-	 * If this thread used poll, make sure we remove the waitqueue
-	 * from any epoll data structures holding it with POLLFREE.
-	 * waitqueue_active() is safe to use here because we're holding
-	 * the inner lock.
+	 * If this thread used poll, make sure we remove the waitqueue from any
+	 * poll data structures holding it.
 	 */
-	if ((thread->looper & BINDER_LOOPER_STATE_POLL) &&
-	    waitqueue_active(&thread->wait)) {
-		wake_up_poll(&thread->wait, EPOLLHUP | POLLFREE);
-	}
+	if (thread->looper & BINDER_LOOPER_STATE_POLL)
+		wake_up_pollfree(&thread->wait);
 
 	binder_inner_proc_unlock(thread->proc);
 
 	/*
-	 * This is needed to avoid races between wake_up_poll() above and
-	 * and ep_remove_waitqueue() called for other reasons (eg the epoll file
-	 * descriptor being closed); ep_remove_waitqueue() holds an RCU read
-	 * lock, so we can be sure it's done after calling synchronize_rcu().
+	 * This is needed to avoid races between wake_up_pollfree() above and
+	 * someone else removing the last entry from the queue for other reasons
+	 * (e.g. ep_remove_wait_queue() being called due to an epoll file
+	 * descriptor being closed).  Such other users hold an RCU read lock, so
+	 * we can be sure they're done after we call synchronize_rcu().
 	 */
 	if (thread->looper & BINDER_LOOPER_STATE_POLL)
 		synchronize_rcu();

drivers/ata/ahci_ceva.c

···
 static unsigned int ceva_ahci_read_id(struct ata_device *dev,
 					struct ata_taskfile *tf, u16 *id)
 {
+	__le16 *__id = (__le16 *)id;
 	u32 err_mask;
 
 	err_mask = ata_do_dev_read_id(dev, tf, id);
···
 	 * Since CEVA controller does not support device sleep feature, we
 	 * need to clear DEVSLP (bit 8) in word78 of the IDENTIFY DEVICE data.
 	 */
-	id[ATA_ID_FEATURE_SUPP] &= cpu_to_le16(~(1 << 8));
+	__id[ATA_ID_FEATURE_SUPP] &= cpu_to_le16(~(1 << 8));
 
 	return 0;
 }

drivers/ata/libata-core.c

···
 	{ "VRFDFC22048UCHC-TE*", NULL,		ATA_HORKAGE_NODMA },
 	/* Odd clown on sil3726/4726 PMPs */
 	{ "Config  Disk",	NULL,		ATA_HORKAGE_DISABLE },
+	/* Similar story with ASMedia 1092 */
+	{ "ASMT109x- Config",	NULL,		ATA_HORKAGE_DISABLE },
 
 	/* Weird ATAPI devices */
 	{ "TORiSAN DVD-ROM DRD-N216", NULL,	ATA_HORKAGE_MAX_SEC_128 },

drivers/bus/mhi/core/pm.c

···
 }
 EXPORT_SYMBOL_GPL(mhi_pm_suspend);
 
-int mhi_pm_resume(struct mhi_controller *mhi_cntrl)
+static int __mhi_pm_resume(struct mhi_controller *mhi_cntrl, bool force)
 {
 	struct mhi_chan *itr, *tmp;
 	struct device *dev = &mhi_cntrl->mhi_dev->dev;
···
 	if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state))
 		return -EIO;
 
-	if (mhi_get_mhi_state(mhi_cntrl) != MHI_STATE_M3)
-		return -EINVAL;
+	if (mhi_get_mhi_state(mhi_cntrl) != MHI_STATE_M3) {
+		dev_warn(dev, "Resuming from non M3 state (%s)\n",
+			 TO_MHI_STATE_STR(mhi_get_mhi_state(mhi_cntrl)));
+		if (!force)
+			return -EINVAL;
+	}
 
 	/* Notify clients about exiting LPM */
 	list_for_each_entry_safe(itr, tmp, &mhi_cntrl->lpm_chans, node) {
···
 
 	return 0;
 }
+
+int mhi_pm_resume(struct mhi_controller *mhi_cntrl)
+{
+	return __mhi_pm_resume(mhi_cntrl, false);
+}
 EXPORT_SYMBOL_GPL(mhi_pm_resume);
+
+int mhi_pm_resume_force(struct mhi_controller *mhi_cntrl)
+{
+	return __mhi_pm_resume(mhi_cntrl, true);
+}
+EXPORT_SYMBOL_GPL(mhi_pm_resume_force);
 
 int __mhi_device_get_sync(struct mhi_controller *mhi_cntrl)
 {

drivers/bus/mhi/pci_generic.c

···
 
 #define MHI_PCI_DEFAULT_BAR_NUM 0
 
-#define MHI_POST_RESET_DELAY_MS 500
+#define MHI_POST_RESET_DELAY_MS 2000
 
 #define HEALTH_CHECK_PERIOD (HZ * 2)
 

drivers/clk/imx/clk-imx8qxp-lpcg.c

···
 	.probe = imx8qxp_lpcg_clk_probe,
 };
 
-builtin_platform_driver(imx8qxp_lpcg_clk_driver);
+module_platform_driver(imx8qxp_lpcg_clk_driver);
 
 MODULE_AUTHOR("Aisheng Dong <[e-mail]>");
 MODULE_DESCRIPTION("NXP i.MX8QXP LPCG clock driver");

drivers/clk/imx/clk-imx8qxp.c

···
 	},
 	.probe = imx8qxp_clk_probe,
 };
-builtin_platform_driver(imx8qxp_clk_driver);
+module_platform_driver(imx8qxp_clk_driver);
 
 MODULE_AUTHOR("Aisheng Dong <[e-mail]>");
 MODULE_DESCRIPTION("NXP i.MX8QXP clock driver");

drivers/clk/qcom/clk-alpha-pll.c

···
 void clk_trion_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap,
 			     const struct alpha_pll_config *config)
 {
+	/*
+	 * If the bootloader left the PLL enabled it's likely that there are
+	 * RCGs that will lock up if we disable the PLL below.
+	 */
+	if (trion_pll_is_enabled(pll, regmap)) {
+		pr_debug("Trion PLL is already enabled, skipping configuration\n");
+		return;
+	}
+
 	clk_alpha_pll_write_config(regmap, PLL_L_VAL(pll), config->l);
 	regmap_write(regmap, PLL_CAL_L_VAL(pll), TRION_PLL_CAL_VAL);
 	clk_alpha_pll_write_config(regmap, PLL_ALPHA_VAL(pll), config->alpha);

drivers/clk/qcom/clk-regmap-mux.c

···
 	val &= mask;
 
 	if (mux->parent_map)
-		return qcom_find_src_index(hw, mux->parent_map, val);
+		return qcom_find_cfg_index(hw, mux->parent_map, val);
 
 	return val;
 }

drivers/clk/qcom/common.c

···
 }
 EXPORT_SYMBOL_GPL(qcom_find_src_index);
 
+int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, u8 cfg)
+{
+	int i, num_parents = clk_hw_get_num_parents(hw);
+
+	for (i = 0; i < num_parents; i++)
+		if (cfg == map[i].cfg)
+			return i;
+
+	return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(qcom_find_cfg_index);
+
 struct regmap *
 qcom_cc_map(struct platform_device *pdev, const struct qcom_cc_desc *desc)
 {

drivers/clk/qcom/common.h

···
 qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count);
 extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
 			       u8 src);
+extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
+			       u8 cfg);
 
 extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
 				      const char *name, unsigned long rate);

drivers/clk/qcom/gcc-sm6125.c

···
 		.name = "gcc_sdcc1_apps_clk_src",
 		.parent_data = gcc_parent_data_1,
 		.num_parents = ARRAY_SIZE(gcc_parent_data_1),
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_rcg2_floor_ops,
 	},
 };
 
···
 		.name = "gcc_sdcc1_ice_core_clk_src",
 		.parent_data = gcc_parent_data_0,
 		.num_parents = ARRAY_SIZE(gcc_parent_data_0),
-		.ops = &clk_rcg2_floor_ops,
+		.ops = &clk_rcg2_ops,
 	},
 };
 

drivers/clk/versatile/clk-icst.c

···
 
 	regclk = icst_clk_setup(NULL, &icst_desc, name, parent_name, map, ctype);
 	if (IS_ERR(regclk)) {
-		kfree(name);
 		pr_err("error setting up syscon ICST clock %s\n", name);
+		kfree(name);
 		return;
 	}
 	of_clk_add_provider(np, of_clk_src_simple_get, regclk);

drivers/clocksource/arm_arch_timer.c

···
 
 static atomic_t timer_unstable_counter_workaround_in_use = ATOMIC_INIT(0);
 
-static void erratum_set_next_event_generic(const int access, unsigned long evt,
-						struct clock_event_device *clk)
+/*
+ * Force the inlining of this function so that the register accesses
+ * can be themselves correctly inlined.
+ */
+static __always_inline
+void erratum_set_next_event_generic(const int access, unsigned long evt,
+				    struct clock_event_device *clk)
 {
 	unsigned long ctrl;
 	u64 cval;

drivers/clocksource/dw_apb_timer_of.c

···
 			pr_warn("pclk for %pOFn is present, but could not be activated\n",
 				np);
 
-	if (!of_property_read_u32(np, "clock-freq", rate) &&
+	if (!of_property_read_u32(np, "clock-freq", rate) ||
 	    !of_property_read_u32(np, "clock-frequency", rate))
 		return 0;
 

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

···
 		 */
 		link_enc_cfg_init(dm->dc, dc_state);
 
-		amdgpu_dm_outbox_init(adev);
+		if (dc_enable_dmub_notifications(adev->dm.dc))
+			amdgpu_dm_outbox_init(adev);
 
 		r = dm_dmub_hw_init(adev);
 		if (r)
···
 	dm_state->context = dc_create_state(dm->dc);
 	/* TODO: Remove dc_state->dccg, use dc->dccg directly. */
 	dc_resource_state_construct(dm->dc, dm_state->context);
+
+	/* Re-enable outbox interrupts for DPIA. */
+	if (dc_enable_dmub_notifications(adev->dm.dc))
+		amdgpu_dm_outbox_init(adev);
 
 	/* Before powering on DC we need to re-initialize DMUB. */
 	r = dm_dmub_hw_init(adev);

drivers/gpu/drm/amd/display/dc/dc_link.h

···
 	*edp_num = 0;
 	for (i = 0; i < dc->link_count; i++) {
 		// report any eDP links, even unconnected DDI's
+		if (!dc->links[i])
+			continue;
 		if (dc->links[i]->connector_signal == SIGNAL_TYPE_EDP) {
 			edp_links[*edp_num] = dc->links[i];
 			if (++(*edp_num) == MAX_NUM_EDP)

drivers/gpu/drm/drm_gem_shmem_helper.c

···
 #include <linux/shmem_fs.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
+#include <linux/module.h>
 
 #ifdef CONFIG_X86
 #include <asm/set_memory.h>

drivers/gpu/drm/drm_syncobj.c

···
 
 	if (*fence) {
 		ret = dma_fence_chain_find_seqno(fence, point);
-		if (!ret)
+		if (!ret) {
+			/* If the requested seqno is already signaled
+			 * drm_syncobj_find_fence may return a NULL
+			 * fence. To make sure the recipient gets
+			 * signalled, use a new fence instead.
+			 */
+			if (!*fence)
+				*fence = dma_fence_get_stub();
+
 			goto out;
+		}
 		dma_fence_put(*fence);
 	} else {
 		ret = -EINVAL;

drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c

···
 	out_fence = eb_requests_create(&eb, in_fence, out_fence_fd);
 	if (IS_ERR(out_fence)) {
 		err = PTR_ERR(out_fence);
+		out_fence = NULL;
 		if (eb.requests[0])
 			goto err_request;
 		else

drivers/gpu/drm/i915/gt/intel_gtt.c

···
 #include <linux/slab.h> /* fault-inject.h is not standalone! */
 
 #include <linux/fault-inject.h>
+#include <linux/sched/mm.h>
 
 #include "gem/i915_gem_lmem.h"
 #include "i915_trace.h"

drivers/gpu/drm/i915/gt/intel_workarounds.c

···
 		    GAMT_CHKN_BIT_REG,
 		    GAMT_CHKN_DISABLE_L3_COH_PIPE);
 
+	/* Wa_1407352427:icl,ehl */
+	wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
+		    PSDUNIT_CLKGATE_DIS);
+
+	/* Wa_1406680159:icl,ehl */
+	wa_write_or(wal,
+		    SUBSLICE_UNIT_LEVEL_CLKGATE,
+		    GWUNIT_CLKGATE_DIS);
+
 	/* Wa_1607087056:icl,ehl,jsl */
 	if (IS_ICELAKE(i915) ||
 	    IS_JSL_EHL_GT_STEP(i915, STEP_A0, STEP_B0))
···
 		 */
 		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE,
 			    VSUNIT_CLKGATE_DIS | HSUNIT_CLKGATE_DIS);
-
-		/* Wa_1407352427:icl,ehl */
-		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
-			    PSDUNIT_CLKGATE_DIS);
-
-		/* Wa_1406680159:icl,ehl */
-		wa_write_or(wal,
-			    SUBSLICE_UNIT_LEVEL_CLKGATE,
-			    GWUNIT_CLKGATE_DIS);
 
 		/*
 		 * Wa_1408767742:icl[a2..forever],ehl[all]

drivers/gpu/drm/i915/i915_request.c

···
 #include <linux/sched.h>
 #include <linux/sched/clock.h>
 #include <linux/sched/signal.h>
+#include <linux/sched/mm.h>
 
 #include "gem/i915_gem_context.h"
 #include "gt/intel_breadcrumbs.h"

drivers/gpu/drm/lima/lima_device.c

···
 #include <linux/regulator/consumer.h>
 #include <linux/reset.h>
 #include <linux/clk.h>
+#include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 

drivers/gpu/drm/msm/msm_gem_shrinker.c

···
  */
 
 #include <linux/vmalloc.h>
+#include <linux/sched/mm.h>
 
 #include "msm_drv.h"
 #include "msm_gem.h"

drivers/gpu/drm/ttm/ttm_bo.c

···
 	 * as an indication that we're about to swap out.
 	 */
 	memset(&place, 0, sizeof(place));
-	place.mem_type = TTM_PL_SYSTEM;
+	place.mem_type = bo->resource->mem_type;
 	if (!ttm_bo_evict_swapout_allowable(bo, ctx, &place, &locked, NULL))
 		return -EBUSY;
 
···
 		struct ttm_place hop;
 
 		memset(&hop, 0, sizeof(hop));
+		place.mem_type = TTM_PL_SYSTEM;
 		ret = ttm_resource_alloc(bo, &place, &evict_mem);
 		if (unlikely(ret))
 			goto out;

drivers/gpu/drm/ttm/ttm_tt.c

···
 #include <linux/sched.h>
 #include <linux/shmem_fs.h>
 #include <linux/file.h>
+#include <linux/module.h>
 #include <drm/drm_cache.h>
 #include <drm/ttm/ttm_bo_driver.h>
 

drivers/hid/Kconfig

···
 
 config HID_CHICONY
 	tristate "Chicony devices"
-	depends on HID
+	depends on USB_HID
 	default !EXPERT
 	help
 	Support for Chicony Tactical pad and special keys on Chicony keyboards.
 
 config HID_CORSAIR
 	tristate "Corsair devices"
-	depends on HID && USB && LEDS_CLASS
+	depends on USB_HID && LEDS_CLASS
 	help
 	Support for Corsair devices that are not fully compliant with the
 	HID standard.
···
 
 config HID_PRODIKEYS
 	tristate "Prodikeys PC-MIDI Keyboard support"
-	depends on HID && SND
+	depends on USB_HID && SND
 	select SND_RAWMIDI
 	help
 	Support for Prodikeys PC-MIDI Keyboard device support.
···
 
 config HID_LOGITECH
 	tristate "Logitech devices"
-	depends on HID
+	depends on USB_HID
 	depends on LEDS_CLASS
 	default !EXPERT
 	help
···
 
 config HID_SAMSUNG
 	tristate "Samsung InfraRed remote control or keyboards"
-	depends on HID
+	depends on USB_HID
 	help
 	Support for Samsung InfraRed remote control or keyboards.
 

drivers/hid/hid-asus.c

···
 	if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
 		drvdata->tp = &asus_i2c_tp;
 
-	if ((drvdata->quirks & QUIRK_T100_KEYBOARD) &&
-	    hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
+	if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
 		struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 
 		if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
···
 		drvdata->tp = &asus_t100chi_tp;
 	}
 
-	if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
-	    hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
+	if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) {
 		struct usb_host_interface *alt =
 			to_usb_interface(hdev->dev.parent)->altsetting;
 

drivers/hid/hid-bigbenff.c

···
 		struct bigben_device, worker);
 	struct hid_field *report_field = bigben->report->field[0];
 
-	if (bigben->removed)
+	if (bigben->removed || !report_field)
 		return;
 
 	if (bigben->work_led) {

drivers/hid/hid-chicony.c

···
 {
 	int ret;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	hdev->quirks |= HID_QUIRK_INPUT_PER_APP;
 	ret = hid_parse(hdev);
 	if (ret) {

drivers/hid/hid-corsair.c

···
 	int ret;
 	unsigned long quirks = id->driver_data;
 	struct corsair_drvdata *drvdata;
-	struct usb_interface *usbif = to_usb_interface(dev->dev.parent);
+	struct usb_interface *usbif;
+
+	if (!hid_is_usb(dev))
+		return -EINVAL;
+
+	usbif = to_usb_interface(dev->dev.parent);
 
 	drvdata = devm_kzalloc(&dev->dev, sizeof(struct corsair_drvdata),
 			       GFP_KERNEL);

drivers/hid/hid-elan.c

···
 
 static int is_not_elan_touchpad(struct hid_device *hdev)
 {
-	if (hdev->bus == BUS_USB) {
+	if (hid_is_usb(hdev)) {
 		struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
 
 		return (intf->altsetting->desc.bInterfaceNumber !=

drivers/hid/hid-elo.c

···
 	int ret;
 	struct usb_device *udev;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;

drivers/hid/hid-ft260.c

···
 	struct ft260_get_chip_version_report version;
 	int ret;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	dev = devm_kzalloc(&hdev->dev, sizeof(*dev), GFP_KERNEL);
 	if (!dev)
 		return -ENOMEM;

drivers/hid/hid-google-hammer.c

···
 	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
 		     USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_DON) },
 	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+		     USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_EEL) },
+	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
 		     USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_HAMMER) },
 	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
 		     USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_MAGNEMITE) },

drivers/hid/hid-holtek-kbd.c

···
 static int holtek_kbd_probe(struct hid_device *hdev,
 		const struct hid_device_id *id)
 {
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
-	int ret = hid_parse(hdev);
+	struct usb_interface *intf;
+	int ret;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	ret = hid_parse(hdev);
 	if (!ret)
 		ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 
+	intf = to_usb_interface(hdev->dev.parent);
 	if (!ret && intf->cur_altsetting->desc.bInterfaceNumber == 1) {
 		struct hid_input *hidinput;
 		list_for_each_entry(hidinput, &hdev->inputs, list) {

drivers/hid/hid-holtek-mouse.c

···
 	return rdesc;
 }
 
+static int holtek_mouse_probe(struct hid_device *hdev,
+			      const struct hid_device_id *id)
+{
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+	return 0;
+}
+
 static const struct hid_device_id holtek_mouse_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
 			USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
···
 	.name = "holtek_mouse",
 	.id_table = holtek_mouse_devices,
 	.report_fixup = holtek_mouse_report_fixup,
+	.probe = holtek_mouse_probe,
 };
 
 module_hid_driver(holtek_mouse_driver);

drivers/hid/hid-ids.h

···
 #define USB_DEVICE_ID_HP_X2_10_COVER	0x0755
 #define I2C_DEVICE_ID_HP_ENVY_X360_15	0x2d05
 #define I2C_DEVICE_ID_HP_SPECTRE_X360_15	0x2817
+#define USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN	0x2544
 #define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN	0x2706
 #define I2C_DEVICE_ID_SURFACE_GO_TOUCHSCREEN	0x261A
 
···
 #define USB_DEVICE_ID_GOOGLE_MAGNEMITE	0x503d
 #define USB_DEVICE_ID_GOOGLE_MOONBALL	0x5044
 #define USB_DEVICE_ID_GOOGLE_DON	0x5050
+#define USB_DEVICE_ID_GOOGLE_EEL	0x5057
 
 #define USB_VENDOR_ID_GOTOP		0x08f2
 #define USB_DEVICE_ID_SUPER_Q2		0x007f
···
 #define USB_DEVICE_ID_MS_TOUCH_COVER_2   0x07a7
 #define USB_DEVICE_ID_MS_TYPE_COVER_2    0x07a9
 #define USB_DEVICE_ID_MS_POWER_COVER     0x07da
+#define USB_DEVICE_ID_MS_SURFACE3_COVER		0x07de
 #define USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER	0x02fd
 #define USB_DEVICE_ID_MS_PIXART_MOUSE    0x00cb
 #define USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS      0x02e0

drivers/hid/hid-input.c

···
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN),
 	  HID_BATTERY_QUIRK_IGNORE },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550VE_TOUCHSCREEN),
+	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_ENVY_X360_15),
 	  HID_BATTERY_QUIRK_IGNORE },
 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, I2C_DEVICE_ID_HP_SPECTRE_X360_15),

drivers/hid/hid-lg.c

···
 
 static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
-	struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
-	__u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+	struct usb_interface *iface;
+	__u8 iface_num;
 	unsigned int connect_mask = HID_CONNECT_DEFAULT;
 	struct lg_drv_data *drv_data;
 	int ret;
+
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	iface = to_usb_interface(hdev->dev.parent);
+	iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
 
 	/* G29 only work with the 1st interface */
 	if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) &&

drivers/hid/hid-logitech-dj.c

···
 	case recvr_type_bluetooth:	no_dj_interfaces = 2; break;
 	case recvr_type_dinovo:		no_dj_interfaces = 2; break;
 	}
-	if (hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
+	if (hid_is_usb(hdev)) {
 		intf = to_usb_interface(hdev->dev.parent);
 		if (intf && intf->altsetting->desc.bInterfaceNumber >=
 							no_dj_interfaces) {

drivers/hid/hid-prodikeys.c

···
 static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	int ret;
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
-	unsigned short ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+	struct usb_interface *intf;
+	unsigned short ifnum;
 	unsigned long quirks = id->driver_data;
 	struct pk_device *pk;
 	struct pcmidi_snd *pm = NULL;
+
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
+	intf = to_usb_interface(hdev->dev.parent);
+	ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
 
 	pk = kzalloc(sizeof(*pk), GFP_KERNEL);
 	if (pk == NULL) {

drivers/hid/hid-quirks.c

···
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCS, USB_DEVICE_ID_MCS_GAMEPADBLOCK), HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PIXART_MOUSE), HID_QUIRK_ALWAYS_POLL },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER), HID_QUIRK_NO_INIT_REPORTS },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE3_COVER), HID_QUIRK_NO_INIT_REPORTS },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE_PRO_2), HID_QUIRK_NO_INIT_REPORTS },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2), HID_QUIRK_NO_INIT_REPORTS },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2), HID_QUIRK_NO_INIT_REPORTS },

drivers/hid/hid-roccat-arvo.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-isku.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-kone.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-koneplus.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-konepure.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-kovaplus.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-lua.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-pyra.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-ryos.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-roccat-savu.c

···
 {
 	int retval;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	retval = hid_parse(hdev);
 	if (retval) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-samsung.c

···
 	int ret;
 	unsigned int cmask = HID_CONNECT_DEFAULT;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	ret = hid_parse(hdev);
 	if (ret) {
 		hid_err(hdev, "parse failed\n");

drivers/hid/hid-sony.c

···
 	sc->quirks = quirks;
 	hid_set_drvdata(hdev, sc);
 	sc->hdev = hdev;
-	usbdev = to_usb_device(sc->hdev->dev.parent->parent);
 
 	ret = hid_parse(hdev);
 	if (ret) {
···
 	 */
 	if (!(hdev->claimed & HID_CLAIMED_INPUT)) {
 		hid_err(hdev, "failed to claim input\n");
-		hid_hw_stop(hdev);
-		return -ENODEV;
+		ret = -ENODEV;
+		goto err;
 	}
 
 	if (sc->quirks & (GHL_GUITAR_PS3WIIU | GHL_GUITAR_PS4)) {
+		if (!hid_is_usb(hdev)) {
+			ret = -EINVAL;
+			goto err;
+		}
+
+		usbdev = to_usb_device(sc->hdev->dev.parent->parent);
+
 		sc->ghl_urb = usb_alloc_urb(0, GFP_ATOMIC);
-		if (!sc->ghl_urb)
-			return -ENOMEM;
+		if (!sc->ghl_urb) {
+			ret = -ENOMEM;
+			goto err;
+		}
 
 		if (sc->quirks & GHL_GUITAR_PS3WIIU)
 			ret = ghl_init_urb(sc, usbdev, ghl_ps3wiiu_magic_data,
···
 							   ARRAY_SIZE(ghl_ps4_magic_data));
 		if (ret) {
 			hid_err(hdev, "error preparing URB\n");
-			return ret;
+			goto err;
 		}
 
 		timer_setup(&sc->ghl_poke_timer, ghl_magic_poke, 0);
···
 			  jiffies + GHL_GUITAR_POKE_INTERVAL*HZ);
 	}
 
+	return ret;
+
+err:
+	hid_hw_stop(hdev);
 	return ret;
 }
 

drivers/hid/hid-thrustmaster.c

···
 	int ret = 0;
 	struct tm_wheel *tm_wheel = NULL;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	ret = hid_parse(hdev);
 	if (ret) {
 		hid_err(hdev, "parse failed with error %d\n", ret);

drivers/hid/hid-u2fzero.c

···
 	unsigned int minor;
 	int ret;
 
-	if (!hid_is_using_ll_driver(hdev, &usb_hid_driver))
+	if (!hid_is_usb(hdev))
 		return -EINVAL;
 
 	dev = devm_kzalloc(&hdev->dev, sizeof(*dev), GFP_KERNEL);

drivers/hid/hid-uclogic-core.c

···
 	struct uclogic_drvdata *drvdata = NULL;
 	bool params_initialized = false;
 
+	if (!hid_is_usb(hdev))
+		return -EINVAL;
+
 	/*
 	 * libinput requires the pad interface to be on a different node
 	 * than the pen, so use QUIRK_MULTI_INPUT for all tablets.

drivers/hid/hid-uclogic-params.c

···
 	struct uclogic_params p = {0, };
 
 	/* Check arguments */
-	if (params == NULL || hdev == NULL ||
-	    !hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
+	if (params == NULL || hdev == NULL || !hid_is_usb(hdev)) {
 		rc = -EINVAL;
 		goto cleanup;
 	}

drivers/hid/intel-ish-hid/ipc/pci-ish.c

···
 
 	if (ish_should_leave_d0i3(pdev) && !dev->suspend_flag
 			&& IPC_IS_ISH_ILUP(fwsts)) {
-		disable_irq_wake(pdev->irq);
+		if (device_may_wakeup(&pdev->dev))
+			disable_irq_wake(pdev->irq);
 
 		ish_set_host_ready(dev);
 
···
 			 */
 			pci_save_state(pdev);
 
-			enable_irq_wake(pdev->irq);
+			if (device_may_wakeup(&pdev->dev))
+				enable_irq_wake(pdev->irq);
 		}
 	} else {
 		/*

drivers/hid/wacom_sys.c

···
 	 * Skip the query for this type and modify defaults based on
 	 * interface number.
 	 */
-	if (features->type == WIRELESS) {
+	if (features->type == WIRELESS && intf) {
 		if (intf->cur_altsetting->desc.bInterfaceNumber == 0)
 			features->device_type = WACOM_DEVICETYPE_WL_MONITOR;
 		else
···
 	if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) {
 		char *product_name = wacom->hdev->name;
 
-		if (hid_is_using_ll_driver(wacom->hdev, &usb_hid_driver)) {
+		if (hid_is_usb(wacom->hdev)) {
 			struct usb_interface *intf = to_usb_interface(wacom->hdev->dev.parent);
 			struct usb_device *dev = interface_to_usbdev(intf);
 			product_name = dev->product;
···
 	 */
 
 	wacom_destroy_battery(wacom);
+
+	if (!usbdev)
+		return;
 
 	/* Stylus interface */
 	hdev1 = usb_get_intfdata(usbdev->config->interface[1]);
···
 static int wacom_probe(struct hid_device *hdev,
 		const struct hid_device_id *id)
 {
-	struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
-	struct usb_device *dev = interface_to_usbdev(intf);
 	struct wacom *wacom;
 	struct wacom_wac *wacom_wac;
 	struct wacom_features *features;
···
 	wacom_wac->hid_data.inputmode = -1;
 	wacom_wac->mode_report = -1;
 
-	wacom->usbdev = dev;
-	wacom->intf = intf;
+	if (hid_is_usb(hdev)) {
+		struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+		struct usb_device *dev = interface_to_usbdev(intf);
+
+		wacom->usbdev = dev;
+		wacom->intf = intf;
+	}
+
 	mutex_init(&wacom->lock);
 	INIT_DELAYED_WORK(&wacom->init_work, wacom_init_work);
 	INIT_WORK(&wacom->wireless_work, wacom_wireless_work);

drivers/hwmon/corsair-psu.c

···
 	corsairpsu_check_cmd_support(priv);
 
 	priv->hwmon_dev = hwmon_device_register_with_info(&hdev->dev, "corsairpsu", priv,
-							  &corsairpsu_chip_info, 0);
+							  &corsairpsu_chip_info, NULL);
 
 	if (IS_ERR(priv->hwmon_dev)) {
 		ret = PTR_ERR(priv->hwmon_dev);

drivers/hwmon/dell-smm-hwmon.c

···
 {
 	struct dell_smm_data *data = dev_get_drvdata(dev);
 
-	/* Register the proc entry */
-	proc_create_data("i8k", 0, NULL, &i8k_proc_ops, data);
-
-	devm_add_action_or_reset(dev, i8k_exit_procfs, NULL);
+	/* Only register exit function if creation was successful */
+	if (proc_create_data("i8k", 0, NULL, &i8k_proc_ops, data))
+		devm_add_action_or_reset(dev, i8k_exit_procfs, NULL);
 }
 
 #else

drivers/hwmon/nct6775.c

···
 
 	nct6775_wmi_set_bank(data, reg);
 
-	err = nct6775_asuswmi_read(data->bank, reg, &tmp);
+	err = nct6775_asuswmi_read(data->bank, reg & 0xff, &tmp);
 	if (err)
 		return 0;
 

drivers/hwmon/pwm-fan.c

···
 			return ret;
 	}
 
-	ctx->pwm_value = MAX_PWM;
-
 	pwm_init_state(ctx->pwm, &ctx->pwm_state);
 
 	/*

drivers/hwmon/sht4x.c

···
 /*
  * I2C command delays (in microseconds)
  */
-#define SHT4X_MEAS_DELAY	1000
+#define SHT4X_MEAS_DELAY_HPM	8200	/* see t_MEAS,h in datasheet */
 #define SHT4X_DELAY_EXTRA	10000
 
 /*
···
 	if (ret < 0)
 		goto unlock;
 
-	usleep_range(SHT4X_MEAS_DELAY, SHT4X_MEAS_DELAY + SHT4X_DELAY_EXTRA);
+	usleep_range(SHT4X_MEAS_DELAY_HPM, SHT4X_MEAS_DELAY_HPM + SHT4X_DELAY_EXTRA);
 
 	ret = i2c_master_recv(client, raw_data, SHT4X_RESPONSE_LENGTH);
 	if (ret != SHT4X_RESPONSE_LENGTH) {

drivers/i2c/busses/i2c-mpc.c

···
 	status = readb(i2c->base + MPC_I2C_SR);
 	if (status & CSR_MIF) {
 		/* Wait up to 100us for transfer to properly complete */
-		readb_poll_timeout(i2c->base + MPC_I2C_SR, status, !(status & CSR_MCF), 0, 100);
+		readb_poll_timeout_atomic(i2c->base + MPC_I2C_SR, status, status & CSR_MCF, 0, 100);
 		writeb(0, i2c->base + MPC_I2C_SR);
 		mpc_i2c_do_intr(i2c, status);
 		return IRQ_HANDLED;

drivers/i2c/busses/i2c-virtio.c

···
 /**
  * struct virtio_i2c - virtio I2C data
  * @vdev: virtio device for this controller
- * @completion: completion of virtio I2C message
  * @adap: I2C adapter for this controller
  * @vq: the virtio virtqueue for communication
  */
 struct virtio_i2c {
 	struct virtio_device *vdev;
-	struct completion completion;
 	struct i2c_adapter adap;
 	struct virtqueue *vq;
 };
 
 /**
  * struct virtio_i2c_req - the virtio I2C request structure
+ * @completion: completion of virtio I2C message
  * @out_hdr: the OUT header of the virtio I2C message
  * @buf: the buffer into which data is read, or from which it's written
  * @in_hdr: the IN header of the virtio I2C message
  */
 struct virtio_i2c_req {
+	struct completion completion;
 	struct virtio_i2c_out_hdr out_hdr	____cacheline_aligned;
 	uint8_t *buf				____cacheline_aligned;
 	struct virtio_i2c_in_hdr in_hdr		____cacheline_aligned;
···
 
 static void virtio_i2c_msg_done(struct virtqueue *vq)
 {
-	struct virtio_i2c *vi = vq->vdev->priv;
+	struct virtio_i2c_req *req;
+	unsigned int len;
 
-	complete(&vi->completion);
+	while ((req = virtqueue_get_buf(vq, &len)))
+		complete(&req->completion);
 }
 
 static int virtio_i2c_prepare_reqs(struct virtqueue *vq,
···
 
 	for (i = 0; i < num; i++) {
 		int outcnt = 0, incnt = 0;
+
+		init_completion(&reqs[i].completion);
 
 		/*
 		 * Only 7-bit mode supported for this moment. For the address
···
 				    struct virtio_i2c_req *reqs,
 				    struct i2c_msg *msgs, int num)
 {
-	struct virtio_i2c_req *req;
 	bool failed = false;
-	unsigned int len;
 	int i, j = 0;
 
 	for (i = 0; i < num; i++) {
-		/* Detach the ith request from the vq */
-		req = virtqueue_get_buf(vq, &len);
+		struct virtio_i2c_req *req = &reqs[i];
 
-		/*
-		 * Condition req == &reqs[i] should always meet since we have
-		 * total num requests in the vq. reqs[i] can never be NULL here.
-		 */
-		if (!failed && (WARN_ON(req != &reqs[i]) ||
-				req->in_hdr.status != VIRTIO_I2C_MSG_OK))
+		wait_for_completion(&req->completion);
+
+		if (!failed && req->in_hdr.status != VIRTIO_I2C_MSG_OK)
 			failed = true;
 
 		i2c_put_dma_safe_msg_buf(reqs[i].buf, &msgs[i], !failed);
···
 	 * remote here to clear the virtqueue, so we can try another set of
 	 * messages later on.
 	 */
-
-	reinit_completion(&vi->completion);
 	virtqueue_kick(vq);
-
-	wait_for_completion(&vi->completion);
 
 	count = virtio_i2c_complete_reqs(vq, reqs, msgs, count);
 
···
 
 	vdev->priv = vi;
 	vi->vdev = vdev;
-
-	init_completion(&vi->completion);
 
 	ret = virtio_i2c_setup_vqs(vi);
 	if (ret)

drivers/iio/accel/kxcjk-1013.c

···
 	return 0;
 
 err_buffer_cleanup:
-	if (data->dready_trig)
-		iio_triggered_buffer_cleanup(indio_dev);
+	iio_triggered_buffer_cleanup(indio_dev);
 err_trigger_unregister:
 	if (data->dready_trig)
 		iio_trigger_unregister(data->dready_trig);
···
 	pm_runtime_disable(&client->dev);
 	pm_runtime_set_suspended(&client->dev);
 
+	iio_triggered_buffer_cleanup(indio_dev);
 	if (data->dready_trig) {
-		iio_triggered_buffer_cleanup(indio_dev);
 		iio_trigger_unregister(data->dready_trig);
 		iio_trigger_unregister(data->motion_trig);
 	}

drivers/iio/accel/kxsd9.c

···
 			       hw_values.chan,
 			       sizeof(hw_values.chan));
 	if (ret) {
-		dev_err(st->dev,
-			"error reading data\n");
-		return ret;
+		dev_err(st->dev, "error reading data: %d\n", ret);
+		goto out;
 	}
 
 	iio_push_to_buffers_with_timestamp(indio_dev,
 					   &hw_values,
 					   iio_get_time_ns(indio_dev));
+out:
 	iio_trigger_notify_done(indio_dev->trig);
 
 	return IRQ_HANDLED;

drivers/iio/accel/mma8452.c

···
 	if (ret)
 		return ret;
 
-	indio_dev->trig = trig;
+	indio_dev->trig = iio_trigger_get(trig);
 
 	return 0;
 }

drivers/iio/adc/Kconfig

···
 
 config IMX8QXP_ADC
 	tristate "NXP IMX8QXP ADC driver"
-	depends on ARCH_MXC_ARM64 || COMPILE_TEST
+	depends on ARCH_MXC || COMPILE_TEST
 	depends on HAS_IOMEM
 	help
 	  Say yes here to build support for IMX8QXP ADC.

drivers/iio/adc/ad7768-1.c

···
 	iio_push_to_buffers_with_timestamp(indio_dev, &st->data.scan,
 					   iio_get_time_ns(indio_dev));
 
-	iio_trigger_notify_done(indio_dev->trig);
 err_unlock:
+	iio_trigger_notify_done(indio_dev->trig);
 	mutex_unlock(&st->lock);
 
 	return IRQ_HANDLED;

drivers/iio/adc/at91-sama5d2_adc.c

···
 		*val = st->conversion_value;
 		ret = at91_adc_adjust_val_osr(st, val);
 		if (chan->scan_type.sign == 's')
-			*val = sign_extend32(*val, 11);
+			*val = sign_extend32(*val,
+					     chan->scan_type.realbits - 1);
 		st->conversion_done = false;
 	}
 

drivers/iio/adc/axp20x_adc.c

···
 			  struct iio_chan_spec const *chan, int *val)
 {
 	struct axp20x_adc_iio *info = iio_priv(indio_dev);
-	int size;
 
-	/*
-	 * N.B.: Unlike the Chinese datasheets tell, the charging current is
-	 * stored on 12 bits, not 13 bits. Only discharging current is on 13
-	 * bits.
-	 */
-	if (chan->type == IIO_CURRENT && chan->channel == AXP22X_BATT_DISCHRG_I)
-		size = 13;
-	else
-		size = 12;
-
-	*val = axp20x_read_variable_width(info->regmap, chan->address, size);
+	*val = axp20x_read_variable_width(info->regmap, chan->address, 12);
 	if (*val < 0)
 		return *val;
 
···
 		return IIO_VAL_INT_PLUS_MICRO;
 
 	case IIO_CURRENT:
-		*val = 0;
-		*val2 = 500000;
-		return IIO_VAL_INT_PLUS_MICRO;
+		*val = 1;
+		return IIO_VAL_INT;
 
 	case IIO_TEMP:
 		*val = 100;

drivers/iio/adc/dln2-adc.c

···
 static int dln2_adc_read(struct dln2_adc *dln2, unsigned int channel)
 {
 	int ret, i;
-	struct iio_dev *indio_dev = platform_get_drvdata(dln2->pdev);
 	u16 conflict;
 	__le16 value;
 	int olen = sizeof(value);
···
 		.chan = channel,
 	};
 
-	ret = iio_device_claim_direct_mode(indio_dev);
-	if (ret < 0)
-		return ret;
-
 	ret = dln2_adc_set_chan_enabled(dln2, channel, true);
 	if (ret < 0)
-		goto release_direct;
+		return ret;
 
 	ret = dln2_adc_set_port_enabled(dln2, true, &conflict);
 	if (ret < 0) {
···
 	dln2_adc_set_port_enabled(dln2, false, NULL);
 disable_chan:
 	dln2_adc_set_chan_enabled(dln2, channel, false);
-release_direct:
-	iio_device_release_direct_mode(indio_dev);
 
 	return ret;
 }
···
 
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
+		ret = iio_device_claim_direct_mode(indio_dev);
+		if (ret < 0)
+			return ret;
+
 		mutex_lock(&dln2->mutex);
 		ret = dln2_adc_read(dln2, chan->channel);
 		mutex_unlock(&dln2->mutex);
+
+		iio_device_release_direct_mode(indio_dev);
 
 		if (ret < 0)
 			return ret;
···
 		return -ENOMEM;
 	}
 	iio_trigger_set_drvdata(dln2->trig, dln2);
-	devm_iio_trigger_register(dev, dln2->trig);
+	ret = devm_iio_trigger_register(dev, dln2->trig);
+	if (ret) {
+		dev_err(dev, "failed to register trigger: %d\n", ret);
+		return ret;
+	}
 	iio_trigger_set_immutable(indio_dev, dln2->trig);
 
 	ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,

drivers/iio/adc/stm32-adc.c

···
 {
 	struct stm32_adc *adc = iio_priv(indio_dev);
 
+	stm32_adc_writel(adc, STM32H7_ADC_PCSEL, 0);
 	stm32h7_adc_disable(indio_dev);
 	stm32_adc_int_ch_disable(adc);
 	stm32h7_adc_enter_pwr_down(adc);
···
 			/* Get calibration data for vrefint channel */
 			ret = nvmem_cell_read_u16(&indio_dev->dev, "vrefint", &vrefint);
 			if (ret && ret != -ENOENT) {
-				return dev_err_probe(&indio_dev->dev, ret,
+				return dev_err_probe(indio_dev->dev.parent, ret,
 						     "nvmem access error\n");
 			}
 			if (ret == -ENOENT)

drivers/iio/gyro/adxrs290.c

···
  */
 
 #include <linux/bitfield.h>
+#include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/kernel.h>
···
 		goto err_unlock;
 	}
 
-	*val = temp;
+	*val = sign_extend32(temp, 15);
 
 err_unlock:
 	mutex_unlock(&st->lock);
···
 	}
 
 	/* extract lower 12 bits temperature reading */
-	*val = temp & 0x0FFF;
+	*val = sign_extend32(temp, 11);
 
 err_unlock:
 	mutex_unlock(&st->lock);

drivers/iio/gyro/itg3200_buffer.c

···
 
 	iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp);
 
+error_ret:
 	iio_trigger_notify_done(indio_dev->trig);
 
-error_ret:
 	return IRQ_HANDLED;
 }
 

drivers/iio/industrialio-trigger.c

···
 		irq_modify_status(trig->subirq_base + i,
 				  IRQ_NOREQUEST | IRQ_NOAUTOEN, IRQ_NOPROBE);
 	}
-	get_device(&trig->dev);
 
 	return trig;
 

drivers/iio/light/ltr501.c

···
 		ret = regmap_bulk_read(data->regmap, LTR501_ALS_DATA1,
 				       als_buf, sizeof(als_buf));
 		if (ret < 0)
-			return ret;
+			goto done;
 		if (test_bit(0, indio_dev->active_scan_mask))
 			scan.channels[j++] = le16_to_cpu(als_buf[1]);
 		if (test_bit(1, indio_dev->active_scan_mask))

drivers/iio/light/stk3310.c

···
 	mutex_lock(&data->lock);
 	ret = regmap_field_read(data->reg_flag_nf, &dir);
 	if (ret < 0) {
-		dev_err(&data->client->dev, "register read failed\n");
-		mutex_unlock(&data->lock);
-		return ret;
+		dev_err(&data->client->dev, "register read failed: %d\n", ret);
+		goto out;
 	}
 	event = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 1,
 				     IIO_EV_TYPE_THRESH,
···
 	ret = regmap_field_write(data->reg_flag_psint, 0);
 	if (ret < 0)
 		dev_err(&data->client->dev, "failed to reset interrupts\n");
+out:
 	mutex_unlock(&data->lock);
 
 	return IRQ_HANDLED;

drivers/iio/trigger/stm32-timer-trigger.c

···
 };
 module_platform_driver(stm32_timer_trigger_driver);
 
-MODULE_ALIAS("platform: stm32-timer-trigger");
+MODULE_ALIAS("platform:stm32-timer-trigger");
 MODULE_DESCRIPTION("STMicroelectronics STM32 Timer Trigger driver");
 MODULE_LICENSE("GPL v2");

drivers/infiniband/hw/hfi1/chip.c

···
  */
 static void __hfi1_rcd_eoi_intr(struct hfi1_ctxtdata *rcd)
 {
+	if (!rcd->rcvhdrq)
+		return;
 	clear_recv_intr(rcd);
 	if (check_packet_present(rcd))
 		force_recv_intr(rcd);

drivers/infiniband/hw/hfi1/driver.c

···
 	struct hfi1_packet packet;
 	int skip_pkt = 0;
 
+	if (!rcd->rcvhdrq)
+		return RCV_PKT_OK;
 	/* Control context will always use the slow path interrupt handler */
 	needset = (rcd->ctxt == HFI1_CTRL_CTXT) ? 0 : 1;
 

drivers/infiniband/hw/hfi1/init.c

···
 	rcd->fast_handler = get_dma_rtail_setting(rcd) ?
 				handle_receive_interrupt_dma_rtail :
 				handle_receive_interrupt_nodma_rtail;
-	rcd->slow_handler = handle_receive_interrupt;
 
 	hfi1_set_seq_cnt(rcd, 1);
 
···
 		rcd->numa_id = numa;
 		rcd->rcv_array_groups = dd->rcv_entries.ngroups;
 		rcd->rhf_rcv_function_map = normal_rhf_rcv_functions;
+		rcd->slow_handler = handle_receive_interrupt;
+		rcd->do_interrupt = rcd->slow_handler;
 		rcd->msix_intr = CCE_NUM_MSIX_VECTORS;
 
 		mutex_init(&rcd->exp_mutex);
···
 	if (ret)
 		goto done;
 
-	/* allocate dummy tail memory for all receive contexts */
-	dd->rcvhdrtail_dummy_kvaddr = dma_alloc_coherent(&dd->pcidev->dev,
-							 sizeof(u64),
-							 &dd->rcvhdrtail_dummy_dma,
-							 GFP_KERNEL);
-
-	if (!dd->rcvhdrtail_dummy_kvaddr) {
-		dd_dev_err(dd, "cannot allocate dummy tail memory\n");
-		ret = -ENOMEM;
-		goto done;
-	}
-
 	/* dd->rcd can be NULL if early initialization failed */
 	for (i = 0; dd->rcd && i < dd->first_dyn_alloc_ctxt; ++i) {
 		/*
···
 		rcd = hfi1_rcd_get_by_index(dd, i);
 		if (!rcd)
 			continue;
-
-		rcd->do_interrupt = &handle_receive_interrupt;
 
 		lastfail = hfi1_create_rcvhdrq(dd, rcd);
 		if (!lastfail)
···
 	rcd->egrbufs.rcvtids = NULL;
 
 	for (e = 0; e < rcd->egrbufs.alloced; e++) {
-		if (rcd->egrbufs.buffers[e].dma)
+		if (rcd->egrbufs.buffers[e].addr)
 			dma_free_coherent(&dd->pcidev->dev,
 					  rcd->egrbufs.buffers[e].len,
 					  rcd->egrbufs.buffers[e].addr,
···
 	dd->tx_opstats    = NULL;
 	kfree(dd->comp_vect);
 	dd->comp_vect = NULL;
+	if (dd->rcvhdrtail_dummy_kvaddr)
+		dma_free_coherent(&dd->pcidev->dev, sizeof(u64),
+				  (void *)dd->rcvhdrtail_dummy_kvaddr,
+				  dd->rcvhdrtail_dummy_dma);
+	dd->rcvhdrtail_dummy_kvaddr = NULL;
 	sdma_clean(dd, dd->num_sdma);
 	rvt_dealloc_device(&dd->verbs_dev.rdi);
 }
···
 
 	dd->comp_vect = kzalloc(sizeof(*dd->comp_vect), GFP_KERNEL);
 	if (!dd->comp_vect) {
+		ret = -ENOMEM;
+		goto bail;
+	}
+
+	/* allocate dummy tail memory for all receive contexts */
+	dd->rcvhdrtail_dummy_kvaddr =
+		dma_alloc_coherent(&dd->pcidev->dev, sizeof(u64),
+				   &dd->rcvhdrtail_dummy_dma, GFP_KERNEL);
+	if (!dd->rcvhdrtail_dummy_kvaddr) {
 		ret = -ENOMEM;
 		goto bail;
 	}
···
 	}
 
 	free_credit_return(dd);
-
-	if (dd->rcvhdrtail_dummy_kvaddr) {
-		dma_free_coherent(&dd->pcidev->dev, sizeof(u64),
-				  (void *)dd->rcvhdrtail_dummy_kvaddr,
-				  dd->rcvhdrtail_dummy_dma);
-		dd->rcvhdrtail_dummy_kvaddr = NULL;
-	}
 
 	/*
 	 * Free any resources still in use (usually just kernel contexts)

drivers/infiniband/hw/hfi1/sdma.c

···
 	if (current->nr_cpus_allowed != 1)
 		goto out;
 
-	cpu_id = smp_processor_id();
 	rcu_read_lock();
+	cpu_id = smp_processor_id();
 	rht_node = rhashtable_lookup(dd->sdma_rht, &cpu_id,
 				     sdma_rht_params);
 

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

···
 #include <linux/acpi.h>
 #include <linux/etherdevice.h>
 #include <linux/interrupt.h>
+#include <linux/iopoll.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <net/addrconf.h>
···
 					unsigned long instance_stage,
 					unsigned long reset_stage)
 {
+#define HW_RESET_TIMEOUT_US 1000000
+#define HW_RESET_SLEEP_US 1000
+
 	struct hns_roce_v2_priv *priv = hr_dev->priv;
 	struct hnae3_handle *handle = priv->handle;
 	const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+	unsigned long val;
+	int ret;
 
 	/* When hardware reset is detected, we should stop sending mailbox&cmq&
 	 * doorbell to hardware. If now in .init_instance() function, we should
···
 	 * again.
 	 */
 	hr_dev->dis_db = true;
-	if (!ops->get_hw_reset_stat(handle))
+
+	ret = read_poll_timeout(ops->ae_dev_reset_cnt, val,
+				val > hr_dev->reset_cnt, HW_RESET_SLEEP_US,
+				HW_RESET_TIMEOUT_US, false, handle);
+	if (!ret)
 		hr_dev->is_reset = true;
 
 	if (!hr_dev->is_reset || reset_stage == HNS_ROCE_STATE_RST_INIT ||
···
 	if (!hr_dev)
 		return 0;
 
-	hr_dev->is_reset = true;
 	hr_dev->active = false;
 	hr_dev->dis_db = true;
-
 	hr_dev->state = HNS_ROCE_DEVICE_STATE_RST_DOWN;
 
 	return 0;

drivers/infiniband/hw/irdma/hw.c

···
 {
 	struct irdma_cq *cq = iwcq->back_cq;
 
+	if (!cq->user_mode)
+		cq->armed = false;
 	if (cq->ibcq.comp_handler)
 		cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context);
 }
···
 		qp->flush_code = FLUSH_PROT_ERR;
 		break;
 	case IRDMA_AE_AMP_BAD_QP:
+	case IRDMA_AE_WQE_UNEXPECTED_OPCODE:
 		qp->flush_code = FLUSH_LOC_QP_OP_ERR;
 		break;
 	case IRDMA_AE_AMP_BAD_STAG_KEY:
···
 	case IRDMA_AE_PRIV_OPERATION_DENIED:
 	case IRDMA_AE_IB_INVALID_REQUEST:
 	case IRDMA_AE_IB_REMOTE_ACCESS_ERROR:
-	case IRDMA_AE_IB_REMOTE_OP_ERROR:
 		qp->flush_code = FLUSH_REM_ACCESS_ERR;
 		qp->event_type = IRDMA_QP_EVENT_ACCESS_ERR;
 		break;
···
 	case IRDMA_AE_AMP_MWBIND_BIND_DISABLED:
 	case IRDMA_AE_AMP_MWBIND_INVALID_BOUNDS:
 		qp->flush_code = FLUSH_MW_BIND_ERR;
+		break;
+	case IRDMA_AE_IB_REMOTE_OP_ERROR:
+		qp->flush_code = FLUSH_REM_OP_ERR;
 		break;
 	default:
 		qp->flush_code = FLUSH_FATAL_ERR;

drivers/infiniband/hw/irdma/main.h

···
 		    void (*callback_fcn)(struct irdma_cqp_request *cqp_request),
 		    void *cb_param);
 void irdma_gsi_ud_qp_ah_cb(struct irdma_cqp_request *cqp_request);
+bool irdma_cq_empty(struct irdma_cq *iwcq);
 int irdma_inetaddr_event(struct notifier_block *notifier, unsigned long event,
 			 void *ptr);
 int irdma_inet6addr_event(struct notifier_block *notifier, unsigned long event,

drivers/infiniband/hw/irdma/pble.c

···
 		list_del(&chunk->list);
 		if (chunk->type == PBLE_SD_PAGED)
 			irdma_pble_free_paged_mem(chunk);
-		if (chunk->bitmapbuf)
-			kfree(chunk->bitmapmem.va);
+		bitmap_free(chunk->bitmapbuf);
 		kfree(chunk->chunkmem.va);
 	}
 }
···
 		  "PBLE: next_fpm_addr = %llx chunk_size[%llu] = 0x%llx\n",
 		  pble_rsrc->next_fpm_addr, chunk->size, chunk->size);
 	pble_rsrc->unallocated_pble -= (u32)(chunk->size >> 3);
-	list_add(&chunk->list, &pble_rsrc->pinfo.clist);
 	sd_reg_val = (sd_entry_type == IRDMA_SD_TYPE_PAGED) ?
 			     sd_entry->u.pd_table.pd_page_addr.pa :
 			     sd_entry->u.bp.addr.pa;
···
 			goto error;
 	}
 
+	list_add(&chunk->list, &pble_rsrc->pinfo.clist);
 	sd_entry->valid = true;
 	return 0;
 
 error:
-	if (chunk->bitmapbuf)
-		kfree(chunk->bitmapmem.va);
+	bitmap_free(chunk->bitmapbuf);
 	kfree(chunk->chunkmem.va);
 
 	return ret_code;

drivers/infiniband/hw/irdma/pble.h

···
 	u32 pg_cnt;
 	enum irdma_alloc_type type;
 	struct irdma_sc_dev *dev;
-	struct irdma_virt_mem bitmapmem;
 	struct irdma_virt_mem chunkmem;
 };
 

drivers/infiniband/hw/irdma/utils.c

···
 
 	sizeofbitmap = (u64)pchunk->size >> pprm->pble_shift;
 
-	pchunk->bitmapmem.size = sizeofbitmap >> 3;
-	pchunk->bitmapmem.va = kzalloc(pchunk->bitmapmem.size, GFP_KERNEL);
-
-	if (!pchunk->bitmapmem.va)
+	pchunk->bitmapbuf = bitmap_zalloc(sizeofbitmap, GFP_KERNEL);
+	if (!pchunk->bitmapbuf)
 		return IRDMA_ERR_NO_MEMORY;
-
-	pchunk->bitmapbuf = pchunk->bitmapmem.va;
-	bitmap_zero(pchunk->bitmapbuf, sizeofbitmap);
 
 	pchunk->sizeofbitmap = sizeofbitmap;
 	/* each pble is 8 bytes hence shift by 3 */
···
 	ibevent.device = iwqp->ibqp.device;
 	ibevent.element.qp = &iwqp->ibqp;
 	iwqp->ibqp.event_handler(&ibevent, iwqp->ibqp.qp_context);
+}
+
+bool irdma_cq_empty(struct irdma_cq *iwcq)
+{
+	struct irdma_cq_uk *ukcq;
+	u64 qword3;
+	__le64 *cqe;
+	u8 polarity;
+
+	ukcq  = &iwcq->sc_cq.cq_uk;
+	cqe = IRDMA_GET_CURRENT_CQ_ELEM(ukcq);
+	get_64bit_val(cqe, 24, &qword3);
+	polarity = (u8)FIELD_GET(IRDMA_CQ_VALID, qword3);
+
+	return polarity != ukcq->polarity;
 }

drivers/infiniband/hw/irdma/verbs.c

···
 	struct irdma_cq *iwcq;
 	struct irdma_cq_uk *ukcq;
 	unsigned long flags;
-	enum irdma_cmpl_notify cq_notify = IRDMA_CQ_COMPL_EVENT;
+	enum irdma_cmpl_notify cq_notify;
+	bool promo_event = false;
+	int ret = 0;
 
+	cq_notify = notify_flags == IB_CQ_SOLICITED ?
+		    IRDMA_CQ_COMPL_SOLICITED : IRDMA_CQ_COMPL_EVENT;
 	iwcq = to_iwcq(ibcq);
 	ukcq = &iwcq->sc_cq.cq_uk;
-	if (notify_flags == IB_CQ_SOLICITED)
-		cq_notify = IRDMA_CQ_COMPL_SOLICITED;
 
 	spin_lock_irqsave(&iwcq->lock, flags);
-	irdma_uk_cq_request_notification(ukcq, cq_notify);
+	/* Only promote to arm the CQ for any event if the last arm event was solicited. */
+	if (iwcq->last_notify == IRDMA_CQ_COMPL_SOLICITED && notify_flags != IB_CQ_SOLICITED)
+		promo_event = true;
+
+	if (!iwcq->armed || promo_event) {
+		iwcq->armed = true;
+		iwcq->last_notify = cq_notify;
+		irdma_uk_cq_request_notification(ukcq, cq_notify);
+	}
+
+	if ((notify_flags & IB_CQ_REPORT_MISSED_EVENTS) && !irdma_cq_empty(iwcq))
+		ret = 1;
 	spin_unlock_irqrestore(&iwcq->lock, flags);
 
-	return 0;
+	return ret;
 }
 
 static int irdma_roce_port_immutable(struct ib_device *ibdev, u32 port_num,

drivers/infiniband/hw/irdma/verbs.h

···
 	u16 cq_size;
 	u16 cq_num;
 	bool user_mode;
+	bool armed;
+	enum irdma_cmpl_notify last_notify;
 	u32 polled_cmpls;
 	u32 cq_mem_size;
 	struct irdma_dma_mem kmem;

drivers/infiniband/hw/mlx5/mlx5_ib.h

···
 
 	/* User MR data */
 	struct mlx5_cache_ent *cache_ent;
-	struct ib_umem *umem;
 
 	/* This is zero'd when the MR is allocated */
 	union {
···
 			struct list_head list;
 		};
 
-		/* Used only by kernel MRs (umem == NULL) */
+		/* Used only by kernel MRs */
 		struct {
 			void *descs;
 			void *descs_alloc;
···
 			int data_length;
 		};
 
-		/* Used only by User MRs (umem != NULL) */
+		/* Used only by User MRs */
 		struct {
+			struct ib_umem *umem;
 			unsigned int page_shift;
 			/* Current access_flags */
 			int access_flags;

drivers/infiniband/hw/mlx5/mr.c

···
 	return ret;
 }
 
-static void
-mlx5_free_priv_descs(struct mlx5_ib_mr *mr)
+static void mlx5_free_priv_descs(struct mlx5_ib_mr *mr)
 {
-	if (!mr->umem && mr->descs) {
-		struct ib_device *device = mr->ibmr.device;
-		int size = mr->max_descs * mr->desc_size;
-		struct mlx5_ib_dev *dev = to_mdev(device);
+	struct mlx5_ib_dev *dev = to_mdev(mr->ibmr.device);
+	int size = mr->max_descs * mr->desc_size;
 
-		dma_unmap_single(&dev->mdev->pdev->dev, mr->desc_map, size,
-				 DMA_TO_DEVICE);
-		kfree(mr->descs_alloc);
-		mr->descs = NULL;
-	}
+	if (!mr->descs)
+		return;
+
+	dma_unmap_single(&dev->mdev->pdev->dev, mr->desc_map, size,
+			 DMA_TO_DEVICE);
+	kfree(mr->descs_alloc);
+	mr->descs = NULL;
 }
 
 int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
···
 	if (mr->cache_ent) {
 		mlx5_mr_cache_free(dev, mr);
 	} else {
-		mlx5_free_priv_descs(mr);
+		if (!udata)
+			mlx5_free_priv_descs(mr);
 		kfree(mr);
 	}
 	return 0;
···
 	if (err)
 		goto err_free_in;
 
-	mr->umem = NULL;
 	kfree(in);
 
 	return mr;
···
 	}
 
 	mr->ibmr.device = pd->device;
-	mr->umem = NULL;
 
 	switch (mr_type) {
 	case IB_MR_TYPE_MEM_REG:

drivers/infiniband/sw/rxe/rxe_qp.c

···
 
 err2:
 	rxe_queue_cleanup(qp->sq.queue);
+	qp->sq.queue = NULL;
 err1:
 	qp->pd = NULL;
 	qp->rcq = NULL;

drivers/infiniband/ulp/rtrs/rtrs-clt-stats.c

···
 	int cpu;
 
 	cpu = raw_smp_processor_id();
-	s = this_cpu_ptr(stats->pcpu_stats);
+	s = get_cpu_ptr(stats->pcpu_stats);
 	if (con->cpu != cpu) {
 		s->cpu_migr.to++;
 
···
 		s = per_cpu_ptr(stats->pcpu_stats, con->cpu);
 		atomic_inc(&s->cpu_migr.from);
 	}
+	put_cpu_ptr(stats->pcpu_stats);
 }
 
 void rtrs_clt_inc_failover_cnt(struct rtrs_clt_stats *stats)
 {
 	struct rtrs_clt_stats_pcpu *s;
 
-	s = this_cpu_ptr(stats->pcpu_stats);
+	s = get_cpu_ptr(stats->pcpu_stats);
 	s->rdma.failover_cnt++;
+	put_cpu_ptr(stats->pcpu_stats);
 }
 
 int rtrs_clt_stats_migration_from_cnt_to_str(struct rtrs_clt_stats *stats, char *buf)
···
 {
 	struct rtrs_clt_stats_pcpu *s;
 
-	s = this_cpu_ptr(stats->pcpu_stats);
+	s = get_cpu_ptr(stats->pcpu_stats);
 	s->rdma.dir[d].cnt++;
 	s->rdma.dir[d].size_total += size;
+	put_cpu_ptr(stats->pcpu_stats);
 }
 
 void rtrs_clt_update_all_stats(struct rtrs_clt_io_req *req, int dir)

drivers/irqchip/irq-apple-aic.c

···
 	.free = aic_ipi_free,
 };
 
-static int aic_init_smp(struct aic_irq_chip *irqc, struct device_node *node)
+static int __init aic_init_smp(struct aic_irq_chip *irqc, struct device_node *node)
 {
 	struct irq_domain *ipi_domain;
 	int base_ipi;

drivers/irqchip/irq-armada-370-xp.c

···
 	int hwirq, i;
 
 	mutex_lock(&msi_used_lock);
-
-	hwirq = bitmap_find_next_zero_area(msi_used, PCI_MSI_DOORBELL_NR,
-					   0, nr_irqs, 0);
-	if (hwirq >= PCI_MSI_DOORBELL_NR) {
-		mutex_unlock(&msi_used_lock);
-		return -ENOSPC;
-	}
-
-	bitmap_set(msi_used, hwirq, nr_irqs);
+	hwirq = bitmap_find_free_region(msi_used, PCI_MSI_DOORBELL_NR,
+					order_base_2(nr_irqs));
 	mutex_unlock(&msi_used_lock);
+
+	if (hwirq < 0)
+		return -ENOSPC;
 
 	for (i = 0; i < nr_irqs; i++) {
 		irq_domain_set_info(domain, virq + i, hwirq + i,
···
 				    NULL, NULL);
 	}
 
-	return hwirq;
+	return 0;
 }
 
 static void armada_370_xp_msi_free(struct irq_domain *domain,
···
 	struct irq_data *d = irq_domain_get_irq_data(domain, virq);
 
 	mutex_lock(&msi_used_lock);
-	bitmap_clear(msi_used, d->hwirq, nr_irqs);
+	bitmap_release_region(msi_used, d->hwirq, order_base_2(nr_irqs));
 	mutex_unlock(&msi_used_lock);
 }
 

drivers/irqchip/irq-aspeed-scu-ic.c

···
 		generic_handle_domain_irq(scu_ic->irq_domain,
 					  bit - scu_ic->irq_shift);
 
-		regmap_update_bits(scu_ic->scu, scu_ic->reg, mask,
-				   BIT(bit + ASPEED_SCU_IC_STATUS_SHIFT));
+		regmap_write_bits(scu_ic->scu, scu_ic->reg, mask,
+				  BIT(bit + ASPEED_SCU_IC_STATUS_SHIFT));
 	}
 
 	chained_irq_exit(chip, desc);

drivers/irqchip/irq-bcm7120-l2.c

···
 	}
 
 	data->num_parent_irqs = platform_irq_count(pdev);
+	put_device(&pdev->dev);
 	if (data->num_parent_irqs <= 0) {
 		pr_err("invalid number of parent interrupts\n");
 		ret = -ENOMEM;

drivers/irqchip/irq-gic-v3-its.c

···
 
 	its_fixup_cmd(cmd);
 
-	return NULL;
+	return desc->its_invall_cmd.col;
 }
 
 static struct its_vpe *its_build_vinvall_cmd(struct its_node *its,

drivers/irqchip/irq-mips-gic.c

···
 
 #define pr_fmt(fmt) "irq-mips-gic: " fmt
 
+#include <linux/bitfield.h>
 #include <linux/bitmap.h>
 #include <linux/clocksource.h>
 #include <linux/cpuhotplug.h>
···
 	mips_gic_base = ioremap(gic_base, gic_len);
 
 	gicconfig = read_gic_config();
-	gic_shared_intrs = gicconfig & GIC_CONFIG_NUMINTERRUPTS;
-	gic_shared_intrs >>= __ffs(GIC_CONFIG_NUMINTERRUPTS);
+	gic_shared_intrs = FIELD_GET(GIC_CONFIG_NUMINTERRUPTS, gicconfig);
 	gic_shared_intrs = (gic_shared_intrs + 1) * 8;
 
 	if (cpu_has_veic) {

drivers/irqchip/irq-nvic.c

···
 
 #define NVIC_ISER		0x000
 #define NVIC_ICER		0x080
-#define NVIC_IPR		0x300
+#define NVIC_IPR		0x400
 
 #define NVIC_MAX_BANKS		16
 /*

drivers/md/md.c

···
 
 		if (!num_sectors || num_sectors > max_sectors)
 			num_sectors = max_sectors;
+		rdev->sb_start = sb_start;
 	}
 	sb = page_address(rdev->sb_page);
 	sb->data_size = cpu_to_le64(num_sectors);
···
 	spin_lock(&mddev->lock);
 	mddev->pers = NULL;
 	spin_unlock(&mddev->lock);
-	pers->free(mddev, mddev->private);
+	if (mddev->private)
+		pers->free(mddev, mddev->private);
 	mddev->private = NULL;
 	if (pers->sync_request && mddev->to_remove == NULL)
 		mddev->to_remove = &md_redundancy_group;

drivers/misc/cardreader/rtsx_pcr.c

···
 	mutex_lock(&pcr->pcr_mutex);
 	rtsx_pci_power_off(pcr, HOST_ENTER_S3);
 
-	free_irq(pcr->irq, (void *)pcr);
-
 	mutex_unlock(&pcr->pcr_mutex);
 
 	pcr->is_runtime_suspended = true;
···
 	mutex_lock(&pcr->pcr_mutex);
 
 	rtsx_pci_write_register(pcr, HOST_SLEEP_STATE, 0x03, 0x00);
-	rtsx_pci_acquire_irq(pcr);
-	synchronize_irq(pcr->irq);
 
 	if (pcr->ops->fetch_vendor_settings)
 		pcr->ops->fetch_vendor_settings(pcr);

drivers/misc/eeprom/at25.c

···
 static int at25_probe(struct spi_device *spi)
 {
 	struct at25_data	*at25 = NULL;
-	struct spi_eeprom	chip;
 	int			err;
 	int			sr;
 	u8 id[FM25_ID_LEN];
···
 	if (match && !strcmp(match->compatible, "cypress,fm25"))
 		is_fram = 1;
 
+	at25 = devm_kzalloc(&spi->dev, sizeof(struct at25_data), GFP_KERNEL);
+	if (!at25)
+		return -ENOMEM;
+
 	/* Chip description */
-	if (!spi->dev.platform_data) {
-		if (!is_fram) {
-			err = at25_fw_to_chip(&spi->dev, &chip);
-			if (err)
-				return err;
-		}
-	} else
-		chip = *(struct spi_eeprom *)spi->dev.platform_data;
+	if (spi->dev.platform_data) {
+		memcpy(&at25->chip, spi->dev.platform_data, sizeof(at25->chip));
+	} else if (!is_fram) {
+		err = at25_fw_to_chip(&spi->dev, &at25->chip);
+		if (err)
+			return err;
+	}
 
 	/* Ping the chip ... the status register is pretty portable,
 	 * unlike probing manufacturer IDs.  We do expect that system
···
 		return -ENXIO;
 	}
 
-	at25 = devm_kzalloc(&spi->dev, sizeof(struct at25_data), GFP_KERNEL);
-	if (!at25)
-		return -ENOMEM;
-
 	mutex_init(&at25->lock);
-	at25->chip = chip;
 	at25->spi = spi;
 	spi_set_drvdata(spi, at25);
 
···
 			dev_err(&spi->dev, "Error: unsupported size (id %02x)\n", id[7]);
 			return -ENODEV;
 		}
-		chip.byte_len = int_pow(2, id[7] - 0x21 + 4) * 1024;
+		at25->chip.byte_len = int_pow(2, id[7] - 0x21 + 4) * 1024;
 
 		if (at25->chip.byte_len > 64 * 1024)
 			at25->chip.flags |= EE_ADDR3;
···
 	at25->nvmem_config.type = is_fram ? NVMEM_TYPE_FRAM : NVMEM_TYPE_EEPROM;
 	at25->nvmem_config.name = dev_name(&spi->dev);
 	at25->nvmem_config.dev = &spi->dev;
-	at25->nvmem_config.read_only = chip.flags & EE_READONLY;
+	at25->nvmem_config.read_only = at25->chip.flags & EE_READONLY;
 	at25->nvmem_config.root_only = true;
 	at25->nvmem_config.owner = THIS_MODULE;
 	at25->nvmem_config.compat = true;
···
 	at25->nvmem_config.priv = at25;
 	at25->nvmem_config.stride = 1;
 	at25->nvmem_config.word_size = 1;
-	at25->nvmem_config.size = chip.byte_len;
+	at25->nvmem_config.size = at25->chip.byte_len;
 
 	at25->nvmem = devm_nvmem_register(&spi->dev, &at25->nvmem_config);
 	if (IS_ERR(at25->nvmem))
 		return PTR_ERR(at25->nvmem);
 
 	dev_info(&spi->dev, "%d %s %s %s%s, pagesize %u\n",
-		 (chip.byte_len < 1024) ? chip.byte_len : (chip.byte_len / 1024),
-		 (chip.byte_len < 1024) ? "Byte" : "KByte",
+		 (at25->chip.byte_len < 1024) ?
+			at25->chip.byte_len : (at25->chip.byte_len / 1024),
+		 (at25->chip.byte_len < 1024) ? "Byte" : "KByte",
 		 at25->chip.name, is_fram ? "fram" : "eeprom",
-		 (chip.flags & EE_READONLY) ? " (readonly)" : "",
+		 (at25->chip.flags & EE_READONLY) ? " (readonly)" : "",
 		 at25->chip.page_size);
 	return 0;
 }

drivers/misc/fastrpc.c

···
 static u64 fastrpc_get_payload_size(struct fastrpc_invoke_ctx *ctx, int metalen)
 {
 	u64 size = 0;
-	int i;
+	int oix;
 
 	size = ALIGN(metalen, FASTRPC_ALIGN);
-	for (i = 0; i < ctx->nscalars; i++) {
+	for (oix = 0; oix < ctx->nbufs; oix++) {
+		int i = ctx->olaps[oix].raix;
+
 		if (ctx->args[i].fd == 0 || ctx->args[i].fd == -1) {
 
-			if (ctx->olaps[i].offset == 0)
+			if (ctx->olaps[oix].offset == 0)
 				size = ALIGN(size, FASTRPC_ALIGN);
 
-			size += (ctx->olaps[i].mend - ctx->olaps[i].mstart);
+			size += (ctx->olaps[oix].mend - ctx->olaps[oix].mstart);
 		}
 	}
 

drivers/mmc/host/mtk-sd.c

···
 			sdr_set_field(host->base + PAD_DS_TUNE,
 				      PAD_DS_TUNE_DLY1, i);
 		ret = mmc_get_ext_csd(card, &ext_csd);
-		if (!ret)
+		if (!ret) {
 			result_dly1 |= (1 << i);
+			kfree(ext_csd);
+		}
 	}
 	host->hs400_tuning = false;
 

drivers/mmc/host/renesas_sdhi_core.c

···
 
 	/* Issue CMD19 twice for each tap */
 	for (i = 0; i < 2 * priv->tap_num; i++) {
-		int cmd_error;
+		int cmd_error = 0;
 
 		/* Set sampling clock position */
 		sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_TAPSET, i % priv->tap_num);

drivers/mtd/devices/mtd_dataflash.c

···
 	struct mtd_info		mtd;
 };
 
+static const struct spi_device_id dataflash_dev_ids[] = {
+	{ "at45" },
+	{ "dataflash" },
+	{ },
+};
+MODULE_DEVICE_TABLE(spi, dataflash_dev_ids);
+
 #ifdef CONFIG_OF
 static const struct of_device_id dataflash_dt_ids[] = {
 	{ .compatible = "atmel,at45", },
···
 		.name		= "mtd_dataflash",
 		.of_match_table = of_match_ptr(dataflash_dt_ids),
 	},
+	.id_table = dataflash_dev_ids,
 
 	.probe		= dataflash_probe,
 	.remove		= dataflash_remove,

drivers/mtd/nand/raw/Kconfig

···
 config MTD_NAND_DENALI_DT
 	tristate "Denali NAND controller as a DT device"
 	select MTD_NAND_DENALI
-	depends on HAS_DMA && HAVE_CLK && OF
+	depends on HAS_DMA && HAVE_CLK && OF && HAS_IOMEM
 	help
 	  Enable the driver for NAND flash on platforms using a Denali NAND
 	  controller as a DT device.

drivers/mtd/nand/raw/fsmc_nand.c

···
 
 #include <linux/clk.h>
 #include <linux/completion.h>
+#include <linux/delay.h>
 #include <linux/dmaengine.h>
 #include <linux/dma-direction.h>
 #include <linux/dma-mapping.h>
···
 #define FSMC_NAND_BANK_SZ	0x20
 
 #define FSMC_BUSY_WAIT_TIMEOUT	(1 * HZ)
+
+/*
+ * According to SPEAr300 Reference Manual (RM0082)
+ *  TOUDEL = 7ns (Output delay from the flip-flops to the board)
+ *  TINDEL = 5ns (Input delay from the board to the flipflop)
+ */
+#define TOUTDEL	7000
+#define TINDEL	5000
 
 struct fsmc_nand_timings {
 	u8 tclr;
···
 {
 	unsigned long hclk = clk_get_rate(host->clk);
 	unsigned long hclkn = NSEC_PER_SEC / hclk;
-	u32 thiz, thold, twait, tset;
+	u32 thiz, thold, twait, tset, twait_min;
 
 	if (sdrt->tRC_min < 30000)
 		return -EOPNOTSUPP;
···
 	else if (tims->thold > FSMC_THOLD_MASK)
 		tims->thold = FSMC_THOLD_MASK;
 
-	twait = max(sdrt->tRP_min, sdrt->tWP_min);
-	tims->twait = DIV_ROUND_UP(twait / 1000, hclkn) - 1;
-	if (tims->twait == 0)
-		tims->twait = 1;
-	else if (tims->twait > FSMC_TWAIT_MASK)
-		tims->twait = FSMC_TWAIT_MASK;
-
 	tset = max(sdrt->tCS_min - sdrt->tWP_min,
 		   sdrt->tCEA_max - sdrt->tREA_max);
 	tims->tset = DIV_ROUND_UP(tset / 1000, hclkn) - 1;
···
 		tims->tset = 1;
 	else if (tims->tset > FSMC_TSET_MASK)
 		tims->tset = FSMC_TSET_MASK;
+
+	/*
+	 * According to SPEAr300 Reference Manual (RM0082) which gives more
+	 * information related to FSMSC timings than the SPEAr600 one (RM0305),
+	 *   twait >= tCEA - (tset * TCLK) + TOUTDEL + TINDEL
+	 */
+	twait_min = sdrt->tCEA_max - ((tims->tset + 1) * hclkn * 1000)
+		    + TOUTDEL + TINDEL;
+	twait = max3(sdrt->tRP_min, sdrt->tWP_min, twait_min);
+
+	tims->twait = DIV_ROUND_UP(twait / 1000, hclkn) - 1;
+	if (tims->twait == 0)
+		tims->twait = 1;
+	else if (tims->twait > FSMC_TWAIT_MASK)
+		tims->twait = FSMC_TWAIT_MASK;
 
 	return 0;
 }
···
 						instr->ctx.waitrdy.timeout_ms);
 			break;
 		}
+
+		if (instr->delay_ns)
+			ndelay(instr->delay_ns);
 	}
 
 	return ret;

drivers/mtd/nand/raw/nand_base.c

···
 				 struct nand_sdr_timings *spec_timings)
 {
 	const struct nand_controller_ops *ops = chip->controller->ops;
-	int best_mode = 0, mode, ret;
+	int best_mode = 0, mode, ret = -EOPNOTSUPP;
 
 	iface->type = NAND_SDR_IFACE;
 
···
 				   struct nand_nvddr_timings *spec_timings)
 {
 	const struct nand_controller_ops *ops = chip->controller->ops;
-	int best_mode = 0, mode, ret;
+	int best_mode = 0, mode, ret = -EOPNOTSUPP;
 
 	iface->type = NAND_NVDDR_IFACE;
 
···
 			NAND_OP_CMD(NAND_CMD_ERASE1, 0),
 			NAND_OP_ADDR(2, addrs, 0),
 			NAND_OP_CMD(NAND_CMD_ERASE2,
-				    NAND_COMMON_TIMING_MS(conf, tWB_max)),
+				    NAND_COMMON_TIMING_NS(conf, tWB_max)),
 			NAND_OP_WAIT_RDY(NAND_COMMON_TIMING_MS(conf, tBERS_max),
 					 0),
 		};

drivers/net/bonding/bond_alb.c

···
 	struct slave *slave;
 
 	if (!bond_has_slaves(bond)) {
-		bond_info->tx_rebalance_counter = 0;
+		atomic_set(&bond_info->tx_rebalance_counter, 0);
 		bond_info->lp_counter = 0;
 		goto re_arm;
 	}
 
 	rcu_read_lock();
 
-	bond_info->tx_rebalance_counter++;
+	atomic_inc(&bond_info->tx_rebalance_counter);
 	bond_info->lp_counter++;
 
 	/* send learning packets */
···
 	}
 
 	/* rebalance tx traffic */
-	if (bond_info->tx_rebalance_counter >= BOND_TLB_REBALANCE_TICKS) {
+	if (atomic_read(&bond_info->tx_rebalance_counter) >= BOND_TLB_REBALANCE_TICKS) {
 		bond_for_each_slave_rcu(bond, slave, iter) {
 			tlb_clear_slave(bond, slave, 1);
 			if (slave == rcu_access_pointer(bond->curr_active_slave)) {
···
 				bond_info->unbalanced_load = 0;
 			}
 		}
-		bond_info->tx_rebalance_counter = 0;
+		atomic_set(&bond_info->tx_rebalance_counter, 0);
 	}
 
 	if (bond_info->rlb_enabled) {
···
 	tlb_init_slave(slave);
 
 	/* order a rebalance ASAP */
-	bond->alb_info.tx_rebalance_counter = BOND_TLB_REBALANCE_TICKS;
+	atomic_set(&bond->alb_info.tx_rebalance_counter,
+		   BOND_TLB_REBALANCE_TICKS);
 
 	if (bond->alb_info.rlb_enabled)
 		bond->alb_info.rlb_rebalance = 1;
···
 			rlb_clear_slave(bond, slave);
 	} else if (link == BOND_LINK_UP) {
 		/* order a rebalance ASAP */
-		bond_info->tx_rebalance_counter = BOND_TLB_REBALANCE_TICKS;
+		atomic_set(&bond_info->tx_rebalance_counter,
+			   BOND_TLB_REBALANCE_TICKS);
 		if (bond->alb_info.rlb_enabled) {
 			bond->alb_info.rlb_rebalance = 1;
 			/* If the updelay module parameter is smaller than the

drivers/net/can/kvaser_pciefd.c

···
 #define KVASER_PCIEFD_SPACK_EWLR BIT(23)
 #define KVASER_PCIEFD_SPACK_EPLR BIT(24)
 
+/* Kvaser KCAN_EPACK second word */
+#define KVASER_PCIEFD_EPACK_DIR_TX BIT(0)
+
 struct kvaser_pciefd;
 
 struct kvaser_pciefd_can {
···
 
 	can->err_rep_cnt++;
 	can->can.can_stats.bus_error++;
-	stats->rx_errors++;
+	if (p->header[1] & KVASER_PCIEFD_EPACK_DIR_TX)
+		stats->tx_errors++;
+	else
+		stats->rx_errors++;
 
 	can->bec.txerr = bec.txerr;
 	can->bec.rxerr = bec.rxerr;

drivers/net/can/m_can/m_can.c

···
 
 /* Interrupts for version 3.0.x */
 #define IR_ERR_LEC_30X	(IR_STE	| IR_FOE | IR_ACKE | IR_BE | IR_CRCE)
-#define IR_ERR_BUS_30X	(IR_ERR_LEC_30X | IR_WDI | IR_ELO | IR_BEU | \
-			 IR_BEC | IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | \
-			 IR_RF1L | IR_RF0L)
+#define IR_ERR_BUS_30X	(IR_ERR_LEC_30X | IR_WDI | IR_BEU | IR_BEC | \
+			 IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | IR_RF1L | \
+			 IR_RF0L)
 #define IR_ERR_ALL_30X	(IR_ERR_STATE | IR_ERR_BUS_30X)
 
 /* Interrupts for version >= 3.1.x */
 #define IR_ERR_LEC_31X	(IR_PED | IR_PEA)
-#define IR_ERR_BUS_31X      (IR_ERR_LEC_31X | IR_WDI | IR_ELO | IR_BEU | \
-			 IR_BEC | IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | \
-			 IR_RF1L | IR_RF0L)
+#define IR_ERR_BUS_31X      (IR_ERR_LEC_31X | IR_WDI | IR_BEU | IR_BEC | \
+			 IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | IR_RF1L | \
+			 IR_RF0L)
 #define IR_ERR_ALL_31X	(IR_ERR_STATE | IR_ERR_BUS_31X)
 
 /* Interrupt Line Select (ILS) */
···
 		err = m_can_fifo_read(cdev, fgi, M_CAN_FIFO_DATA,
 				      cf->data, DIV_ROUND_UP(cf->len, 4));
 		if (err)
-			goto out_fail;
+			goto out_free_skb;
 	}
 
 	/* acknowledge rx fifo 0 */
···
 
 	return 0;
 
+out_free_skb:
+	kfree_skb(skb);
 out_fail:
 	netdev_err(dev, "FIFO read returned %d\n", err);
 	return err;
···
 {
 	if (irqstatus & IR_WDI)
 		netdev_err(dev, "Message RAM Watchdog event due to missing READY\n");
-	if (irqstatus & IR_ELO)
-		netdev_err(dev, "Error Logging Overflow\n");
 	if (irqstatus & IR_BEU)
 		netdev_err(dev, "Bit Error Uncorrected\n");
 	if (irqstatus & IR_BEC)
···
 	case 30:
 		/* CAN_CTRLMODE_FD_NON_ISO is fixed with M_CAN IP v3.0.x */
 		can_set_static_ctrlmode(dev, CAN_CTRLMODE_FD_NON_ISO);
-		cdev->can.bittiming_const = &m_can_bittiming_const_30X;
-		cdev->can.data_bittiming_const = &m_can_data_bittiming_const_30X;
+		cdev->can.bittiming_const = cdev->bit_timing ?
+			cdev->bit_timing : &m_can_bittiming_const_30X;
+
+		cdev->can.data_bittiming_const = cdev->data_timing ?
+			cdev->data_timing :
+			&m_can_data_bittiming_const_30X;
 		break;
 	case 31:
 		/* CAN_CTRLMODE_FD_NON_ISO is fixed with M_CAN IP v3.1.x */
 		can_set_static_ctrlmode(dev, CAN_CTRLMODE_FD_NON_ISO);
-		cdev->can.bittiming_const = &m_can_bittiming_const_31X;
-		cdev->can.data_bittiming_const = &m_can_data_bittiming_const_31X;
+		cdev->can.bittiming_const = cdev->bit_timing ?
+			cdev->bit_timing : &m_can_bittiming_const_31X;
+
+		cdev->can.data_bittiming_const = cdev->data_timing ?
+			cdev->data_timing :
+			&m_can_data_bittiming_const_31X;
 		break;
 	case 32:
 	case 33:
 		/* Support both MCAN version v3.2.x and v3.3.0 */
-		cdev->can.bittiming_const = &m_can_bittiming_const_31X;
-		cdev->can.data_bittiming_const = &m_can_data_bittiming_const_31X;
+		cdev->can.bittiming_const = cdev->bit_timing ?
+			cdev->bit_timing : &m_can_bittiming_const_31X;
+
+		cdev->can.data_bittiming_const = cdev->data_timing ?
+			cdev->data_timing :
+			&m_can_data_bittiming_const_31X;
 
 		cdev->can.ctrlmode_supported |=
 			(m_can_niso_supported(cdev) ?

drivers/net/can/m_can/m_can.h

···
 	struct sk_buff *tx_skb;
 	struct phy *transceiver;
 
+	const struct can_bittiming_const *bit_timing;
+	const struct can_bittiming_const *data_timing;
+
 	struct m_can_ops *ops;
 
 	int version;

drivers/net/can/m_can/m_can_pci.c

···
 
 #define M_CAN_PCI_MMIO_BAR		0
 
-#define M_CAN_CLOCK_FREQ_EHL		100000000
 #define CTL_CSR_INT_CTL_OFFSET		0x508
+
+struct m_can_pci_config {
+	const struct can_bittiming_const *bit_timing;
+	const struct can_bittiming_const *data_timing;
+	unsigned int clock_freq;
+};
 
 struct m_can_pci_priv {
 	struct m_can_classdev cdev;
···
 static int iomap_read_fifo(struct m_can_classdev *cdev, int offset, void *val, size_t val_count)
 {
 	struct m_can_pci_priv *priv = cdev_to_priv(cdev);
+	void __iomem *src = priv->base + offset;
 
-	ioread32_rep(priv->base + offset, val, val_count);
+	while (val_count--) {
+		*(unsigned int *)val = ioread32(src);
+		val += 4;
+		src += 4;
+	}
 
 	return 0;
 }
···
 			    const void *val, size_t val_count)
 {
 	struct m_can_pci_priv *priv = cdev_to_priv(cdev);
+	void __iomem *dst = priv->base + offset;
 
-	iowrite32_rep(priv->base + offset, val, val_count);
+	while (val_count--) {
+		iowrite32(*(unsigned int *)val, dst);
+		val += 4;
+		dst += 4;
+	}
 
 	return 0;
 }
···
 	.read_fifo = iomap_read_fifo,
 };
 
+static const struct can_bittiming_const m_can_bittiming_const_ehl = {
+	.name = KBUILD_MODNAME,
+	.tseg1_min = 2,		/* Time segment 1 = prop_seg + phase_seg1 */
+	.tseg1_max = 64,
+	.tseg2_min = 1,		/* Time segment 2 = phase_seg2 */
+	.tseg2_max = 128,
+	.sjw_max = 128,
+	.brp_min = 1,
+	.brp_max = 512,
+	.brp_inc = 1,
+};
+
+static const struct can_bittiming_const m_can_data_bittiming_const_ehl = {
+	.name = KBUILD_MODNAME,
+	.tseg1_min = 2,		/* Time segment 1 = prop_seg + phase_seg1 */
+	.tseg1_max = 16,
+	.tseg2_min = 1,		/* Time segment 2 = phase_seg2 */
+	.tseg2_max = 8,
+	.sjw_max = 4,
+	.brp_min = 1,
+	.brp_max = 32,
+	.brp_inc = 1,
+};
+
+static const struct m_can_pci_config m_can_pci_ehl = {
+	.bit_timing = &m_can_bittiming_const_ehl,
+	.data_timing = &m_can_data_bittiming_const_ehl,
+	.clock_freq = 200000000,
+};
+
 static int m_can_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
 {
 	struct device *dev = &pci->dev;
+	const struct m_can_pci_config *cfg;
 	struct m_can_classdev *mcan_class;
 	struct m_can_pci_priv *priv;
 	void __iomem *base;
···
 	if (!mcan_class)
 		return -ENOMEM;
 
+	cfg = (const struct m_can_pci_config *)id->driver_data;
+
 	priv = cdev_to_priv(mcan_class);
 
 	priv->base = base;
···
 	mcan_class->dev = &pci->dev;
 	mcan_class->net->irq = pci_irq_vector(pci, 0);
 	mcan_class->pm_clock_support = 1;
-	mcan_class->can.clock.freq = id->driver_data;
+	mcan_class->bit_timing = cfg->bit_timing;
+	mcan_class->data_timing = cfg->data_timing;
+	mcan_class->can.clock.freq = cfg->clock_freq;
 	mcan_class->ops = &m_can_pci_ops;
 
 	pci_set_drvdata(pci, mcan_class);
···
 			 m_can_pci_suspend, m_can_pci_resume);
 
 static const struct pci_device_id m_can_pci_id_table[] = {
-	{ PCI_VDEVICE(INTEL, 0x4bc1), M_CAN_CLOCK_FREQ_EHL, },
-	{ PCI_VDEVICE(INTEL, 0x4bc2), M_CAN_CLOCK_FREQ_EHL, },
+	{ PCI_VDEVICE(INTEL, 0x4bc1), (kernel_ulong_t)&m_can_pci_ehl, },
+	{ PCI_VDEVICE(INTEL, 0x4bc2), (kernel_ulong_t)&m_can_pci_ehl, },
 	{  }	/* Terminating Entry */
 };
 MODULE_DEVICE_TABLE(pci, m_can_pci_id_table);

drivers/net/can/pch_can.c

···
 			cf->data[i + 1] = data_reg >> 8;
 		}
 
-		netif_receive_skb(skb);
 		rcv_pkts++;
 		stats->rx_packets++;
 		quota--;
 		stats->rx_bytes += cf->len;
+		netif_receive_skb(skb);
 
 		pch_fifo_thresh(priv, obj_num);
 		obj_num++;

drivers/net/can/sja1000/ems_pcmcia.c

···
 			free_sja1000dev(dev);
 	}
 
-	err = request_irq(dev->irq, &ems_pcmcia_interrupt, IRQF_SHARED,
+	if (!card->channels) {
+		err = -ENODEV;
+		goto failure_cleanup;
+	}
+
+	err = request_irq(pdev->irq, &ems_pcmcia_interrupt, IRQF_SHARED,
 			  DRV_NAME, card);
 	if (!err)
 		return 0;

drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c

···
 
 #include "kvaser_usb.h"
 
-/* Forward declaration */
-static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg;
-
-#define CAN_USB_CLOCK			8000000
 #define MAX_USBCAN_NET_DEVICES		2
 
 /* Command header size */
···
 #define CMD_FLUSH_QUEUE_REPLY		68
 
 #define CMD_LEAF_LOG_MESSAGE		106
+
+/* Leaf frequency options */
+#define KVASER_USB_LEAF_SWOPTION_FREQ_MASK 0x60
+#define KVASER_USB_LEAF_SWOPTION_FREQ_16_MHZ_CLK 0
+#define KVASER_USB_LEAF_SWOPTION_FREQ_32_MHZ_CLK BIT(5)
+#define KVASER_USB_LEAF_SWOPTION_FREQ_24_MHZ_CLK BIT(6)
 
 /* error factors */
 #define M16C_EF_ACKE			BIT(0)
···
 	};
 };
 
+static const struct can_bittiming_const kvaser_usb_leaf_bittiming_const = {
+	.name = "kvaser_usb",
+	.tseg1_min = KVASER_USB_TSEG1_MIN,
+	.tseg1_max = KVASER_USB_TSEG1_MAX,
+	.tseg2_min = KVASER_USB_TSEG2_MIN,
+	.tseg2_max = KVASER_USB_TSEG2_MAX,
+	.sjw_max = KVASER_USB_SJW_MAX,
+	.brp_min = KVASER_USB_BRP_MIN,
+	.brp_max = KVASER_USB_BRP_MAX,
+	.brp_inc = KVASER_USB_BRP_INC,
+};
+
+static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg_8mhz = {
+	.clock = {
+		.freq = 8000000,
+	},
+	.timestamp_freq = 1,
+	.bittiming_const = &kvaser_usb_leaf_bittiming_const,
+};
+
+static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg_16mhz = {
+	.clock = {
+		.freq = 16000000,
+	},
+	.timestamp_freq = 1,
+	.bittiming_const = &kvaser_usb_leaf_bittiming_const,
+};
+
+static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg_24mhz = {
+	.clock = {
+		.freq = 24000000,
+	},
+	.timestamp_freq = 1,
+	.bittiming_const = &kvaser_usb_leaf_bittiming_const,
+};
+
+static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg_32mhz = {
+	.clock = {
+		.freq = 32000000,
+	},
+	.timestamp_freq = 1,
+	.bittiming_const = &kvaser_usb_leaf_bittiming_const,
+};
+
 static void *
 kvaser_usb_leaf_frame_to_cmd(const struct kvaser_usb_net_priv *priv,
 			     const struct sk_buff *skb, int *frame_len,
···
 	return rc;
 }
 
+static void kvaser_usb_leaf_get_software_info_leaf(struct kvaser_usb *dev,
+						   const struct leaf_cmd_softinfo *softinfo)
+{
+	u32 sw_options = le32_to_cpu(softinfo->sw_options);
+
+	dev->fw_version = le32_to_cpu(softinfo->fw_version);
+	dev->max_tx_urbs = le16_to_cpu(softinfo->max_outstanding_tx);
+
+	switch (sw_options & KVASER_USB_LEAF_SWOPTION_FREQ_MASK) {
+	case KVASER_USB_LEAF_SWOPTION_FREQ_16_MHZ_CLK:
+		dev->cfg = &kvaser_usb_leaf_dev_cfg_16mhz;
+		break;
+	case KVASER_USB_LEAF_SWOPTION_FREQ_24_MHZ_CLK:
+		dev->cfg = &kvaser_usb_leaf_dev_cfg_24mhz;
+		break;
+	case KVASER_USB_LEAF_SWOPTION_FREQ_32_MHZ_CLK:
+		dev->cfg = &kvaser_usb_leaf_dev_cfg_32mhz;
+		break;
+	}
+}
+
 static int kvaser_usb_leaf_get_software_info_inner(struct kvaser_usb *dev)
 {
 	struct kvaser_cmd cmd;
···
 
 	switch (dev->card_data.leaf.family) {
 	case KVASER_LEAF:
-		dev->fw_version = le32_to_cpu(cmd.u.leaf.softinfo.fw_version);
-		dev->max_tx_urbs =
-			le16_to_cpu(cmd.u.leaf.softinfo.max_outstanding_tx);
+		kvaser_usb_leaf_get_software_info_leaf(dev, &cmd.u.leaf.softinfo);
 		break;
 	case KVASER_USBCAN:
 		dev->fw_version = le32_to_cpu(cmd.u.usbcan.softinfo.fw_version);
 		dev->max_tx_urbs =
 			le16_to_cpu(cmd.u.usbcan.softinfo.max_outstanding_tx);
+		dev->cfg = &kvaser_usb_leaf_dev_cfg_8mhz;
 		break;
 	}
 
···
 {
 	struct kvaser_usb_dev_card_data *card_data = &dev->card_data;
 
-	dev->cfg = &kvaser_usb_leaf_dev_cfg;
 	card_data->ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
 
 	return 0;
 }
-
-static const struct can_bittiming_const kvaser_usb_leaf_bittiming_const = {
-	.name = "kvaser_usb",
-	.tseg1_min = KVASER_USB_TSEG1_MIN,
-	.tseg1_max = KVASER_USB_TSEG1_MAX,
-	.tseg2_min = KVASER_USB_TSEG2_MIN,
-	.tseg2_max = KVASER_USB_TSEG2_MAX,
-	.sjw_max = KVASER_USB_SJW_MAX,
-	.brp_min = KVASER_USB_BRP_MIN,
-	.brp_max = KVASER_USB_BRP_MAX,
-	.brp_inc = KVASER_USB_BRP_INC,
-};
 
 static int kvaser_usb_leaf_set_bittiming(struct net_device *netdev)
 {
···
 	.dev_flush_queue = kvaser_usb_leaf_flush_queue,
 	.dev_read_bulk_callback = kvaser_usb_leaf_read_bulk_callback,
 	.dev_frame_to_cmd = kvaser_usb_leaf_frame_to_cmd,
-};
-
-static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg = {
-	.clock = {
-		.freq = CAN_USB_CLOCK,
-	},
-	.timestamp_freq = 1,
-	.bittiming_const = &kvaser_usb_leaf_bittiming_const,
 };

drivers/net/dsa/mv88e6xxx/chip.c

···
 	u16 reg;
 	int err;
 
+	/* The 88e6250 family does not have the PHY detect bit. Instead,
+	 * report whether the port is internal.
+	 */
+	if (chip->info->family == MV88E6XXX_FAMILY_6250)
+		return port < chip->info->num_internal_phys;
+
 	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &reg);
 	if (err) {
 		dev_err(chip->dev,
···
 {
 	struct mv88e6xxx_chip *chip = ds->priv;
 	struct mv88e6xxx_port *p;
-	int err;
+	int err = 0;
 
 	p = &chip->ports[port];
 
-	/* FIXME: is this the correct test? If we're in fixed mode on an
-	 * internal port, why should we process this any different from
-	 * PHY mode? On the other hand, the port may be automedia between
-	 * an internal PHY and the serdes...
-	 */
-	if ((mode == MLO_AN_PHY) && mv88e6xxx_phy_is_internal(ds, port))
-		return;
-
 	mv88e6xxx_reg_lock(chip);
-	/* In inband mode, the link may come up at any time while the link
-	 * is not forced down. Force the link down while we reconfigure the
-	 * interface mode.
-	 */
-	if (mode == MLO_AN_INBAND && p->interface != state->interface &&
-	    chip->info->ops->port_set_link)
-		chip->info->ops->port_set_link(chip, port, LINK_FORCED_DOWN);
 
-	err = mv88e6xxx_port_config_interface(chip, port, state->interface);
-	if (err && err != -EOPNOTSUPP)
-		goto err_unlock;
+	if (mode != MLO_AN_PHY || !mv88e6xxx_phy_is_internal(ds, port)) {
+		/* In inband mode, the link may come up at any time while the
+		 * link is not forced down. Force the link down while we
+		 * reconfigure the interface mode.
+		 */
+		if (mode == MLO_AN_INBAND &&
+		    p->interface != state->interface &&
+		    chip->info->ops->port_set_link)
+			chip->info->ops->port_set_link(chip, port,
+						       LINK_FORCED_DOWN);
 
-	err = mv88e6xxx_serdes_pcs_config(chip, port, mode, state->interface,
-					  state->advertising);
-	/* FIXME: we should restart negotiation if something changed - which
-	 * is something we get if we convert to using phylinks PCS operations.
-	 */
-	if (err > 0)
-		err = 0;
+		err = mv88e6xxx_port_config_interface(chip, port,
+						      state->interface);
+		if (err && err != -EOPNOTSUPP)
+			goto err_unlock;
+
+		err = mv88e6xxx_serdes_pcs_config(chip, port, mode,
+						  state->interface,
+						  state->advertising);
+		/* FIXME: we should restart negotiation if something changed -
+		 * which is something we get if we convert to using phylinks
+		 * PCS operations.
+		 */
+		if (err > 0)
+			err = 0;
+	}
 
 	/* Undo the forced down state above after completing configuration
-	 * irrespective of its state on entry, which allows the link to come up.
+	 * irrespective of its state on entry, which allows the link to come
+	 * up in the in-band case where there is no separate SERDES. Also
+	 * ensure that the link can come up if the PPU is in use and we are
+	 * in PHY mode (we treat the PPU as an effective in-band mechanism.)
 	 */
-	if (mode == MLO_AN_INBAND && p->interface != state->interface &&
-	    chip->info->ops->port_set_link)
+	if (chip->info->ops->port_set_link &&
+	    ((mode == MLO_AN_INBAND && p->interface != state->interface) ||
+	     (mode == MLO_AN_PHY && mv88e6xxx_port_ppu_updates(chip, port))))
 		chip->info->ops->port_set_link(chip, port, LINK_UNFORCED);
 
 	p->interface = state->interface;
···
 	ops = chip->info->ops;
 
 	mv88e6xxx_reg_lock(chip);
-	/* Internal PHYs propagate their configuration directly to the MAC.
-	 * External PHYs depend on whether the PPU is enabled for this port.
+	/* Force the link down if we know the port may not be automatically
+	 * updated by the switch or if we are using fixed-link mode.
 	 */
-	if (((!mv88e6xxx_phy_is_internal(ds, port) &&
-	      !mv88e6xxx_port_ppu_updates(chip, port)) ||
+	if ((!mv88e6xxx_port_ppu_updates(chip, port) ||
 	     mode == MLO_AN_FIXED) && ops->port_sync_link)
 		err = ops->port_sync_link(chip, port, mode, false);
 	mv88e6xxx_reg_unlock(chip);
···
 	ops = chip->info->ops;
 
 	mv88e6xxx_reg_lock(chip);
-	/* Internal PHYs propagate their configuration directly to the MAC.
-	 * External PHYs depend on whether the PPU is enabled for this port.
+	/* Configure and force the link up if we know that the port may not
+	 * automatically updated by the switch or if we are using fixed-link
+	 * mode.
 	 */
-	if ((!mv88e6xxx_phy_is_internal(ds, port) &&
-	     !mv88e6xxx_port_ppu_updates(chip, port)) ||
+	if (!mv88e6xxx_port_ppu_updates(chip, port) ||
 	    mode == MLO_AN_FIXED) {
 		/* FIXME: for an automedia port, should we force the link
 		 * down here - what if the link comes up due to "other" media

drivers/net/dsa/mv88e6xxx/serdes.c

···
 			   bool up)
 {
 	u8 cmode = chip->ports[port].cmode;
-	int err = 0;
+	int err;
 
 	switch (cmode) {
 	case MV88E6XXX_PORT_STS_CMODE_SGMII:
···
 	case MV88E6XXX_PORT_STS_CMODE_XAUI:
 	case MV88E6XXX_PORT_STS_CMODE_RXAUI:
 		err = mv88e6390_serdes_power_10g(chip, lane, up);
+		break;
+	default:
+		err = -EINVAL;
 		break;
 	}
 
···
 	case MV88E6393X_PORT_STS_CMODE_5GBASER:
 	case MV88E6393X_PORT_STS_CMODE_10GBASER:
 		err = mv88e6390_serdes_power_10g(chip, lane, on);
+		break;
+	default:
+		err = -EINVAL;
 		break;
 	}
 

drivers/net/dsa/ocelot/felix.c

···
 		}
 	}
 
-	if (cpu < 0)
+	if (cpu < 0) {
+		kfree(tagging_rule);
+		kfree(redirect_rule);
 		return -EINVAL;
+	}
 
 	tagging_rule->key_type = OCELOT_VCAP_KEY_ETYPE;
 	*(__be16 *)tagging_rule->key.etype.etype.value = htons(ETH_P_1588);

drivers/net/ethernet/altera/altera_tse_main.c

···
 		priv->rxdescmem_busaddr = dma_res->start;
 
 	} else {
+		ret = -ENODEV;
 		goto err_free_netdev;
 	}
 
-	if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask)))
+	if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask))) {
 		dma_set_coherent_mask(priv->device,
 				      DMA_BIT_MASK(priv->dmaops->dmamask));
-	else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32)))
+	} else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32))) {
 		dma_set_coherent_mask(priv->device, DMA_BIT_MASK(32));
-	else
+	} else {
+		ret = -EIO;
 		goto err_free_netdev;
+	}
 
 	/* MAC address space */
 	ret = request_and_map(pdev, "control_port", &control_port,

drivers/net/ethernet/broadcom/bcm4908_enet.c

···
 
 	enet->irq_tx = platform_get_irq_byname(pdev, "tx");
 
-	dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
+	err = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
+	if (err)
+		return err;
 
 	err = bcm4908_enet_dma_alloc(enet);
 	if (err)

drivers/net/ethernet/freescale/fec.h

···
 #define FEC_ENET_WAKEUP	((uint)0x00020000)	/* Wakeup request */
 #define FEC_ENET_TXF	(FEC_ENET_TXF_0 | FEC_ENET_TXF_1 | FEC_ENET_TXF_2)
 #define FEC_ENET_RXF	(FEC_ENET_RXF_0 | FEC_ENET_RXF_1 | FEC_ENET_RXF_2)
+#define FEC_ENET_RXF_GET(X)	(((X) == 0) ? FEC_ENET_RXF_0 :	\
+				(((X) == 1) ? FEC_ENET_RXF_1 :	\
+				FEC_ENET_RXF_2))
 #define FEC_ENET_TS_AVAIL       ((uint)0x00010000)
 #define FEC_ENET_TS_TIMER       ((uint)0x00008000)
 

drivers/net/ethernet/freescale/fec_main.c

···
 			break;
 		pkt_received++;
 
-		writel(FEC_ENET_RXF, fep->hwp + FEC_IEVENT);
+		writel(FEC_ENET_RXF_GET(queue_id), fep->hwp + FEC_IEVENT);
 
 		/* Check for errors. */
 		status ^= BD_ENET_RX_LAST;

drivers/net/ethernet/google/gve/gve_utils.c

···
 		set_protocol = ctx->curr_frag_cnt == ctx->expected_frag_cnt - 1;
 	} else {
 		skb = napi_alloc_skb(napi, len);
+
+		if (unlikely(!skb))
+			return NULL;
 		set_protocol = true;
 	}
 	__skb_put(skb, len);

drivers/net/ethernet/huawei/hinic/hinic_sriov.c

···
 #include <linux/interrupt.h>
 #include <linux/etherdevice.h>
 #include <linux/netdevice.h>
+#include <linux/module.h>
 
 #include "hinic_hw_dev.h"
 #include "hinic_dev.h"

drivers/net/ethernet/intel/i40e/i40e_debugfs.c

···
 		dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid);
 		return;
 	}
+	if (vsi->type != I40E_VSI_MAIN &&
+	    vsi->type != I40E_VSI_FDIR &&
+	    vsi->type != I40E_VSI_VMDQ2) {
+		dev_info(&pf->pdev->dev,
+			 "vsi %d type %d descriptor rings not available\n",
+			 vsi_seid, vsi->type);
+		return;
+	}
 	if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) {
 		dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid);
 		return;

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

···
 }
 
 /**
+ * i40e_sync_vf_state
+ * @vf: pointer to the VF info
+ * @state: VF state
+ *
+ * Called from a VF message to synchronize the service with a potential
+ * VF reset state
+ **/
+static bool i40e_sync_vf_state(struct i40e_vf *vf, enum i40e_vf_states state)
+{
+	int i;
+
+	/* When handling some messages, it needs VF state to be set.
+	 * It is possible that this flag is cleared during VF reset,
+	 * so there is a need to wait until the end of the reset to
+	 * handle the request message correctly.
+	 */
+	for (i = 0; i < I40E_VF_STATE_WAIT_COUNT; i++) {
+		if (test_bit(state, &vf->vf_states))
+			return true;
+		usleep_range(10000, 20000);
+	}
+
+	return test_bit(state, &vf->vf_states);
+}
+
+/**
  * i40e_vc_get_version_msg
  * @vf: pointer to the VF info
  * @msg: pointer to the msg buffer
···
 	size_t len = 0;
 	int ret;
 
-	if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_INIT)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}
···
 	bool allmulti = false;
 	bool alluni = false;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err_out;
 	}
···
 	struct i40e_vsi *vsi;
 	u16 num_qps_all = 0;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto error_param;
 	}
···
 	i40e_status aq_ret = 0;
 	int i;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto error_param;
 	}
···
 	struct i40e_pf *pf = vf->pf;
 	i40e_status aq_ret = 0;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto error_param;
 	}
···
 	u8 cur_pairs = vf->num_queue_pairs;
 	struct i40e_pf *pf = vf->pf;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states))
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE))
 		return -EINVAL;
 
 	if (req_pairs > I40E_MAX_VF_QUEUES) {
···
 
 	memset(&stats, 0, sizeof(struct i40e_eth_stats));
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto error_param;
 	}
···
 	i40e_status ret = 0;
 	int i;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) ||
 	    !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) {
 		ret = I40E_ERR_PARAM;
 		goto error_param;
···
 	i40e_status ret = 0;
 	int i;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) ||
 	    !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) {
 		ret = I40E_ERR_PARAM;
 		goto error_param;
···
 	i40e_status aq_ret = 0;
 	int i;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) ||
 	    !i40e_vc_isvalid_vsi_id(vf, vfl->vsi_id)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto error_param;
···
 	struct i40e_vsi *vsi = NULL;
 	i40e_status aq_ret = 0;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) ||
 	    !i40e_vc_isvalid_vsi_id(vf, vrk->vsi_id) ||
-	    (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) {
+	    vrk->key_len != I40E_HKEY_ARRAY_SIZE) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}
···
 	i40e_status aq_ret = 0;
 	u16 i;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) ||
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) ||
 	    !i40e_vc_isvalid_vsi_id(vf, vrl->vsi_id) ||
-	    (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) {
+	    vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}
···
 	i40e_status aq_ret = 0;
 	int len = 0;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}
···
 	struct i40e_hw *hw = &pf->hw;
 	i40e_status aq_ret = 0;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}
···
 	i40e_status aq_ret = 0;
 	struct i40e_vsi *vsi;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}
···
 	i40e_status aq_ret = 0;
 	struct i40e_vsi *vsi;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}
···
 	i40e_status aq_ret = 0;
 	int i, ret;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}
···
 	i40e_status aq_ret = 0;
 	int i, ret;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err_out;
 	}
···
 	i40e_status aq_ret = 0;
 	u64 speed = 0;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}
···
 
 	/* set this flag only after making sure all inputs are sane */
 	vf->adq_enabled = true;
-	/* num_req_queues is set when user changes number of queues via ethtool
-	 * and this causes issue for default VSI(which depends on this variable)
-	 * when ADq is enabled, hence reset it.
-	 */
-	vf->num_req_queues = 0;
 
 	/* reset the VF in order to allocate resources */
 	i40e_vc_reset_vf(vf, true);
···
 	struct i40e_pf *pf = vf->pf;
 	i40e_status aq_ret = 0;
 
-	if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
+	if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) {
 		aq_ret = I40E_ERR_PARAM;
 		goto err;
 	}

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h

···
 
 #define I40E_MAX_VF_PROMISC_FLAGS	3
 
+#define I40E_VF_STATE_WAIT_COUNT	20
+
 /* Various queue ctrls */
 enum i40e_queue_ctrl {
 	I40E_QUEUE_CTRL_UNKNOWN = 0,

drivers/net/ethernet/intel/iavf/iavf_ethtool.c

···
 	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 		return -EINVAL;
 
-	new_tx_count = clamp_t(u32, ring->tx_pending,
-			       IAVF_MIN_TXD,
-			       IAVF_MAX_TXD);
-	new_tx_count = ALIGN(new_tx_count, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+	if (ring->tx_pending > IAVF_MAX_TXD ||
+	    ring->tx_pending < IAVF_MIN_TXD ||
+	    ring->rx_pending > IAVF_MAX_RXD ||
+	    ring->rx_pending < IAVF_MIN_RXD) {
+		netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
+			   ring->tx_pending, ring->rx_pending, IAVF_MIN_TXD,
+			   IAVF_MAX_RXD, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+		return -EINVAL;
+	}
 
-	new_rx_count = clamp_t(u32, ring->rx_pending,
-			       IAVF_MIN_RXD,
-			       IAVF_MAX_RXD);
-	new_rx_count = ALIGN(new_rx_count, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+	new_tx_count = ALIGN(ring->tx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+	if (new_tx_count != ring->tx_pending)
+		netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
+			    new_tx_count);
+
+	new_rx_count = ALIGN(ring->rx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+	if (new_rx_count != ring->rx_pending)
+		netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
+			    new_rx_count);
 
 	/* if nothing to do return success */
 	if ((new_tx_count == adapter->tx_desc_count) &&
-	    (new_rx_count == adapter->rx_desc_count))
+	    (new_rx_count == adapter->rx_desc_count)) {
+		netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
 		return 0;
+	}
 
-	adapter->tx_desc_count = new_tx_count;
-	adapter->rx_desc_count = new_rx_count;
+	if (new_tx_count != adapter->tx_desc_count) {
+		netdev_dbg(netdev, "Changing Tx descriptor count from %d to %d\n",
+			   adapter->tx_desc_count, new_tx_count);
+		adapter->tx_desc_count = new_tx_count;
+	}
+
+	if (new_rx_count != adapter->rx_desc_count) {
+		netdev_dbg(netdev, "Changing Rx descriptor count from %d to %d\n",
+			   adapter->rx_desc_count, new_rx_count);
+		adapter->rx_desc_count = new_rx_count;
+	}
 
 	if (netif_running(netdev)) {
 		adapter->flags |= IAVF_FLAG_RESET_NEEDED;

drivers/net/ethernet/intel/iavf/iavf_main.c

···
 	}
 
 	pci_set_master(adapter->pdev);
+	pci_restore_msi_state(adapter->pdev);
 
 	if (i == IAVF_RESET_WAIT_COMPLETE_COUNT) {
 		dev_err(&adapter->pdev->dev, "Reset never finished (%x)\n",

drivers/net/ethernet/intel/ice/ice_dcb_nl.c

···
 
 	new_cfg->etscfg.maxtcs = pf->hw.func_caps.common_cap.maxtc;
 
+	if (!bwcfg)
+		new_cfg->etscfg.tcbwtable[0] = 100;
+
 	if (!bwrec)
 		new_cfg->etsrec.tcbwtable[0] = 100;
 
···
 	if (mode == pf->dcbx_cap)
 		return ICE_DCB_NO_HW_CHG;
 
-	pf->dcbx_cap = mode;
 	qos_cfg = &pf->hw.port_info->qos_cfg;
-	if (mode & DCB_CAP_DCBX_VER_CEE) {
-		if (qos_cfg->local_dcbx_cfg.pfc_mode == ICE_QOS_MODE_DSCP)
-			return ICE_DCB_NO_HW_CHG;
+
+	/* DSCP configuration is not DCBx negotiated */
+	if (qos_cfg->local_dcbx_cfg.pfc_mode == ICE_QOS_MODE_DSCP)
+		return ICE_DCB_NO_HW_CHG;
+
+	pf->dcbx_cap = mode;
+
+	if (mode & DCB_CAP_DCBX_VER_CEE)
 		qos_cfg->local_dcbx_cfg.dcbx_mode = ICE_DCBX_MODE_CEE;
-	} else {
+	else
 		qos_cfg->local_dcbx_cfg.dcbx_mode = ICE_DCBX_MODE_IEEE;
-	}
 
 	dev_info(ice_pf_to_dev(pf), "DCBx mode = 0x%x\n", mode);
 	return ICE_DCB_HW_CHG_RST;

drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c

···
 		bool is_tun = tun == ICE_FD_HW_SEG_TUN;
 		int err;
 
-		if (is_tun && !ice_get_open_tunnel_port(&pf->hw, &port_num))
+		if (is_tun && !ice_get_open_tunnel_port(&pf->hw, &port_num, TNL_ALL))
 			continue;
 		err = ice_fdir_write_fltr(pf, input, add, is_tun);
 		if (err)
···
 	}
 
 	/* return error if not an update and no available filters */
-	fltrs_needed = ice_get_open_tunnel_port(hw, &tunnel_port) ? 2 : 1;
+	fltrs_needed = ice_get_open_tunnel_port(hw, &tunnel_port, TNL_ALL) ? 2 : 1;
 	if (!ice_fdir_find_fltr_by_idx(hw, fsp->location) &&
 	    ice_fdir_num_avail_fltr(hw, pf->vsi[vsi->idx]) < fltrs_needed) {
 		dev_err(dev, "Failed to add filter.  The maximum number of flow director filters has been reached.\n");

drivers/net/ethernet/intel/ice/ice_fdir.c

···
 		memcpy(pkt, ice_fdir_pkt[idx].pkt, ice_fdir_pkt[idx].pkt_len);
 		loc = pkt;
 	} else {
-		if (!ice_get_open_tunnel_port(hw, &tnl_port))
+		if (!ice_get_open_tunnel_port(hw, &tnl_port, TNL_ALL))
 			return ICE_ERR_DOES_NOT_EXIST;
 		if (!ice_fdir_pkt[idx].tun_pkt)
 			return ICE_ERR_PARAM;

drivers/net/ethernet/intel/ice/ice_flex_pipe.c

···
  * ice_get_open_tunnel_port - retrieve an open tunnel port
  * @hw: pointer to the HW structure
  * @port: returns open port
+ * @type: type of tunnel, can be TNL_LAST if it doesn't matter
  */
 bool
-ice_get_open_tunnel_port(struct ice_hw *hw, u16 *port)
+ice_get_open_tunnel_port(struct ice_hw *hw, u16 *port,
+			 enum ice_tunnel_type type)
 {
 	bool res = false;
 	u16 i;
···
 	mutex_lock(&hw->tnl_lock);
 
 	for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
-		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].port) {
+		if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].port &&
+		    (type == TNL_LAST || type == hw->tnl.tbl[i].type)) {
 			*port = hw->tnl.tbl[i].port;
 			res = true;
 			break;

drivers/net/ethernet/intel/ice/ice_flex_pipe.h

···
 ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt,
 		   unsigned long *bm, struct list_head *fv_list);
 bool
-ice_get_open_tunnel_port(struct ice_hw *hw, u16 *port);
+ice_get_open_tunnel_port(struct ice_hw *hw, u16 *port,
+			 enum ice_tunnel_type type);
 int ice_udp_tunnel_set_port(struct net_device *netdev, unsigned int table,
 			    unsigned int idx, struct udp_tunnel_info *ti);
 int ice_udp_tunnel_unset_port(struct net_device *netdev, unsigned int table,

drivers/net/ethernet/intel/ice/ice_main.c

···
 		netif_carrier_on(vsi->netdev);
 	}
 
+	/* clear this now, and the first stats read will be used as baseline */
+	vsi->stat_offsets_loaded = false;
+
 	ice_service_task_schedule(pf);
 
 	return 0;
···
 /**
  * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters
  * @vsi: the VSI to be updated
+ * @vsi_stats: the stats struct to be updated
  * @rings: rings to work on
  * @count: number of rings
  */
 static void
-ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, struct ice_tx_ring **rings,
-			     u16 count)
+ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi,
+			     struct rtnl_link_stats64 *vsi_stats,
+			     struct ice_tx_ring **rings, u16 count)
 {
-	struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats;
 	u16 i;
 
 	for (i = 0; i < count; i++) {
···
  */
 static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
 {
-	struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats;
+	struct rtnl_link_stats64 *vsi_stats;
 	u64 pkts, bytes;
 	int i;
 
-	/* reset netdev stats */
-	vsi_stats->tx_packets = 0;
-	vsi_stats->tx_bytes = 0;
-	vsi_stats->rx_packets = 0;
-	vsi_stats->rx_bytes = 0;
+	vsi_stats = kzalloc(sizeof(*vsi_stats), GFP_ATOMIC);
+	if (!vsi_stats)
+		return;
 
 	/* reset non-netdev (extended) stats */
 	vsi->tx_restart = 0;
···
 	rcu_read_lock();
 
 	/* update Tx rings counters */
-	ice_update_vsi_tx_ring_stats(vsi, vsi->tx_rings, vsi->num_txq);
+	ice_update_vsi_tx_ring_stats(vsi, vsi_stats, vsi->tx_rings,
+				     vsi->num_txq);
 
 	/* update Rx rings counters */
 	ice_for_each_rxq(vsi, i) {
···
 
 	/* update XDP Tx rings counters */
 	if (ice_is_xdp_ena_vsi(vsi))
-		ice_update_vsi_tx_ring_stats(vsi, vsi->xdp_rings,
+		ice_update_vsi_tx_ring_stats(vsi, vsi_stats, vsi->xdp_rings,
 					     vsi->num_xdp_txq);
 
 	rcu_read_unlock();
+
+	vsi->net_stats.tx_packets = vsi_stats->tx_packets;
+	vsi->net_stats.tx_bytes = vsi_stats->tx_bytes;
+	vsi->net_stats.rx_packets = vsi_stats->rx_packets;
+	vsi->net_stats.rx_bytes = vsi_stats->rx_bytes;
+
+	kfree(vsi_stats);
 }
 
 /**

drivers/net/ethernet/intel/ice/ice_switch.c

···
  * ice_find_recp - find a recipe
  * @hw: pointer to the hardware structure
  * @lkup_exts: extension sequence to match
+ * @tun_type: type of recipe tunnel
  *
  * Returns index of matching recipe, or ICE_MAX_NUM_RECIPES if not found.
  */
-static u16 ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts)
+static u16
+ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts,
+	      enum ice_sw_tunnel_type tun_type)
 {
 	bool refresh_required = true;
 	struct ice_sw_recipe *recp;
···
 			}
 			/* If for "i"th recipe the found was never set to false
 			 * then it means we found our match
+			 * Also tun type of recipe needs to be checked
 			 */
-			if (found)
+			if (found && recp[i].tun_type == tun_type)
 				return i; /* Return the recipe ID */
 		}
 	}
···
 	}
 
 	/* Look for a recipe which matches our requested fv / mask list */
-	*rid = ice_find_recp(hw, lkup_exts);
+	*rid = ice_find_recp(hw, lkup_exts, rinfo->tun_type);
 	if (*rid < ICE_MAX_NUM_RECIPES)
 		/* Success if found a recipe that match the existing criteria */
 		goto err_unroll;
 
+	rm->tun_type = rinfo->tun_type;
 	/* Recipe we need does not exist, add a recipe */
 	status = ice_add_sw_recipe(hw, rm, profiles);
 	if (status)
···
 
 	switch (tun_type) {
 	case ICE_SW_TUN_VXLAN:
-	case ICE_SW_TUN_GENEVE:
-		if (!ice_get_open_tunnel_port(hw, &open_port))
+		if (!ice_get_open_tunnel_port(hw, &open_port, TNL_VXLAN))
 			return ICE_ERR_CFG;
 		break;
-
+	case ICE_SW_TUN_GENEVE:
+		if (!ice_get_open_tunnel_port(hw, &open_port, TNL_GENEVE))
+			return ICE_ERR_CFG;
+		break;
 	default:
 		/* Nothing needs to be done for this tunnel type */
 		return 0;
···
 	if (status)
 		return status;
 
-	rid = ice_find_recp(hw, &lkup_exts);
+	rid = ice_find_recp(hw, &lkup_exts, rinfo->tun_type);
 	/* If did not find a recipe that match the existing criteria */
 	if (rid == ICE_MAX_NUM_RECIPES)
 		return ICE_ERR_PARAM;

drivers/net/ethernet/intel/ice/ice_tc_lib.c

···
 	return inner ? ICE_IPV6_IL : ICE_IPV6_OFOS;
 }
 
-static enum ice_protocol_type
-ice_proto_type_from_l4_port(bool inner, u16 ip_proto)
+static enum ice_protocol_type ice_proto_type_from_l4_port(u16 ip_proto)
 {
-	if (inner) {
-		switch (ip_proto) {
-		case IPPROTO_UDP:
-			return ICE_UDP_ILOS;
-		}
-	} else {
-		switch (ip_proto) {
-		case IPPROTO_TCP:
-			return ICE_TCP_IL;
-		case IPPROTO_UDP:
-			return ICE_UDP_OF;
-		}
+	switch (ip_proto) {
+	case IPPROTO_TCP:
+		return ICE_TCP_IL;
+	case IPPROTO_UDP:
+		return ICE_UDP_ILOS;
 	}
 
 	return 0;
···
 		i++;
 	}
 
-	if (flags & ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT) {
-		list[i].type = ice_proto_type_from_l4_port(false, hdr->l3_key.ip_proto);
+	if ((flags & ICE_TC_FLWR_FIELD_ENC_DEST_L4_PORT) &&
+	    hdr->l3_key.ip_proto == IPPROTO_UDP) {
+		list[i].type = ICE_UDP_OF;
 		list[i].h_u.l4_hdr.dst_port = hdr->l4_key.dst_port;
 		list[i].m_u.l4_hdr.dst_port = hdr->l4_mask.dst_port;
 		i++;
···
 		     ICE_TC_FLWR_FIELD_SRC_L4_PORT)) {
 		struct ice_tc_l4_hdr *l4_key, *l4_mask;
 
-		list[i].type = ice_proto_type_from_l4_port(inner, headers->l3_key.ip_proto);
+		list[i].type = ice_proto_type_from_l4_port(headers->l3_key.ip_proto);
 		l4_key = &headers->l4_key;
 		l4_mask = &headers->l4_mask;
 
···
 		headers->l3_mask.ttl = match.mask->ttl;
 	}
 
-	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_PORTS)) {
+	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_PORTS) &&
+	    fltr->tunnel_type != TNL_VXLAN && fltr->tunnel_type != TNL_GENEVE) {
 		struct flow_match_ports match;
 
 		flow_rule_match_enc_ports(rule, &match);

drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c

···
 		ice_vc_set_default_allowlist(vf);
 
 		ice_vf_fdir_exit(vf);
+		ice_vf_fdir_init(vf);
 		/* clean VF control VSI when resetting VFs since it should be
 		 * setup only when VF creates its first FDIR rule.
 		 */
···
 	}
 
 	ice_vf_fdir_exit(vf);
+	ice_vf_fdir_init(vf);
 	/* clean VF control VSI when resetting VF since it should be setup
 	 * only when VF creates its first FDIR rule.
 	 */
···
 	ret = ice_eswitch_configure(pf);
 	if (ret)
 		goto err_unroll_sriov;
+
+	/* rearm global interrupts */
+	if (test_and_clear_bit(ICE_OICR_INTR_DIS, pf->state))
+		ice_irq_dynamic_ena(hw, NULL, NULL);
 
 	return 0;
 

drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c

···
 	mvpp2_rxq_status_update(port, rxq->id, 0, rxq->size);
 
 	if (priv->percpu_pools) {
-		err = xdp_rxq_info_reg(&rxq->xdp_rxq_short, port->dev, rxq->id, 0);
+		err = xdp_rxq_info_reg(&rxq->xdp_rxq_short, port->dev, rxq->logic_rxq, 0);
 		if (err < 0)
 			goto err_free_dma;
 
-		err = xdp_rxq_info_reg(&rxq->xdp_rxq_long, port->dev, rxq->id, 0);
+		err = xdp_rxq_info_reg(&rxq->xdp_rxq_long, port->dev, rxq->logic_rxq, 0);
 		if (err < 0)
 			goto err_unregister_rxq_short;
 

drivers/net/ethernet/marvell/octeontx2/nic/otx2_ptp.c

···
  *
  */
 
+#include <linux/module.h>
+
 #include "otx2_common.h"
 #include "otx2_ptp.h"
 

drivers/net/ethernet/microsoft/mana/hw_channel.c

···
 	if (err)
 		goto out;
 
-	err = mana_hwc_alloc_dma_buf(hwc, q_depth, max_msg_size,
-				     &hwc_wq->msg_buf);
-	if (err)
-		goto out;
-
 	hwc_wq->hwc = hwc;
 	hwc_wq->gdma_wq = queue;
 	hwc_wq->queue_depth = q_depth;
 	hwc_wq->hwc_cq = hwc_cq;
+
+	err = mana_hwc_alloc_dma_buf(hwc, q_depth, max_msg_size,
+				     &hwc_wq->msg_buf);
+	if (err)
+		goto out;
 
 	*hwc_wq_ptr = hwc_wq;
 	return 0;

drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c

···
 		return -ENOMEM;
 
 	cache = kzalloc(sizeof(*cache), GFP_KERNEL);
-	if (!cache)
+	if (!cache) {
+		nfp_cpp_area_free(area);
 		return -ENOMEM;
+	}
 
 	cache->id = 0;
 	cache->addr = 0;

drivers/net/ethernet/qlogic/qede/qede_fp.c

···
 			data_split = true;
 		}
 	} else {
+		if (unlikely(skb->len > ETH_TX_MAX_NON_LSO_PKT_LEN)) {
+			DP_ERR(edev, "Unexpected non LSO skb length = 0x%x\n", skb->len);
+			qede_free_failed_tx_pkt(txq, first_bd, 0, false);
+			qede_update_tx_producer(txq);
+			return NETDEV_TX_OK;
+		}
+
 		val |= ((skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK) <<
 			 ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT);
 	}

drivers/net/ethernet/qlogic/qla3xxx.c

···
 
 	spin_lock_irqsave(&qdev->hw_lock, hw_flags);
 
-	err = ql_wait_for_drvr_lock(qdev);
-	if (err) {
-		err = ql_adapter_initialize(qdev);
-		if (err) {
-			netdev_err(ndev, "Unable to initialize adapter\n");
-			goto err_init;
-		}
-		netdev_err(ndev, "Releasing driver lock\n");
-		ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
-	} else {
+	if (!ql_wait_for_drvr_lock(qdev)) {
 		netdev_err(ndev, "Could not acquire driver lock\n");
+		err = -ENODEV;
 		goto err_lock;
 	}
+
+	err = ql_adapter_initialize(qdev);
+	if (err) {
+		netdev_err(ndev, "Unable to initialize adapter\n");
+		goto err_init;
+	}
+	ql_sem_unlock(qdev, QL_DRVR_SEM_MASK);
 
 	spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
 

drivers/net/phy/phylink.c

···
  * @mac_wol: true if the MAC needs to receive packets for Wake-on-Lan
  *
  * Handle a network device suspend event. There are several cases:
+ *
  * - If Wake-on-Lan is not active, we can bring down the link between
  *   the MAC and PHY by calling phylink_stop().
  * - If Wake-on-Lan is active, and being handled only by the PHY, we

drivers/net/usb/cdc_ncm.c

···
 		min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth32);
 
 	max = min_t(u32, CDC_NCM_NTB_MAX_SIZE_TX, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize));
+	if (max == 0)
+		max = CDC_NCM_NTB_MAX_SIZE_TX; /* dwNtbOutMaxSize not set */
 
 	/* some devices set dwNtbOutMaxSize too low for the above default */
 	min = min(min, max);

drivers/net/vmxnet3/vmxnet3_drv.c

···
 
 #ifdef CONFIG_PCI_MSI
 	if (adapter->intr.type == VMXNET3_IT_MSIX) {
-		int i, nvec;
+		int i, nvec, nvec_allocated;
 
 		nvec  = adapter->share_intr == VMXNET3_INTR_TXSHARE ?
 			1 : adapter->num_tx_queues;
···
 		for (i = 0; i < nvec; i++)
 			adapter->intr.msix_entries[i].entry = i;
 
-		nvec = vmxnet3_acquire_msix_vectors(adapter, nvec);
-		if (nvec < 0)
+		nvec_allocated = vmxnet3_acquire_msix_vectors(adapter, nvec);
+		if (nvec_allocated < 0)
 			goto msix_err;
 
 		/* If we cannot allocate one MSIx vector per queue
 		 * then limit the number of rx queues to 1
 		 */
-		if (nvec == VMXNET3_LINUX_MIN_MSIX_VECT) {
+		if (nvec_allocated == VMXNET3_LINUX_MIN_MSIX_VECT &&
+		    nvec != VMXNET3_LINUX_MIN_MSIX_VECT) {
 			if (adapter->share_intr != VMXNET3_INTR_BUDDYSHARE
 			    || adapter->num_rx_queues != 1) {
 				adapter->share_intr = VMXNET3_INTR_TXSHARE;
···
 			}
 		}
 
-		adapter->intr.num_intrs = nvec;
+		adapter->intr.num_intrs = nvec_allocated;
 		return;
 
 msix_err:
 		/* If we cannot allocate MSIx vectors use only one rx queue */
 		dev_info(&adapter->pdev->dev,
 			 "Failed to enable MSI-X, error %d. "
-			 "Limiting #rx queues to 1, try MSI.\n", nvec);
+			 "Limiting #rx queues to 1, try MSI.\n", nvec_allocated);
 
 		adapter->intr.type = VMXNET3_IT_MSI;
 	}

drivers/net/vrf.c

···
 
 	skb->dev = vrf_dev;
 
-	vrf_nf_set_untracked(skb);
-
 	err = nf_hook(NFPROTO_IPV6, NF_INET_LOCAL_OUT, net, sk,
 		      skb, NULL, vrf_dev, vrf_ip6_out_direct_finish);
 
···
 	/* don't divert link scope packets */
 	if (rt6_need_strict(&ipv6_hdr(skb)->daddr))
 		return skb;
+
+	vrf_nf_set_untracked(skb);
 
 	if (qdisc_tx_is_default(vrf_dev) ||
 	    IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED)
···
 
 	skb->dev = vrf_dev;
 
-	vrf_nf_set_untracked(skb);
-
 	err = nf_hook(NFPROTO_IPV4, NF_INET_LOCAL_OUT, net, sk,
 		      skb, NULL, vrf_dev, vrf_ip_out_direct_finish);
 
···
 	if (ipv4_is_multicast(ip_hdr(skb)->daddr) ||
 	    ipv4_is_lbcast(ip_hdr(skb)->daddr))
 		return skb;
+
+	vrf_nf_set_untracked(skb);
 
 	if (qdisc_tx_is_default(vrf_dev) ||
 	    IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED)

drivers/net/wireless/ath/ath11k/mhi.c

···
 		ret = mhi_pm_suspend(ab_pci->mhi_ctrl);
 		break;
 	case ATH11K_MHI_RESUME:
-		ret = mhi_pm_resume(ab_pci->mhi_ctrl);
+		/* Do force MHI resume as some devices like QCA6390, WCN6855
+		 * are not in M3 state but they are functional. So just ignore
+		 * the MHI state while resuming.
+		 */
+		ret = mhi_pm_resume_force(ab_pci->mhi_ctrl);
 		break;
 	case ATH11K_MHI_TRIGGER_RDDM:
 		ret = mhi_force_rddm_mode(ab_pci->mhi_ctrl);

drivers/net/wwan/iosm/iosm_ipc_imem.c

···
 bool ipc_imem_ul_write_td(struct iosm_imem *ipc_imem)
 {
 	struct ipc_mem_channel *channel;
+	bool hpda_ctrl_pending = false;
 	struct sk_buff_head *ul_list;
 	bool hpda_pending = false;
-	bool forced_hpdu = false;
 	struct ipc_pipe *pipe;
 	int i;
 
···
 		ul_list = &channel->ul_list;
 
 		/* Fill the transfer descriptor with the uplink buffer info. */
-		hpda_pending |= ipc_protocol_ul_td_send(ipc_imem->ipc_protocol,
+		if (!ipc_imem_check_wwan_ips(channel)) {
+			hpda_ctrl_pending |=
+				ipc_protocol_ul_td_send(ipc_imem->ipc_protocol,
 							pipe, ul_list);
-
-		/* forced HP update needed for non data channels */
-		if (hpda_pending && !ipc_imem_check_wwan_ips(channel))
-			forced_hpdu = true;
+		} else {
+			hpda_pending |=
+				ipc_protocol_ul_td_send(ipc_imem->ipc_protocol,
+							pipe, ul_list);
+		}
 	}
 
-	if (forced_hpdu) {
+	/* forced HP update needed for non data channels */
+	if (hpda_ctrl_pending) {
 		hpda_pending = false;
 		ipc_protocol_doorbell_trigger(ipc_imem->ipc_protocol,
 					      IPC_HP_UL_WRITE_TD);
···
 			"Modem link down. Exit run state worker.");
 		return;
 	}
+
+	if (test_and_clear_bit(IOSM_DEVLINK_INIT, &ipc_imem->flag))
+		ipc_devlink_deinit(ipc_imem->ipc_devlink);
 
 	if (!ipc_imem_setup_cp_mux_cap_init(ipc_imem, &mux_cfg))
 		ipc_imem->mux = ipc_mux_init(&mux_cfg, ipc_imem);
···
 		ipc_port_deinit(ipc_imem->ipc_port);
 	}
 
-	if (ipc_imem->ipc_devlink)
+	if (test_and_clear_bit(IOSM_DEVLINK_INIT, &ipc_imem->flag))
 		ipc_devlink_deinit(ipc_imem->ipc_devlink);
 
 	ipc_imem_device_ipc_uninit(ipc_imem);
···
 
 	ipc_imem->pci_device_id = device_id;
 
-	ipc_imem->ev_cdev_write_pending = false;
 	ipc_imem->cp_version = 0;
 	ipc_imem->device_sleep = IPC_HOST_SLEEP_ENTER_SLEEP;
 
···
 
 		if (ipc_flash_link_establish(ipc_imem))
 			goto devlink_channel_fail;
+
+		set_bit(IOSM_DEVLINK_INIT, &ipc_imem->flag);
 	}
 	return ipc_imem;
 devlink_channel_fail:

drivers/net/wwan/iosm/iosm_ipc_imem.h

···
 #define IOSM_CHIP_INFO_SIZE_MAX 100
 
 #define FULLY_FUNCTIONAL 0
+#define IOSM_DEVLINK_INIT 1
 
 /* List of the supported UL/DL pipes. */
 enum ipc_mem_pipes {
···
  *				process the irq actions.
  * @flag:			Flag to monitor the state of driver
  * @td_update_timer_suspended:	if true then td update timer suspend
- * @ev_cdev_write_pending:	0 means inform the IPC tasklet to pass
- *				the accumulated uplink buffers to CP.
  * @ev_mux_net_transmit_pending:0 means inform the IPC tasklet to pass
  * @reset_det_n:		Reset detect flag
  * @pcie_wake_n:		Pcie wake flag
···
 	u8 ev_irq_pending[IPC_IRQ_VECTORS];
 	unsigned long flag;
 	u8 td_update_timer_suspended:1,
-	   ev_cdev_write_pending:1,
 	   ev_mux_net_transmit_pending:1,
 	   reset_det_n:1,
 	   pcie_wake_n:1;

drivers/net/wwan/iosm/iosm_ipc_imem_ops.c

···
 static int ipc_imem_tq_cdev_write(struct iosm_imem *ipc_imem, int arg,
 				  void *msg, size_t size)
 {
-	ipc_imem->ev_cdev_write_pending = false;
 	ipc_imem_ul_send(ipc_imem);
 
 	return 0;
···
 /* Through tasklet to do sio write. */
 static int ipc_imem_call_cdev_write(struct iosm_imem *ipc_imem)
 {
-	if (ipc_imem->ev_cdev_write_pending)
-		return -1;
-
-	ipc_imem->ev_cdev_write_pending = true;
-
 	return ipc_task_queue_send_task(ipc_imem, ipc_imem_tq_cdev_write, 0,
 					NULL, 0, false);
 }
···
 	/* Release the pipe resources */
 	ipc_imem_pipe_cleanup(ipc_imem, &channel->ul_pipe);
 	ipc_imem_pipe_cleanup(ipc_imem, &channel->dl_pipe);
+	ipc_imem->nr_of_channels--;
 }
 
 void ipc_imem_sys_devlink_notify_rx(struct iosm_devlink *ipc_devlink,

drivers/nvme/host/core.c

···
 		struct request *rq)
 {
 	if (ctrl->state != NVME_CTRL_DELETING_NOIO &&
+	    ctrl->state != NVME_CTRL_DELETING &&
 	    ctrl->state != NVME_CTRL_DEAD &&
 	    !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) &&
 	    !blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH))
···
 		 */
 		if (WARN_ON_ONCE(!(id->flbas & NVME_NS_FLBAS_META_EXT)))
 			return -EINVAL;
-		if (ctrl->max_integrity_segments)
-			ns->features |=
-				(NVME_NS_METADATA_SUPPORTED | NVME_NS_EXT_LBAS);
+
+		ns->features |= NVME_NS_EXT_LBAS;
+
+		/*
+		 * The current fabrics transport drivers support namespace
+		 * metadata formats only if nvme_ns_has_pi() returns true.
+		 * Suppress support for all other formats so the namespace will
+		 * have a 0 capacity and not be usable through the block stack.
+		 *
+		 * Note, this check will need to be modified if any drivers
+		 * gain the ability to use other metadata formats.
+		 */
+		if (ctrl->max_integrity_segments && nvme_ns_has_pi(ns))
+			ns->features |= NVME_NS_METADATA_SUPPORTED;
 	} else {
 		/*
 		 * For PCIe controllers, we can't easily remap the separate
···
 
 		if (tmp->cntlid == ctrl->cntlid) {
 			dev_err(ctrl->device,
-				"Duplicate cntlid %u with %s, rejecting\n",
-				ctrl->cntlid, dev_name(tmp->device));
+				"Duplicate cntlid %u with %s, subsys %s, rejecting\n",
+				ctrl->cntlid, dev_name(tmp->device),
+				subsys->subnqn);
 			return false;
 		}
 

drivers/nvme/host/multipath.c

···
 	}
 	if (ana_log_size > ctrl->ana_log_size) {
 		nvme_mpath_stop(ctrl);
-		kfree(ctrl->ana_log_buf);
+		nvme_mpath_uninit(ctrl);
 		ctrl->ana_log_buf = kmalloc(ana_log_size, GFP_KERNEL);
 		if (!ctrl->ana_log_buf)
 			return -ENOMEM;
···
 {
 	kfree(ctrl->ana_log_buf);
 	ctrl->ana_log_buf = NULL;
+	ctrl->ana_log_size = 0;
 }

drivers/nvme/host/nvme.h

···
 		return true;
 	if (ctrl->ops->flags & NVME_F_FABRICS &&
 	    ctrl->state == NVME_CTRL_DELETING)
-		return true;
+		return queue_live;
 	return __nvme_check_ready(ctrl, rq, queue_live);
 }
 int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd,

drivers/nvme/host/zns.c

···
 	zone.len = ns->zsze;
 	zone.capacity = nvme_lba_to_sect(ns, le64_to_cpu(entry->zcap));
 	zone.start = nvme_lba_to_sect(ns, le64_to_cpu(entry->zslba));
-	zone.wp = nvme_lba_to_sect(ns, le64_to_cpu(entry->wp));
+	if (zone.cond == BLK_ZONE_COND_FULL)
+		zone.wp = zone.start + zone.len;
+	else
+		zone.wp = nvme_lba_to_sect(ns, le64_to_cpu(entry->wp));
 
 	return cb(&zone, idx, data);
 }

drivers/nvme/target/tcp.c

···
 	size_t data_len = le32_to_cpu(req->cmd->common.dptr.sgl.length);
 	int ret;
 
-	if (!nvme_is_write(cmd->req.cmd) ||
+	/*
+	 * This command has not been processed yet, hence we are trying to
+	 * figure out if there is still pending data left to receive. If
+	 * we don't, we can simply prepare for the next pdu and bail out,
+	 * otherwise we will need to prepare a buffer and receive the
+	 * stale data before continuing forward.
+	 */
+	if (!nvme_is_write(cmd->req.cmd) || !data_len ||
 	    data_len > cmd->req.port->inline_data_size) {
 		nvmet_prepare_receive_pdu(queue);
 		return;

drivers/of/irq.c

···
 }
 EXPORT_SYMBOL_GPL(of_irq_find_parent);
 
+/*
+ * These interrupt controllers abuse interrupt-map for unspeakable
+ * reasons and rely on the core code to *ignore* it (the drivers do
+ * their own parsing of the property).
+ *
+ * If you think of adding to the list for something *new*, think
+ * again. There is a high chance that you will be sent back to the
+ * drawing board.
+ */
+static const char * const of_irq_imap_abusers[] = {
+	"CBEA,platform-spider-pic",
+	"sti,platform-spider-pic",
+	"realtek,rtl-intc",
+	"fsl,ls1021a-extirq",
+	"fsl,ls1043a-extirq",
+	"fsl,ls1088a-extirq",
+	"renesas,rza1-irqc",
+	NULL,
+};
+
 /**
  * of_irq_parse_raw - Low level interrupt tree parsing
  * @addr:	address specifier (start of "reg" property of the device) in be32 format
···
 		/*
 		 * Now check if cursor is an interrupt-controller and
 		 * if it is then we are done, unless there is an
-		 * interrupt-map which takes precedence.
+		 * interrupt-map which takes precedence except on one
+		 * of these broken platforms that want to parse
+		 * interrupt-map themselves for $reason.
 		 */
 		bool intc = of_property_read_bool(ipar, "interrupt-controller");
 
 		imap = of_get_property(ipar, "interrupt-map", &imaplen);
-		if (imap == NULL && intc) {
+		if (intc &&
+		    (!imap || of_device_compatible_match(ipar, of_irq_imap_abusers))) {
 			pr_debug(" -> got it !\n");
 			return 0;
 		}

drivers/pci/controller/dwc/pci-exynos.c

···
 #include <linux/platform_device.h>
 #include <linux/phy/phy.h>
 #include <linux/regulator/consumer.h>
+#include <linux/module.h>
 
 #include "pcie-designware.h"
 

drivers/pci/controller/dwc/pcie-qcom-ep.c

···
 #include <linux/pm_domain.h>
 #include <linux/regmap.h>
 #include <linux/reset.h>
+#include <linux/module.h>
 
 #include "pcie-designware.h"
 

drivers/pci/controller/pci-aardvark.c

···
 #define PCIE_CORE_DEV_ID_REG					0x0
 #define PCIE_CORE_CMD_STATUS_REG				0x4
 #define PCIE_CORE_DEV_REV_REG					0x8
-#define PCIE_CORE_EXP_ROM_BAR_REG				0x30
 #define PCIE_CORE_PCIEXP_CAP					0xc0
 #define PCIE_CORE_ERR_CAPCTL_REG				0x118
 #define     PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX			BIT(5)
···
 		*value = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG);
 		return PCI_BRIDGE_EMUL_HANDLED;
 
-	case PCI_ROM_ADDRESS1:
-		*value = advk_readl(pcie, PCIE_CORE_EXP_ROM_BAR_REG);
-		return PCI_BRIDGE_EMUL_HANDLED;
-
 	case PCI_INTERRUPT_LINE: {
 		/*
 		 * From the whole 32bit register we support reading from HW only
···
 	switch (reg) {
 	case PCI_COMMAND:
 		advk_writel(pcie, new, PCIE_CORE_CMD_STATUS_REG);
-		break;
-
-	case PCI_ROM_ADDRESS1:
-		advk_writel(pcie, new, PCIE_CORE_EXP_ROM_BAR_REG);
 		break;
 
 	case PCI_INTERRUPT_LINE:

drivers/pci/controller/pcie-apple.c

···
 	int ret, i;
 
 	reset = gpiod_get_from_of_node(np, "reset-gpios", 0,
-				       GPIOD_OUT_LOW, "#PERST");
+				       GPIOD_OUT_LOW, "PERST#");
 	if (IS_ERR(reset))
 		return PTR_ERR(reset);
 
···
 
 	rmw_set(PORT_APPCLK_EN, port->base + PORT_APPCLK);
 
+	/* Assert PERST# before setting up the clock */
+	gpiod_set_value(reset, 1);
+
 	ret = apple_pcie_setup_refclk(pcie, port);
 	if (ret < 0)
 		return ret;
 
+	/* The minimal Tperst-clk value is 100us (PCIe CEM r5.0, 2.9.2) */
+	usleep_range(100, 200);
+
+	/* Deassert PERST# */
 	rmw_set(PORT_PERST_OFF, port->base + PORT_PERST);
-	gpiod_set_value(reset, 1);
+	gpiod_set_value(reset, 0);
+
+	/* Wait for 100ms after PERST# deassertion (PCIe r5.0, 6.6.1) */
+	msleep(100);
 
 	ret = readl_relaxed_poll_timeout(port->base + PORT_STATUS, stat,
 					 stat & PORT_STATUS_READY, 100, 250000);

drivers/phy/hisilicon/phy-hi3670-pcie.c

···
 		return PTR_ERR(phy->sysctrl);
 
 	phy->pmctrl = syscon_regmap_lookup_by_compatible("hisilicon,hi3670-pmctrl");
-	if (IS_ERR(phy->sysctrl))
-		return PTR_ERR(phy->sysctrl);
+	if (IS_ERR(phy->pmctrl))
+		return PTR_ERR(phy->pmctrl);
 
 	/* clocks */
 	phy->phy_ref_clk = devm_clk_get(dev, "phy_ref");

drivers/phy/marvell/phy-mvebu-cp110-utmi.c

···
  * struct mvebu_cp110_utmi - PHY driver data
  *
  * @regs: PHY registers
- * @syscom: Regmap with system controller registers
+ * @syscon: Regmap with system controller registers
  * @dev: device driver handle
- * @caps: PHY capabilities
+ * @ops: phy ops
  */
 struct mvebu_cp110_utmi {
 	void __iomem *regs;

drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c

···
 };
 
 /**
- * Write register and read back masked value to confirm it is written
+ * usb_phy_write_readback() - Write register and read back masked value to
+ * confirm it is written
  *
- * @base - QCOM DWC3 PHY base virtual address.
- * @offset - register offset.
- * @mask - register bitmask specifying what should be updated
- * @val - value to write.
+ * @phy_dwc3: QCOM DWC3 phy context
+ * @offset: register offset.
+ * @mask: register bitmask specifying what should be updated
+ * @val: value to write.
  */
 static inline void usb_phy_write_readback(struct usb_phy *phy_dwc3,
 					  u32 offset,
···
 }
 
 /**
- * Write SSPHY register
+ * usb_ss_write_phycreg() - Write SSPHY register
  *
- * @base - QCOM DWC3 PHY base virtual address.
- * @addr - SSPHY address to write.
- * @val - value to write.
+ * @phy_dwc3: QCOM DWC3 phy context
+ * @addr: SSPHY address to write.
+ * @val: value to write.
  */
 static int usb_ss_write_phycreg(struct usb_phy *phy_dwc3,
 				u32 addr, u32 val)
···
 }
 
 /**
- * Read SSPHY register.
+ * usb_ss_read_phycreg() - Read SSPHY register.
  *
- * @base - QCOM DWC3 PHY base virtual address.
- * @addr - SSPHY address to read.
+ * @phy_dwc3: QCOM DWC3 phy context
+ * @addr: SSPHY address to read.
+ * @val: pointer in which read is store.
  */
 static int usb_ss_read_phycreg(struct usb_phy *phy_dwc3,
 			       u32 addr, u32 *val)

drivers/phy/qualcomm/phy-qcom-qmp.c

···
  * @qmp: QMP phy to which this lane belongs
  * @lane_rst: lane's reset controller
  * @mode: current PHY mode
+ * @dp_aux_cfg: Display port aux config
+ * @dp_opts: Display port optional config
+ * @dp_clks: Display port clocks
  */
 struct qmp_phy {
 	struct phy *phy;

drivers/phy/qualcomm/phy-qcom-usb-hsic.c

···
 // SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
  * Copyright (C) 2016 Linaro Ltd
  */
 #include <linux/module.h>

drivers/phy/st/phy-stm32-usbphyc.c

···
 	if (!of_property_read_bool(np, "st,no-lsfs-fb-cap"))
 		usbphyc_phy->tune |= LFSCAPEN;
 
-	if (of_property_read_bool(np, "st,slow-hs-slew-rate"))
+	if (of_property_read_bool(np, "st,decrease-hs-slew-rate"))
 		usbphyc_phy->tune |= HSDRVSLEW;
 
 	ret = of_property_read_u32(np, "st,tune-hs-dc-level", &val);

drivers/phy/ti/phy-am654-serdes.c

···
 // SPDX-License-Identifier: GPL-2.0
-/**
+/*
  * PCIe SERDES driver for AM654x SoC
  *
  * Copyright (C) 2018 - 2019 Texas Instruments Incorporated - http://www.ti.com/

drivers/phy/ti/phy-j721e-wiz.c

···
 // SPDX-License-Identifier: GPL-2.0
-/**
+/*
  * Wrapper driver for SERDES used in J721E
  *
  * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/

drivers/phy/ti/phy-omap-usb2.c

···
 }
 
 /**
- * omap_usb2_set_comparator - links the comparator present in the system with
- *	this phy
- * @comparator - the companion phy(comparator) for this phy
+ * omap_usb2_set_comparator() - links the comparator present in the system with this phy
+ *
+ * @comparator:  the companion phy(comparator) for this phy
  *
  * The phy companion driver should call this API passing the phy_companion
  * filled with set_vbus and start_srp to be used by usb phy.

drivers/phy/ti/phy-tusb1210.c

···
 // SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
  * tusb1210.c - TUSB1210 USB ULPI PHY driver
  *
  * Copyright (C) 2015 Intel Corporation

drivers/platform/x86/amd-pmc.c

···
 #define AMD_CPU_ID_CZN			AMD_CPU_ID_RN
 #define AMD_CPU_ID_YC			0x14B5
 
-#define PMC_MSG_DELAY_MIN_US		100
+#define PMC_MSG_DELAY_MIN_US		50
 #define RESPONSE_REGISTER_LOOP_MAX	20000
 
 #define SOC_SUBSYSTEM_IP_MAX	12

drivers/platform/x86/intel/hid.c

···
 			DMI_MATCH(DMI_PRODUCT_FAMILY, "ThinkPad X1 Tablet Gen 2"),
 		},
 	},
+	{
+		.ident = "Microsoft Surface Go 3",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Surface Go 3"),
+		},
+	},
 	{ }
 };
 

drivers/platform/x86/lg-laptop.c

···
 	if (product && strlen(product) > 4)
 		switch (product[4]) {
 		case '5':
+			if (strlen(product) > 5)
+				switch (product[5]) {
+				case 'N':
+					year = 2021;
+					break;
+				case '0':
+					year = 2016;
+					break;
+				default:
+					year = 2022;
+				}
+			break;
 		case '6':
 			year = 2016;
 			break;

drivers/platform/x86/thinkpad_acpi.c

···
 	&dev_attr_hotkey_all_mask.attr,
 	&dev_attr_hotkey_adaptive_all_mask.attr,
 	&dev_attr_hotkey_recommended_mask.attr,
+	&dev_attr_hotkey_tablet_mode.attr,
+	&dev_attr_hotkey_radio_sw.attr,
 #ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
 	&dev_attr_hotkey_source_mask.attr,
 	&dev_attr_hotkey_poll_freq.attr,
···
 	"tpacpi::standby",
 	"tpacpi::dock_status1",
 	"tpacpi::dock_status2",
-	"tpacpi::unknown_led2",
+	"tpacpi::lid_logo_dot",
 	"tpacpi::unknown_led3",
 	"tpacpi::thinkvantage",
 };
-#define TPACPI_SAFE_LEDS	0x1081U
+#define TPACPI_SAFE_LEDS	0x1481U
 
 static inline bool tpacpi_is_led_restricted(const unsigned int led)
 {

drivers/platform/x86/touchscreen_dmi.c

···
 	.properties = trekstor_primetab_t13b_props,
 };
 
+static const struct property_entry trekstor_surftab_duo_w1_props[] = {
+	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
+	{ }
+};
+
+static const struct ts_dmi_data trekstor_surftab_duo_w1_data = {
+	.acpi_name	= "GDIX1001:00",
+	.properties	= trekstor_surftab_duo_w1_props,
+};
+
 static const struct property_entry trekstor_surftab_twin_10_1_props[] = {
 	PROPERTY_ENTRY_U32("touchscreen-min-x", 20),
 	PROPERTY_ENTRY_U32("touchscreen-min-y", 0),
···
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Primetab T13B"),
+		},
+	},
+	{
+		/* TrekStor SurfTab duo W1 10.1 ST10432-10b */
+		.driver_data = (void *)&trekstor_surftab_duo_w1_data,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "TrekStor"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "SurfTab duo W1 10.1 (VT4)"),
 		},
 	},
 	{

drivers/scsi/pm8001/pm8001_init.c

···
 	if (rc) {
 		pm8001_dbg(pm8001_ha, FAIL,
 			   "pm8001_setup_irq failed [ret: %d]\n", rc);
-		goto err_out_shost;
+		goto err_out;
 	}
 	/* Request Interrupt */
 	rc = pm8001_request_irq(pm8001_ha);
 	if (rc)
-		goto err_out_shost;
+		goto err_out;
 
 	count = pm8001_ha->max_q_num;
 	/* Queues are chosen based on the number of cores/msix availability */
···
 	pm8001_tag_init(pm8001_ha);
 	return 0;
 
-err_out_shost:
-	scsi_remove_host(pm8001_ha->shost);
 err_out_nodev:
 	for (i = 0; i < pm8001_ha->max_memcnt; i++) {
 		if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) {

drivers/scsi/qedi/qedi_fw.c

···
 {
 	struct qedi_work_map *work, *work_tmp;
 	u32 proto_itt = cqe->itid;
-	itt_t protoitt = 0;
 	int found = 0;
 	struct qedi_cmd *qedi_cmd = NULL;
 	u32 iscsi_cid;
···
 	return;
 
 check_cleanup_reqs:
-	if (qedi_conn->cmd_cleanup_req > 0) {
-		QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_TID,
+	if (atomic_inc_return(&qedi_conn->cmd_cleanup_cmpl) ==
+	    qedi_conn->cmd_cleanup_req) {
+		QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
 			  "Freeing tid=0x%x for cid=0x%x\n",
 			  cqe->itid, qedi_conn->iscsi_conn_id);
-		qedi_conn->cmd_cleanup_cmpl++;
 		wake_up(&qedi_conn->wait_queue);
-	} else {
-		QEDI_ERR(&qedi->dbg_ctx,
-			 "Delayed or untracked cleanup response, itt=0x%x, tid=0x%x, cid=0x%x\n",
-			 protoitt, cqe->itid, qedi_conn->iscsi_conn_id);
 	}
 }
 
···
 	}
 
 	qedi_conn->cmd_cleanup_req = 0;
-	qedi_conn->cmd_cleanup_cmpl = 0;
+	atomic_set(&qedi_conn->cmd_cleanup_cmpl, 0);
 
 	QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
 		  "active_cmd_count=%d, cid=0x%x, in_recovery=%d, lun_reset=%d\n",
···
 		  qedi_conn->iscsi_conn_id);
 
 	rval  = wait_event_interruptible_timeout(qedi_conn->wait_queue,
-						 ((qedi_conn->cmd_cleanup_req ==
-						 qedi_conn->cmd_cleanup_cmpl) ||
-						 test_bit(QEDI_IN_RECOVERY,
-							  &qedi->flags)),
-						 5 * HZ);
+				(qedi_conn->cmd_cleanup_req ==
+				 atomic_read(&qedi_conn->cmd_cleanup_cmpl)) ||
+				test_bit(QEDI_IN_RECOVERY, &qedi->flags),
+				5 * HZ);
 	if (rval) {
 		QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
 			  "i/o cmd_cleanup_req=%d, equal to cmd_cleanup_cmpl=%d, cid=0x%x\n",
 			  qedi_conn->cmd_cleanup_req,
-			  qedi_conn->cmd_cleanup_cmpl,
+			  atomic_read(&qedi_conn->cmd_cleanup_cmpl),
 			  qedi_conn->iscsi_conn_id);
 
 		return 0;
···
 	QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_SCSI_TM,
 		  "i/o cmd_cleanup_req=%d, not equal to cmd_cleanup_cmpl=%d, cid=0x%x\n",
 		  qedi_conn->cmd_cleanup_req,
-		  qedi_conn->cmd_cleanup_cmpl,
+		  atomic_read(&qedi_conn->cmd_cleanup_cmpl),
 		  qedi_conn->iscsi_conn_id);
 
 	iscsi_host_for_each_session(qedi->shost,
···
 
 	/* Enable IOs for all other sessions except current.*/
 	if (!wait_event_interruptible_timeout(qedi_conn->wait_queue,
-					      (qedi_conn->cmd_cleanup_req ==
-					       qedi_conn->cmd_cleanup_cmpl) ||
-					       test_bit(QEDI_IN_RECOVERY,
-							&qedi->flags),
-					      5 * HZ)) {
+				(qedi_conn->cmd_cleanup_req ==
+				 atomic_read(&qedi_conn->cmd_cleanup_cmpl)) ||
+				test_bit(QEDI_IN_RECOVERY, &qedi->flags),
+				5 * HZ)) {
 		iscsi_host_for_each_session(qedi->shost,
 					    qedi_mark_device_available);
 		return -1;
···
 
 	qedi_ep = qedi_conn->ep;
 	qedi_conn->cmd_cleanup_req = 0;
-	qedi_conn->cmd_cleanup_cmpl = 0;
+	atomic_set(&qedi_conn->cmd_cleanup_cmpl, 0);
 
 	if (!qedi_ep) {
 		QEDI_WARN(&qedi->dbg_ctx,

drivers/scsi/qedi/qedi_iscsi.c

···
 	qedi_conn->iscsi_conn_id = qedi_ep->iscsi_cid;
 	qedi_conn->fw_cid = qedi_ep->fw_cid;
 	qedi_conn->cmd_cleanup_req = 0;
-	qedi_conn->cmd_cleanup_cmpl = 0;
+	atomic_set(&qedi_conn->cmd_cleanup_cmpl, 0);
 
 	if (qedi_bind_conn_to_iscsi_cid(qedi, qedi_conn)) {
 		rc = -EINVAL;

drivers/scsi/qedi/qedi_iscsi.h

···
 	spinlock_t list_lock;		/* internal conn lock */
 	u32 active_cmd_count;
 	u32 cmd_cleanup_req;
-	u32 cmd_cleanup_cmpl;
+	atomic_t cmd_cleanup_cmpl;
 
 	u32 iscsi_conn_id;
 	int itt;

drivers/scsi/qla2xxx/qla_dbg.c

···
 	struct va_format vaf;
 	char pbuf[64];
 
+	if (!ql_mask_match(level) && !trace_ql_dbg_log_enabled())
+		return;
+
 	va_start(va, fmt);
 
 	vaf.fmt = fmt;

drivers/scsi/scsi_debug.c

···
 	rep_max_zones = min((alloc_len - 64) >> ilog2(RZONES_DESC_HD),
 			    max_zones);
 
-	arr = kcalloc(RZONES_DESC_HD, alloc_len, GFP_ATOMIC);
+	arr = kzalloc(alloc_len, GFP_ATOMIC);
 	if (!arr) {
 		mk_sense_buffer(scp, ILLEGAL_REQUEST, INSUFF_RES_ASC,
 				INSUFF_RES_ASCQ);

drivers/thermal/intel/int340x_thermal/processor_thermal_rfim.c

···
 };
 
 static const struct mmio_reg tgl_fivr_mmio_regs[] = {
-	{ 0, 0x5A18, 3, 0x7, 12}, /* vco_ref_code_lo */
+	{ 0, 0x5A18, 3, 0x7, 11}, /* vco_ref_code_lo */
 	{ 0, 0x5A18, 8, 0xFF, 16}, /* vco_ref_code_hi */
 	{ 0, 0x5A08, 8, 0xFF, 0}, /* spread_spectrum_pct */
 	{ 0, 0x5A08, 1, 0x1, 8}, /* spread_spectrum_clk_enable */

drivers/usb/cdns3/host.c

···
  */
 
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 #include "core.h"
 #include "drd.h"
 #include "host-export.h"

drivers/usb/core/config.c

···
 	 * the USB-2 spec requires such endpoints to have wMaxPacketSize = 0
 	 * (see the end of section 5.6.3), so don't warn about them.
 	 */
-	maxp = usb_endpoint_maxp(&endpoint->desc);
+	maxp = le16_to_cpu(endpoint->desc.wMaxPacketSize);
 	if (maxp == 0 && !(usb_endpoint_xfer_isoc(d) && asnum == 0)) {
 		dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid wMaxPacketSize 0\n",
 		    cfgno, inum, asnum, d->bEndpointAddress);
···
 		maxpacket_maxes = full_speed_maxpacket_maxes;
 		break;
 	case USB_SPEED_HIGH:
-		/* Bits 12..11 are allowed only for HS periodic endpoints */
+		/* Multiple-transactions bits are allowed only for HS periodic endpoints */
 		if (usb_endpoint_xfer_int(d) || usb_endpoint_xfer_isoc(d)) {
-			i = maxp & (BIT(12) | BIT(11));
+			i = maxp & USB_EP_MAXP_MULT_MASK;
 			maxp &= ~i;
 		}
 		fallthrough;

drivers/usb/dwc3/dwc3-qcom.c

···
 	struct dwc3_qcom	*qcom = platform_get_drvdata(pdev);
 	struct device_node	*np = pdev->dev.of_node, *dwc3_np;
 	struct device		*dev = &pdev->dev;
-	struct property		*prop;
 	int			ret;
 
 	dwc3_np = of_get_compatible_child(np, "snps,dwc3");
 	if (!dwc3_np) {
 		dev_err(dev, "failed to find dwc3 core child\n");
 		return -ENODEV;
-	}
-
-	prop = devm_kzalloc(dev, sizeof(*prop), GFP_KERNEL);
-	if (!prop) {
-		ret = -ENOMEM;
-		dev_err(dev, "unable to allocate memory for property\n");
-		goto node_put;
-	}
-
-	prop->name = "tx-fifo-resize";
-	ret = of_add_property(dwc3_np, prop);
-	if (ret) {
-		dev_err(dev, "unable to add property\n");
-		goto node_put;
 	}
 
 	ret = of_platform_populate(np, NULL, NULL, dev);

drivers/usb/gadget/composite.c

···
 	struct usb_function		*f = NULL;
 	u8				endp;
 
+	if (w_length > USB_COMP_EP0_BUFSIZ) {
+		if (ctrl->bRequestType == USB_DIR_OUT) {
+			goto done;
+		} else {
+			/* Cast away the const, we are going to overwrite on purpose. */
+			__le16 *temp = (__le16 *)&ctrl->wLength;
+
+			*temp = cpu_to_le16(USB_COMP_EP0_BUFSIZ);
+			w_length = USB_COMP_EP0_BUFSIZ;
+		}
+	}
+
 	/* partial re-init of the response message; the function or the
 	 * gadget might need to intercept e.g. a control-OUT completion
 	 * when we delegate to it.
···
 	if (!cdev->req)
 		return -ENOMEM;
 
-	cdev->req->buf = kmalloc(USB_COMP_EP0_BUFSIZ, GFP_KERNEL);
+	cdev->req->buf = kzalloc(USB_COMP_EP0_BUFSIZ, GFP_KERNEL);
 	if (!cdev->req->buf)
 		goto fail;
 

drivers/usb/gadget/legacy/dbgp.c

···
 		goto fail_1;
 	}
 
-	req->buf = kmalloc(DBGP_REQ_LEN, GFP_KERNEL);
+	req->buf = kzalloc(DBGP_REQ_LEN, GFP_KERNEL);
 	if (!req->buf) {
 		err = -ENOMEM;
 		stp = 2;
···
 	int err = -EOPNOTSUPP;
 	void *data = NULL;
 	u16 len = 0;
+
+	if (length > DBGP_REQ_LEN) {
+		if (ctrl->bRequestType == USB_DIR_OUT) {
+			return err;
+		} else {
+			/* Cast away the const, we are going to overwrite on purpose. */
+			__le16 *temp = (__le16 *)&ctrl->wLength;
+
+			*temp = cpu_to_le16(DBGP_REQ_LEN);
+			length = DBGP_REQ_LEN;
+		}
+	}
+
 
 	if (request == USB_REQ_GET_DESCRIPTOR) {
 		switch (value>>8) {

drivers/usb/gadget/legacy/inode.c

···
 /* enough for the whole queue: most events invalidate others */
 #define	N_EVENT			5
 
+#define RBUF_SIZE		256
+
 struct dev_data {
 	spinlock_t			lock;
 	refcount_t			count;
···
 	struct dentry			*dentry;
 
 	/* except this scratch i/o buffer for ep0 */
-	u8				rbuf [256];
+	u8				rbuf[RBUF_SIZE];
 };
 
 static inline void get_dev (struct dev_data *data)
···
 	struct usb_gadgetfs_event	*event;
 	u16				w_value = le16_to_cpu(ctrl->wValue);
 	u16				w_length = le16_to_cpu(ctrl->wLength);
+
+	if (w_length > RBUF_SIZE) {
+		if (ctrl->bRequestType == USB_DIR_OUT) {
+			return value;
+		} else {
+			/* Cast away the const, we are going to overwrite on purpose. */
+			__le16 *temp = (__le16 *)&ctrl->wLength;
+
+			*temp = cpu_to_le16(RBUF_SIZE);
+			w_length = RBUF_SIZE;
+		}
+	}
 
 	spin_lock (&dev->lock);
 	dev->setup_abort = 0;

drivers/usb/host/xhci-hub.c

···
 			continue;
 
 		retval = xhci_disable_slot(xhci, i);
+		xhci_free_virt_device(xhci, i);
 		if (retval)
 			xhci_err(xhci, "Failed to disable slot %d, %d. Enter test mode anyway\n",
 				 i, retval);

drivers/usb/host/xhci-ring.c

···
 	if (xhci->quirks & XHCI_EP_LIMIT_QUIRK)
 		/* Delete default control endpoint resources */
 		xhci_free_device_endpoint_resources(xhci, virt_dev, true);
-	xhci_free_virt_device(xhci, slot_id);
 }
 
 static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id,

drivers/usb/host/xhci.c

···
 	struct xhci_slot_ctx *slot_ctx;
 	int i, ret;
 
-#ifndef CONFIG_USB_DEFAULT_PERSIST
 	/*
 	 * We called pm_runtime_get_noresume when the device was attached.
 	 * Decrement the counter here to allow controller to runtime suspend
···
 	 */
 	if (xhci->quirks & XHCI_RESET_ON_RESUME)
 		pm_runtime_put_noidle(hcd->self.controller);
-#endif
 
 	ret = xhci_check_args(hcd, udev, NULL, 0, true, __func__);
 	/* If the host is halted due to driver unload, we still need to free the
···
 		del_timer_sync(&virt_dev->eps[i].stop_cmd_timer);
 	}
 	virt_dev->udev = NULL;
-	ret = xhci_disable_slot(xhci, udev->slot_id);
-	if (ret)
-		xhci_free_virt_device(xhci, udev->slot_id);
+	xhci_disable_slot(xhci, udev->slot_id);
+	xhci_free_virt_device(xhci, udev->slot_id);
 }
 
 int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id)
···
 	u32 state;
 	int ret = 0;
 
-	command = xhci_alloc_command(xhci, false, GFP_KERNEL);
+	command = xhci_alloc_command(xhci, true, GFP_KERNEL);
 	if (!command)
 		return -ENOMEM;
 
···
 	}
 	xhci_ring_cmd_db(xhci);
 	spin_unlock_irqrestore(&xhci->lock, flags);
+
+	wait_for_completion(command->completion);
+
+	if (command->status != COMP_SUCCESS)
+		xhci_warn(xhci, "Unsuccessful disable slot %u command, status %d\n",
+			  slot_id, command->status);
+
+	xhci_free_command(xhci, command);
+
 	return ret;
 }
 
···
 
 	xhci_debugfs_create_slot(xhci, slot_id);
 
-#ifndef CONFIG_USB_DEFAULT_PERSIST
 	/*
 	 * If resetting upon resume, we can't put the controller into runtime
 	 * suspend if there is a device attached.
 	 */
 	if (xhci->quirks & XHCI_RESET_ON_RESUME)
 		pm_runtime_get_noresume(hcd->self.controller);
-#endif
 
 	/* Is this a LS or FS device under a HS hub? */
 	/* Hub or peripherial? */
 	return 1;
 
 disable_slot:
-	ret = xhci_disable_slot(xhci, udev->slot_id);
-	if (ret)
-		xhci_free_virt_device(xhci, udev->slot_id);
+	xhci_disable_slot(xhci, udev->slot_id);
+	xhci_free_virt_device(xhci, udev->slot_id);
 
 	return 0;
 }
···
 
 		mutex_unlock(&xhci->mutex);
 		ret = xhci_disable_slot(xhci, udev->slot_id);
+		xhci_free_virt_device(xhci, udev->slot_id);
 		if (!ret)
 			xhci_alloc_dev(hcd, udev);
 		kfree(command->completion);

fs/aio.c

···
 	struct file		*file;
 	struct wait_queue_head	*head;
 	__poll_t		events;
-	bool			done;
 	bool			cancelled;
+	bool			work_scheduled;
+	bool			work_need_resched;
 	struct wait_queue_entry	wait;
 	struct work_struct	work;
 };
···
 	iocb_put(iocb);
 }
 
+/*
+ * Safely lock the waitqueue which the request is on, synchronizing with the
+ * case where the ->poll() provider decides to free its waitqueue early.
+ *
+ * Returns true on success, meaning that req->head->lock was locked, req->wait
+ * is on req->head, and an RCU read lock was taken.  Returns false if the
+ * request was already removed from its waitqueue (which might no longer exist).
+ */
+static bool poll_iocb_lock_wq(struct poll_iocb *req)
+{
+	wait_queue_head_t *head;
+
+	/*
+	 * While we hold the waitqueue lock and the waitqueue is nonempty,
+	 * wake_up_pollfree() will wait for us.  However, taking the waitqueue
+	 * lock in the first place can race with the waitqueue being freed.
+	 *
+	 * We solve this as eventpoll does: by taking advantage of the fact that
+	 * all users of wake_up_pollfree() will RCU-delay the actual free.  If
+	 * we enter rcu_read_lock() and see that the pointer to the queue is
+	 * non-NULL, we can then lock it without the memory being freed out from
+	 * under us, then check whether the request is still on the queue.
+	 *
+	 * Keep holding rcu_read_lock() as long as we hold the queue lock, in
+	 * case the caller deletes the entry from the queue, leaving it empty.
+	 * In that case, only RCU prevents the queue memory from being freed.
+	 */
+	rcu_read_lock();
+	head = smp_load_acquire(&req->head);
+	if (head) {
+		spin_lock(&head->lock);
+		if (!list_empty(&req->wait.entry))
+			return true;
+		spin_unlock(&head->lock);
+	}
+	rcu_read_unlock();
+	return false;
+}
+
+static void poll_iocb_unlock_wq(struct poll_iocb *req)
+{
+	spin_unlock(&req->head->lock);
+	rcu_read_unlock();
+}
+
 static void aio_poll_complete_work(struct work_struct *work)
 {
 	struct poll_iocb *req = container_of(work, struct poll_iocb, work);
···
 	 * avoid further branches in the fast path.
 	 */
 	spin_lock_irq(&ctx->ctx_lock);
-	if (!mask && !READ_ONCE(req->cancelled)) {
-		add_wait_queue(req->head, &req->wait);
-		spin_unlock_irq(&ctx->ctx_lock);
-		return;
-	}
+	if (poll_iocb_lock_wq(req)) {
+		if (!mask && !READ_ONCE(req->cancelled)) {
+			/*
+			 * The request isn't actually ready to be completed yet.
+			 * Reschedule completion if another wakeup came in.
+			 */
+			if (req->work_need_resched) {
+				schedule_work(&req->work);
+				req->work_need_resched = false;
+			} else {
+				req->work_scheduled = false;
+			}
+			poll_iocb_unlock_wq(req);
+			spin_unlock_irq(&ctx->ctx_lock);
+			return;
+		}
+		list_del_init(&req->wait.entry);
+		poll_iocb_unlock_wq(req);
+	} /* else, POLLFREE has freed the waitqueue, so we must complete */
 	list_del_init(&iocb->ki_list);
 	iocb->ki_res.res = mangle_poll(mask);
-	req->done = true;
 	spin_unlock_irq(&ctx->ctx_lock);
 
 	iocb_put(iocb);
···
 	struct aio_kiocb *aiocb = container_of(iocb, struct aio_kiocb, rw);
 	struct poll_iocb *req = &aiocb->poll;
 
-	spin_lock(&req->head->lock);
-	WRITE_ONCE(req->cancelled, true);
-	if (!list_empty(&req->wait.entry)) {
-		list_del_init(&req->wait.entry);
-		schedule_work(&aiocb->poll.work);
-	}
-	spin_unlock(&req->head->lock);
+	if (poll_iocb_lock_wq(req)) {
+		WRITE_ONCE(req->cancelled, true);
+		if (!req->work_scheduled) {
+			schedule_work(&aiocb->poll.work);
+			req->work_scheduled = true;
+		}
+		poll_iocb_unlock_wq(req);
+	} /* else, the request was force-cancelled by POLLFREE already */
 
 	return 0;
 }
···
 	if (mask && !(mask & req->events))
 		return 0;
 
-	list_del_init(&req->wait.entry);
-
-	if (mask && spin_trylock_irqsave(&iocb->ki_ctx->ctx_lock, flags)) {
+	/*
+	 * Complete the request inline if possible.  This requires that three
+	 * conditions be met:
+	 *   1. An event mask must have been passed.  If a plain wakeup was done
+	 *	instead, then mask == 0 and we have to call vfs_poll() to get
+	 *	the events, so inline completion isn't possible.
+	 *   2. The completion work must not have already been scheduled.
+	 *   3. ctx_lock must not be busy.  We have to use trylock because we
+	 *	already hold the waitqueue lock, so this inverts the normal
+	 *	locking order.  Use irqsave/irqrestore because not all
+	 *	filesystems (e.g. fuse) call this function with IRQs disabled,
+	 *	yet IRQs have to be disabled before ctx_lock is obtained.
+	 */
+	if (mask && !req->work_scheduled &&
+	    spin_trylock_irqsave(&iocb->ki_ctx->ctx_lock, flags)) {
 		struct kioctx *ctx = iocb->ki_ctx;
 
-		/*
-		 * Try to complete the iocb inline if we can. Use
-		 * irqsave/irqrestore because not all filesystems (e.g. fuse)
-		 * call this function with IRQs disabled and because IRQs
-		 * have to be disabled before ctx_lock is obtained.
-		 */
+		list_del_init(&req->wait.entry);
 		list_del(&iocb->ki_list);
 		iocb->ki_res.res = mangle_poll(mask);
-		req->done = true;
-		if (iocb->ki_eventfd && eventfd_signal_allowed()) {
+		if (iocb->ki_eventfd && !eventfd_signal_allowed()) {
 			iocb = NULL;
 			INIT_WORK(&req->work, aio_poll_put_work);
 			schedule_work(&req->work);
···
 		if (iocb)
 			iocb_put(iocb);
 	} else {
-		schedule_work(&req->work);
+		/*
+		 * Schedule the completion work if needed.  If it was already
+		 * scheduled, record that another wakeup came in.
+		 *
+		 * Don't remove the request from the waitqueue here, as it might
+		 * not actually be complete yet (we won't know until vfs_poll()
+		 * is called), and we must not miss any wakeups.  POLLFREE is an
+		 * exception to this; see below.
+		 */
+		if (req->work_scheduled) {
+			req->work_need_resched = true;
+		} else {
+			schedule_work(&req->work);
+			req->work_scheduled = true;
+		}
+
+		/*
+		 * If the waitqueue is being freed early but we can't complete
+		 * the request inline, we have to tear down the request as best
+		 * we can.  That means immediately removing the request from its
+		 * waitqueue and preventing all further accesses to the
+		 * waitqueue via the request.  We also need to schedule the
+		 * completion work (done above).  Also mark the request as
+		 * cancelled, to potentially skip an unneeded call to ->poll().
+		 */
+		if (mask & POLLFREE) {
+			WRITE_ONCE(req->cancelled, true);
+			list_del_init(&req->wait.entry);
+
+			/*
+			 * Careful: this *must* be the last step, since as soon
+			 * as req->head is NULL'ed out, the request can be
+			 * completed and freed, since aio_poll_complete_work()
+			 * will no longer need to take the waitqueue lock.
+			 */
+			smp_store_release(&req->head, NULL);
+		}
 	}
 	return 1;
 }
···
 struct aio_poll_table {
 	struct poll_table_struct	pt;
 	struct aio_kiocb		*iocb;
+	bool				queued;
 	int				error;
 };
 
···
 	struct aio_poll_table *pt = container_of(p, struct aio_poll_table, pt);
 
 	/* multiple wait queues per file are not supported */
-	if (unlikely(pt->iocb->poll.head)) {
+	if (unlikely(pt->queued)) {
 		pt->error = -EINVAL;
 		return;
 	}
 
+	pt->queued = true;
 	pt->error = 0;
 	pt->iocb->poll.head = head;
 	add_wait_queue(head, &pt->iocb->poll.wait);
···
 	req->events = demangle_poll(iocb->aio_buf) | EPOLLERR | EPOLLHUP;
 
 	req->head = NULL;
-	req->done = false;
 	req->cancelled = false;
+	req->work_scheduled = false;
+	req->work_need_resched = false;
 
 	apt.pt._qproc = aio_poll_queue_proc;
 	apt.pt._key = req->events;
 	apt.iocb = aiocb;
+	apt.queued = false;
 	apt.error = -EINVAL; /* same as no support for IOCB_CMD_POLL */
 
 	/* initialized the list so that we can do list_empty checks */
···
 
 	mask = vfs_poll(req->file, &apt.pt) & req->events;
 	spin_lock_irq(&ctx->ctx_lock);
-	if (likely(req->head)) {
-		spin_lock(&req->head->lock);
-		if (unlikely(list_empty(&req->wait.entry))) {
-			if (apt.error)
+	if (likely(apt.queued)) {
+		bool on_queue = poll_iocb_lock_wq(req);
+
+		if (!on_queue || req->work_scheduled) {
+			/*
+			 * aio_poll_wake() already either scheduled the async
+			 * completion work, or completed the request inline.
+			 */
+			if (apt.error) /* unsupported case: multiple queues */
 				cancel = true;
 			apt.error = 0;
 			mask = 0;
 		}
 		if (mask || apt.error) {
+			/* Steal to complete synchronously. */
 			list_del_init(&req->wait.entry);
 		} else if (cancel) {
+			/* Cancel if possible (may be too late though). */
 			WRITE_ONCE(req->cancelled, true);
-		} else if (!req->done) { /* actually waiting for an event */
+		} else if (on_queue) {
+			/*
+			 * Actually waiting for an event, so add the request to
+			 * active_reqs so that it can be cancelled if needed.
+			 */
 			list_add_tail(&aiocb->ki_list, &ctx->active_reqs);
 			aiocb->ki_cancel = aio_poll_cancel;
 		}
-		spin_unlock(&req->head->lock);
+		if (on_queue)
+			poll_iocb_unlock_wq(req);
 	}
 	if (mask) { /* no async, we'd stolen it */
 		aiocb->ki_res.res = mangle_poll(mask);

fs/btrfs/delalloc-space.c

···
 
 	/* Use new btrfs_qgroup_reserve_data to reserve precious data space. */
 	ret = btrfs_qgroup_reserve_data(inode, reserved, start, len);
-	if (ret < 0)
+	if (ret < 0) {
 		btrfs_free_reserved_data_space_noquota(fs_info, len);
-	else
+		extent_changeset_free(*reserved);
+		*reserved = NULL;
+	} else {
 		ret = 0;
+	}
 	return ret;
 }
 
···
 	if (ret < 0)
 		return ret;
 	ret = btrfs_delalloc_reserve_metadata(inode, len);
-	if (ret < 0)
+	if (ret < 0) {
 		btrfs_free_reserved_data_space(inode, *reserved, start, len);
+		extent_changeset_free(*reserved);
+		*reserved = NULL;
+	}
 	return ret;
 }
 

fs/btrfs/extent-tree.c

···
 	int dev_ret = 0;
 	int ret = 0;
 
+	if (range->start == U64_MAX)
+		return -EINVAL;
+
 	/*
 	 * Check range overflow if range->len is set.
 	 * The default range->len is U64_MAX.

fs/btrfs/extent_io.c

···
 		return;
 
 	/*
+	 * A read may stumble upon this buffer later, make sure that it gets an
+	 * error and knows there was an error.
+	 */
+	clear_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
+
+	/*
+	 * We need to set the mapping with the io error as well because a write
+	 * error will flip the file system readonly, and then syncfs() will
+	 * return a 0 because we are readonly if we don't modify the err seq for
+	 * the superblock.
+	 */
+	mapping_set_error(page->mapping, -EIO);
+
+	/*
 	 * If we error out, we should add back the dirty_metadata_bytes
 	 * to make it consistent.
 	 */

fs/btrfs/ioctl.c

···
 		return -EPERM;
 
 	vol_args = memdup_user(arg, sizeof(*vol_args));
-	if (IS_ERR(vol_args)) {
-		ret = PTR_ERR(vol_args);
-		goto out;
-	}
+	if (IS_ERR(vol_args))
+		return PTR_ERR(vol_args);
 
 	if (vol_args->flags & ~BTRFS_DEVICE_REMOVE_ARGS_MASK) {
 		ret = -EOPNOTSUPP;

fs/btrfs/root-tree.c

···
 	key.offset = ref_id;
 again:
 	ret = btrfs_search_slot(trans, tree_root, &key, path, -1, 1);
-	BUG_ON(ret < 0);
+	if (ret < 0)
+		goto out;
 	if (ret == 0) {
 		leaf = path->nodes[0];
 		ref = btrfs_item_ptr(leaf, path->slots[0],

fs/btrfs/tree-log.c

···
 						     path->nodes[*level]->len);
 					if (ret)
 						return ret;
+					btrfs_redirty_list_add(trans->transaction,
+							       next);
 				} else {
 					if (test_and_clear_bit(EXTENT_BUFFER_DIRTY, &next->bflags))
 						clear_extent_buffer_dirty(next);
···
 						next->start, next->len);
 				if (ret)
 					goto out;
+				btrfs_redirty_list_add(trans->transaction, next);
 			} else {
 				if (test_and_clear_bit(EXTENT_BUFFER_DIRTY, &next->bflags))
 					clear_extent_buffer_dirty(next);
···
 			  EXTENT_DIRTY | EXTENT_NEW | EXTENT_NEED_WAIT);
 	extent_io_tree_release(&log->log_csum_range);
 
-	if (trans && log->node)
-		btrfs_redirty_list_add(trans->transaction, log->node);
 	btrfs_put_root(log);
 }
 

fs/btrfs/zoned.c

···
 	block_group->alloc_offset = block_group->zone_capacity;
 	block_group->free_space_ctl->free_space = 0;
 	btrfs_clear_treelog_bg(block_group);
+	btrfs_clear_data_reloc_bg(block_group);
 	spin_unlock(&block_group->lock);
 
 	ret = blkdev_zone_mgmt(device->bdev, REQ_OP_ZONE_FINISH,
···
 	ASSERT(block_group->alloc_offset == block_group->zone_capacity);
 	ASSERT(block_group->free_space_ctl->free_space == 0);
 	btrfs_clear_treelog_bg(block_group);
+	btrfs_clear_data_reloc_bg(block_group);
 	spin_unlock(&block_group->lock);
 
 	map = block_group->physical_map;

fs/cifs/sess.c

···
 {
 	unsigned int tioffset; /* challenge message target info area */
 	unsigned int tilen; /* challenge message target info area length  */
-
 	CHALLENGE_MESSAGE *pblob = (CHALLENGE_MESSAGE *)bcc_ptr;
+	__u32 server_flags;
 
 	if (blob_len < sizeof(CHALLENGE_MESSAGE)) {
 		cifs_dbg(VFS, "challenge blob len %d too small\n", blob_len);
···
 		return -EINVAL;
 	}
 
+	server_flags = le32_to_cpu(pblob->NegotiateFlags);
+	cifs_dbg(FYI, "%s: negotiate=0x%08x challenge=0x%08x\n", __func__,
+		 ses->ntlmssp->client_flags, server_flags);
+
+	if ((ses->ntlmssp->client_flags & (NTLMSSP_NEGOTIATE_SEAL | NTLMSSP_NEGOTIATE_SIGN)) &&
+	    (!(server_flags & NTLMSSP_NEGOTIATE_56) && !(server_flags & NTLMSSP_NEGOTIATE_128))) {
+		cifs_dbg(VFS, "%s: requested signing/encryption but server did not return either 56-bit or 128-bit session key size\n",
+			 __func__);
+		return -EINVAL;
+	}
+	if (!(server_flags & NTLMSSP_NEGOTIATE_NTLM) && !(server_flags & NTLMSSP_NEGOTIATE_EXTENDED_SEC)) {
+		cifs_dbg(VFS, "%s: server does not seem to support either NTLMv1 or NTLMv2\n", __func__);
+		return -EINVAL;
+	}
+	if (ses->server->sign && !(server_flags & NTLMSSP_NEGOTIATE_SIGN)) {
+		cifs_dbg(VFS, "%s: forced packet signing but server does not seem to support it\n",
+			 __func__);
+		return -EOPNOTSUPP;
+	}
+	if ((ses->ntlmssp->client_flags & NTLMSSP_NEGOTIATE_KEY_XCH) &&
+	    !(server_flags & NTLMSSP_NEGOTIATE_KEY_XCH))
+		pr_warn_once("%s: authentication has been weakened as server does not support key exchange\n",
+			     __func__);
+
+	ses->ntlmssp->server_flags = server_flags;
+
 	memcpy(ses->ntlmssp->cryptkey, pblob->Challenge, CIFS_CRYPTO_KEY_SIZE);
-	/* BB we could decode pblob->NegotiateFlags; some may be useful */
 	/* In particular we can examine sign flags */
 	/* BB spec says that if AvId field of MsvAvTimestamp is populated then
 		we must set the MIC field of the AUTHENTICATE_MESSAGE */
-	ses->ntlmssp->server_flags = le32_to_cpu(pblob->NegotiateFlags);
+
 	tioffset = le32_to_cpu(pblob->TargetInfoArray.BufferOffset);
 	tilen = le16_to_cpu(pblob->TargetInfoArray.Length);
 	if (tioffset > blob_len || tioffset + tilen > blob_len) {
···
 	flags = NTLMSSP_NEGOTIATE_56 |	NTLMSSP_REQUEST_TARGET |
 		NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE |
 		NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_EXTENDED_SEC |
-		NTLMSSP_NEGOTIATE_SEAL;
-	if (server->sign)
-		flags |= NTLMSSP_NEGOTIATE_SIGN;
+		NTLMSSP_NEGOTIATE_ALWAYS_SIGN | NTLMSSP_NEGOTIATE_SEAL |
+		NTLMSSP_NEGOTIATE_SIGN;
 	if (!server->session_estab || ses->ntlmssp->sesskey_per_smbsess)
 		flags |= NTLMSSP_NEGOTIATE_KEY_XCH;
 
 	tmp = *pbuffer + sizeof(NEGOTIATE_MESSAGE);
+	ses->ntlmssp->client_flags = flags;
 	sec_blob->NegotiateFlags = cpu_to_le32(flags);
 
 	/* these fields should be null in negotiate phase MS-NLMP 3.1.5.1.1 */
···
 	memcpy(sec_blob->Signature, NTLMSSP_SIGNATURE, 8);
 	sec_blob->MessageType = NtLmAuthenticate;
 
-	flags = NTLMSSP_NEGOTIATE_56 |
-		NTLMSSP_REQUEST_TARGET | NTLMSSP_NEGOTIATE_TARGET_INFO |
-		NTLMSSP_NEGOTIATE_128 | NTLMSSP_NEGOTIATE_UNICODE |
-		NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_EXTENDED_SEC |
-		NTLMSSP_NEGOTIATE_SEAL | NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED;
-	if (ses->server->sign)
-		flags |= NTLMSSP_NEGOTIATE_SIGN;
-	if (!ses->server->session_estab || ses->ntlmssp->sesskey_per_smbsess)
-		flags |= NTLMSSP_NEGOTIATE_KEY_XCH;
+	flags = ses->ntlmssp->server_flags | NTLMSSP_REQUEST_TARGET |
+		NTLMSSP_NEGOTIATE_TARGET_INFO | NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED;
 
 	tmp = *pbuffer + sizeof(AUTHENTICATE_MESSAGE);
 	sec_blob->NegotiateFlags = cpu_to_le32(flags);
···
 				      *pbuffer, &tmp,
 				      nls_cp);
 
-	if (((ses->ntlmssp->server_flags & NTLMSSP_NEGOTIATE_KEY_XCH) ||
-		(ses->ntlmssp->server_flags & NTLMSSP_NEGOTIATE_EXTENDED_SEC))
-			&& !calc_seckey(ses)) {
+	if ((ses->ntlmssp->server_flags & NTLMSSP_NEGOTIATE_KEY_XCH) &&
+	    (!ses->server->session_estab || ses->ntlmssp->sesskey_per_smbsess) &&
+	    !calc_seckey(ses)) {
 		memcpy(tmp, ses->ntlmssp->ciphertext, CIFS_CPHTXT_SIZE);
 		sec_blob->SessionKey.BufferOffset = cpu_to_le32(tmp - *pbuffer);
 		sec_blob->SessionKey.Length = cpu_to_le16(CIFS_CPHTXT_SIZE);

fs/io-wq.c

···
 					struct io_wqe_acct *acct,
 					struct io_cb_cancel_data *match);
 static void create_worker_cb(struct callback_head *cb);
+static void io_wq_cancel_tw_create(struct io_wq *wq);
 
 static bool io_worker_get(struct io_worker *worker)
 {
···
 	    test_and_set_bit_lock(0, &worker->create_state))
 		goto fail_release;
 
+	atomic_inc(&wq->worker_refs);
 	init_task_work(&worker->create_work, func);
 	worker->create_index = acct->index;
 	if (!task_work_add(wq->task, &worker->create_work, TWA_SIGNAL)) {
-		clear_bit_unlock(0, &worker->create_state);
+		/*
+		 * EXIT may have been set after checking it above, check after
+		 * adding the task_work and remove any creation item if it is
+		 * now set. wq exit does that too, but we can have added this
+		 * work item after we canceled in io_wq_exit_workers().
+		 */
+		if (test_bit(IO_WQ_BIT_EXIT, &wq->state))
+			io_wq_cancel_tw_create(wq);
+		io_worker_ref_put(wq);
 		return true;
 	}
+	io_worker_ref_put(wq);
 	clear_bit_unlock(0, &worker->create_state);
 fail_release:
 	io_worker_release(worker);
···
 	set_bit(IO_WQ_BIT_EXIT, &wq->state);
 }
 
-static void io_wq_exit_workers(struct io_wq *wq)
+static void io_wq_cancel_tw_create(struct io_wq *wq)
 {
 	struct callback_head *cb;
-	int node;
-
-	if (!wq->task)
-		return;
 
 	while ((cb = task_work_cancel_match(wq->task, io_task_work_match, wq)) != NULL) {
 		struct io_worker *worker;
···
 		worker = container_of(cb, struct io_worker, create_work);
 		io_worker_cancel_cb(worker);
 	}
+}
+
+static void io_wq_exit_workers(struct io_wq *wq)
+{
+	int node;
+
+	if (!wq->task)
+		return;
+
+	io_wq_cancel_tw_create(wq);
 
 	rcu_read_lock();
 	for_each_node(node) {

fs/io_uring.c

···
 
 /*
  * Find any io_uring ctx that this task has registered or done IO on, and cancel
- * requests. @sqd should be not-null IIF it's an SQPOLL thread cancellation.
+ * requests. @sqd should be not-null IFF it's an SQPOLL thread cancellation.
  */
 static __cold void io_uring_cancel_generic(bool cancel_all,
 					   struct io_sq_data *sqd)
···
 							     cancel_all);
 		}
 
-		prepare_to_wait(&tctx->wait, &wait, TASK_UNINTERRUPTIBLE);
+		prepare_to_wait(&tctx->wait, &wait, TASK_INTERRUPTIBLE);
+		io_run_task_work();
 		io_uring_drop_tctx_refs(current);
+
 		/*
 		 * If we've seen completions, retry without waiting. This
 		 * avoids a race where a completion comes in before we did

fs/netfs/read_helper.c

···
 	netfs_rreq_do_write_to_cache(rreq);
 }
 
-static void netfs_rreq_write_to_cache(struct netfs_read_request *rreq,
-				      bool was_async)
+static void netfs_rreq_write_to_cache(struct netfs_read_request *rreq)
 {
-	if (was_async) {
-		rreq->work.func = netfs_rreq_write_to_cache_work;
-		if (!queue_work(system_unbound_wq, &rreq->work))
-			BUG();
-	} else {
-		netfs_rreq_do_write_to_cache(rreq);
-	}
+	rreq->work.func = netfs_rreq_write_to_cache_work;
+	if (!queue_work(system_unbound_wq, &rreq->work))
+		BUG();
 }
 
 /*
···
 	wake_up_bit(&rreq->flags, NETFS_RREQ_IN_PROGRESS);
 
 	if (test_bit(NETFS_RREQ_WRITE_TO_CACHE, &rreq->flags))
-		return netfs_rreq_write_to_cache(rreq, was_async);
+		return netfs_rreq_write_to_cache(rreq);
 
 	netfs_rreq_completed(rreq, was_async);
 }
···
 	rreq = netfs_alloc_read_request(ops, netfs_priv, file);
 	if (!rreq) {
 		if (netfs_priv)
-			ops->cleanup(netfs_priv, folio_file_mapping(folio));
+			ops->cleanup(folio_file_mapping(folio), netfs_priv);
 		folio_unlock(folio);
 		return -ENOMEM;
 	}
···
 		goto error;
 have_folio_no_wait:
 	if (netfs_priv)
-		ops->cleanup(netfs_priv, mapping);
+		ops->cleanup(mapping, netfs_priv);
 	*_folio = folio;
 	_leave(" = 0");
 	return 0;
···
 	folio_unlock(folio);
 	folio_put(folio);
 	if (netfs_priv)
-		ops->cleanup(netfs_priv, mapping);
+		ops->cleanup(mapping, netfs_priv);
 	_leave(" = %d", ret);
 	return ret;
 }

fs/nfsd/nfs4recover.c

···
 int
 register_cld_notifier(void)
 {
+	WARN_ON(!nfsd_net_id);
 	return rpc_pipefs_notifier_register(&nfsd4_cld_block);
 }
 

fs/nfsd/nfs4state.c

···
 	return 0;
 }
 
+static bool delegation_hashed(struct nfs4_delegation *dp)
+{
+	return !(list_empty(&dp->dl_perfile));
+}
+
 static bool
 unhash_delegation_locked(struct nfs4_delegation *dp)
 {
···
 
 	lockdep_assert_held(&state_lock);
 
-	if (list_empty(&dp->dl_perfile))
+	if (!delegation_hashed(dp))
 		return false;
 
 	dp->dl_stid.sc_type = NFS4_CLOSED_DELEG_STID;
···
 	 * queued for a lease break. Don't queue it again.
 	 */
 	spin_lock(&state_lock);
-	if (dp->dl_time == 0) {
+	if (delegation_hashed(dp) && dp->dl_time == 0) {
 		dp->dl_time = ktime_get_boottime_seconds();
 		list_add_tail(&dp->dl_recall_lru, &nn->del_recall_lru);
 	}

fs/nfsd/nfsctl.c

···
 	int retval;
 	printk(KERN_INFO "Installing knfsd (copyright (C) 1996 [e-mail]).\n");
 
-	retval = register_cld_notifier();
-	if (retval)
-		return retval;
 	retval = nfsd4_init_slabs();
 	if (retval)
-		goto out_unregister_notifier;
+		return retval;
 	retval = nfsd4_init_pnfs();
 	if (retval)
 		goto out_free_slabs;
···
 		goto out_free_exports;
 	retval = register_pernet_subsys(&nfsd_net_ops);
 	if (retval < 0)
+		goto out_free_filesystem;
+	retval = register_cld_notifier();
+	if (retval)
 		goto out_free_all;
 	return 0;
 out_free_all:
+	unregister_pernet_subsys(&nfsd_net_ops);
+out_free_filesystem:
 	unregister_filesystem(&nfsd_fs_type);
 out_free_exports:
 	remove_proc_entry("fs/nfs/exports", NULL);
···
 	nfsd4_exit_pnfs();
 out_free_slabs:
 	nfsd4_free_slabs();
-out_unregister_notifier:
-	unregister_cld_notifier();
 	return retval;
 }
 
 static void __exit exit_nfsd(void)
 {
+	unregister_cld_notifier();
 	unregister_pernet_subsys(&nfsd_net_ops);
 	nfsd_drc_slab_free();
 	remove_proc_entry("fs/nfs/exports", NULL);
···
 	nfsd4_free_slabs();
 	nfsd4_exit_pnfs();
 	unregister_filesystem(&nfsd_fs_type);
-	unregister_cld_notifier();
 }
 
 MODULE_AUTHOR("Olaf Kirch <[e-mail]>");

fs/signalfd.c

···
 
 void signalfd_cleanup(struct sighand_struct *sighand)
 {
-	wait_queue_head_t *wqh = &sighand->signalfd_wqh;
-	/*
-	 * The lockless check can race with remove_wait_queue() in progress,
-	 * but in this case its caller should run under rcu_read_lock() and
-	 * sighand_cachep is SLAB_TYPESAFE_BY_RCU, we can safely return.
-	 */
-	if (likely(!waitqueue_active(wqh)))
-		return;
-
-	/* wait_queue_entry_t->func(POLLFREE) should do remove_wait_queue() */
-	wake_up_poll(wqh, EPOLLHUP | POLLFREE);
+	wake_up_pollfree(&sighand->signalfd_wqh);
 }
 
 struct signalfd_ctx {

fs/smbfs_common/cifs_arc4.c

···
 	ctx->y = y;
 }
 EXPORT_SYMBOL_GPL(cifs_arc4_crypt);
-
-static int __init
-init_smbfs_common(void)
-{
-	return 0;
-}
-static void __init
-exit_smbfs_common(void)
-{
-}
-
-module_init(init_smbfs_common)
-module_exit(exit_smbfs_common)

fs/tracefs/inode.c

···
 	struct tracefs_mount_opts mount_opts;
 };
 
+static void change_gid(struct dentry *dentry, kgid_t gid)
+{
+	if (!dentry->d_inode)
+		return;
+	dentry->d_inode->i_gid = gid;
+}
+
+/*
+ * Taken from d_walk, but without he need for handling renames.
+ * Nothing can be renamed while walking the list, as tracefs
+ * does not support renames. This is only called when mounting
+ * or remounting the file system, to set all the files to
+ * the given gid.
+ */
+static void set_gid(struct dentry *parent, kgid_t gid)
+{
+	struct dentry *this_parent;
+	struct list_head *next;
+
+	this_parent = parent;
+	spin_lock(&this_parent->d_lock);
+
+	change_gid(this_parent, gid);
+repeat:
+	next = this_parent->d_subdirs.next;
+resume:
+	while (next != &this_parent->d_subdirs) {
+		struct list_head *tmp = next;
+		struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
+		next = tmp->next;
+
+		spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
+
+		change_gid(dentry, gid);
+
+		if (!list_empty(&dentry->d_subdirs)) {
+			spin_unlock(&this_parent->d_lock);
+			spin_release(&dentry->d_lock.dep_map, _RET_IP_);
+			this_parent = dentry;
+			spin_acquire(&this_parent->d_lock.dep_map, 0, 1, _RET_IP_);
+			goto repeat;
+		}
+		spin_unlock(&dentry->d_lock);
+	}
+	/*
+	 * All done at this level ... ascend and resume the search.
+	 */
+	rcu_read_lock();
+ascend:
+	if (this_parent != parent) {
+		struct dentry *child = this_parent;
+		this_parent = child->d_parent;
+
+		spin_unlock(&child->d_lock);
+		spin_lock(&this_parent->d_lock);
+
+		/* go into the first sibling still alive */
+		do {
+			next = child->d_child.next;
+			if (next == &this_parent->d_subdirs)
+				goto ascend;
+			child = list_entry(next, struct dentry, d_child);
+		} while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED));
+		rcu_read_unlock();
+		goto resume;
+	}
+	rcu_read_unlock();
+	spin_unlock(&this_parent->d_lock);
+	return;
+}
+
 static int tracefs_parse_options(char *data, struct tracefs_mount_opts *opts)
 {
 	substring_t args[MAX_OPT_ARGS];
···
 			if (!gid_valid(gid))
 				return -EINVAL;
 			opts->gid = gid;
+			set_gid(tracefs_mount->mnt_root, gid);
 			break;
 		case Opt_mode:
 			if (match_octal(&args[0], &option))
···
 	inode->i_mode = mode;
 	inode->i_fop = fops ? fops : &tracefs_file_operations;
 	inode->i_private = data;
+	inode->i_uid = d_inode(dentry->d_parent)->i_uid;
+	inode->i_gid = d_inode(dentry->d_parent)->i_gid;
 	d_instantiate(dentry, inode);
 	fsnotify_create(dentry->d_parent->d_inode, dentry);
 	return end_creating(dentry);
···
 	inode->i_mode = S_IFDIR | S_IRWXU | S_IRUSR| S_IRGRP | S_IXUSR | S_IXGRP;
 	inode->i_op = ops;
 	inode->i_fop = &simple_dir_operations;
+	inode->i_uid = d_inode(dentry->d_parent)->i_uid;
+	inode->i_gid = d_inode(dentry->d_parent)->i_gid;
 
 	/* directory inodes start off with i_nlink == 2 (for "." entry) */
 	inc_nlink(inode);

fs/xfs/xfs_super.c

···
 xfs_remount_ro(
 	struct xfs_mount	*mp)
 {
-	int error;
+	struct xfs_icwalk	icw = {
+		.icw_flags	= XFS_ICWALK_FLAG_SYNC,
+	};
+	int			error;
 
 	/*
 	 * Cancel background eofb scanning so it cannot race with the final
···
 	 */
 	xfs_blockgc_stop(mp);
 
-	/* Get rid of any leftover CoW reservations... */
-	error = xfs_blockgc_free_space(mp, NULL);
+	/*
+	 * Clear out all remaining COW staging extents and speculative post-EOF
+	 * preallocations so that we don't leave inodes requiring inactivation
+	 * cleanups during reclaim on a read-only mount.  We must process every
+	 * cached inode, so this requires a synchronous cache scan.
+	 */
+	error = xfs_blockgc_free_space(mp, &icw);
 	if (error) {
 		xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
 		return error;

include/linux/bpf.h

···
 struct bpf_trampoline *bpf_trampoline_get(u64 key,
 					  struct bpf_attach_target_info *tgt_info);
 void bpf_trampoline_put(struct bpf_trampoline *tr);
+int arch_prepare_bpf_dispatcher(void *image, s64 *funcs, int num_funcs);
 #define BPF_DISPATCHER_INIT(_name) {				\
 	.mutex = __MUTEX_INITIALIZER(_name.mutex),		\
 	.func = &_name##_func,					\
···
  * kprobes, tracepoints) to prevent deadlocks on map operations as any of
  * these events can happen inside a region which holds a map bucket lock
  * and can deadlock on it.
- *
- * Use the preemption safe inc/dec variants on RT because migrate disable
- * is preemptible on RT and preemption in the middle of the RMW operation
- * might lead to inconsistent state. Use the raw variants for non RT
- * kernels as migrate_disable() maps to preempt_disable() so the slightly
- * more expensive save operation can be avoided.
  */
 static inline void bpf_disable_instrumentation(void)
 {
 	migrate_disable();
-	if (IS_ENABLED(CONFIG_PREEMPT_RT))
-		this_cpu_inc(bpf_prog_active);
-	else
-		__this_cpu_inc(bpf_prog_active);
+	this_cpu_inc(bpf_prog_active);
 }
 
 static inline void bpf_enable_instrumentation(void)
 {
-	if (IS_ENABLED(CONFIG_PREEMPT_RT))
-		this_cpu_dec(bpf_prog_active);
-	else
-		__this_cpu_dec(bpf_prog_active);
+	this_cpu_dec(bpf_prog_active);
 	migrate_enable();
 }
 

include/linux/btf.h

···
 	struct module *owner;
 };
 
-struct kfunc_btf_id_list;
+struct kfunc_btf_id_list {
+	struct list_head list;
+	struct mutex mutex;
+};
 
 #ifdef CONFIG_DEBUG_INFO_BTF_MODULES
 void register_kfunc_btf_id_set(struct kfunc_btf_id_list *l,
···
 				 struct kfunc_btf_id_set *s);
 bool bpf_check_mod_kfunc_call(struct kfunc_btf_id_list *klist, u32 kfunc_id,
 			      struct module *owner);
+
+extern struct kfunc_btf_id_list bpf_tcp_ca_kfunc_list;
+extern struct kfunc_btf_id_list prog_test_kfunc_list;
 #else
 static inline void register_kfunc_btf_id_set(struct kfunc_btf_id_list *l,
 					     struct kfunc_btf_id_set *s)
···
 {
 	return false;
 }
+
+static struct kfunc_btf_id_list bpf_tcp_ca_kfunc_list __maybe_unused;
+static struct kfunc_btf_id_list prog_test_kfunc_list __maybe_unused;
 #endif
 
 #define DEFINE_KFUNC_BTF_ID_SET(set, name)                                     \
 	struct kfunc_btf_id_set name = { LIST_HEAD_INIT(name.list), (set),     \
 					 THIS_MODULE }
-
-extern struct kfunc_btf_id_list bpf_tcp_ca_kfunc_list;
-extern struct kfunc_btf_id_list prog_test_kfunc_list;
 
 #endif

include/linux/cacheinfo.h

···
 #define _LINUX_CACHEINFO_H
 
 #include <linux/bitops.h>
-#include <linux/cpu.h>
 #include <linux/cpumask.h>
 #include <linux/smp.h>
 

include/linux/delay.h

···
  */
 
 #include <linux/math.h>
+#include <linux/sched.h>
 
 extern unsigned long loops_per_jiffy;
 
···
 void __attribute__((weak)) calibration_delay_done(void);
 void msleep(unsigned int msecs);
 unsigned long msleep_interruptible(unsigned int msecs);
-void usleep_range(unsigned long min, unsigned long max);
+void usleep_range_state(unsigned long min, unsigned long max,
+			unsigned int state);
+
+static inline void usleep_range(unsigned long min, unsigned long max)
+{
+	usleep_range_state(min, max, TASK_UNINTERRUPTIBLE);
+}
+
+static inline void usleep_idle_range(unsigned long min, unsigned long max)
+{
+	usleep_range_state(min, max, TASK_IDLE);
+}
 
 static inline void ssleep(unsigned int seconds)
 {

include/linux/device/driver.h

···
 #include <linux/klist.h>
 #include <linux/pm.h>
 #include <linux/device/bus.h>
+#include <linux/module.h>
 
 /**
  * enum probe_type - device driver probe type to try

include/linux/filter.h

···
 #define __LINUX_FILTER_H__
 
 #include <linux/atomic.h>
+#include <linux/bpf.h>
 #include <linux/refcount.h>
 #include <linux/compat.h>
 #include <linux/skbuff.h>
···
 
 #include <asm/byteorder.h>
 #include <uapi/linux/filter.h>
-#include <uapi/linux/bpf.h>
 
 struct sk_buff;
 struct sock;
···
  * This uses migrate_disable/enable() explicitly to document that the
  * invocation of a BPF program does not require reentrancy protection
  * against a BPF program which is invoked from a preempting task.
- *
- * For non RT enabled kernels migrate_disable/enable() maps to
- * preempt_disable/enable(), i.e. it disables also preemption.
  */
 static inline u32 bpf_prog_run_pin_on_cpu(const struct bpf_prog *prog,
 					  const void *ctx)

include/linux/hid.h

···
 	return hdev->ll_driver == driver;
 }
 
+static inline bool hid_is_usb(struct hid_device *hdev)
+{
+	return hid_is_using_ll_driver(hdev, &usb_hid_driver);
+}
+
 #define	PM_HINT_FULLON	1<<5
 #define PM_HINT_NORMAL	1<<1
 

include/linux/mhi.h

···
 int mhi_pm_resume(struct mhi_controller *mhi_cntrl);
 
 /**
+ * mhi_pm_resume_force - Force resume MHI from suspended state
+ * @mhi_cntrl: MHI controller
+ *
+ * Resume the device irrespective of its MHI state. As per the MHI spec, devices
+ * has to be in M3 state during resume. But some devices seem to be in a
+ * different MHI state other than M3 but they continue working fine if allowed.
+ * This API is intented to be used for such devices.
+ *
+ * Return: 0 if the resume succeeds, a negative error code otherwise
+ */
+int mhi_pm_resume_force(struct mhi_controller *mhi_cntrl);
+
+/**
  * mhi_download_rddm_image - Download ramdump image from device for
  *                           debugging purpose.
  * @mhi_cntrl: MHI controller

include/linux/percpu-refcount.h

···
 #define _LINUX_PERCPU_REFCOUNT_H
 
 #include <linux/atomic.h>
-#include <linux/kernel.h>
 #include <linux/percpu.h>
 #include <linux/rcupdate.h>
+#include <linux/types.h>
 #include <linux/gfp.h>
 
 struct percpu_ref;

include/linux/phy.h

···
  * @mac_managed_pm: Set true if MAC driver takes of suspending/resuming PHY
  * @state: State of the PHY for management purposes
  * @dev_flags: Device-specific flags used by the PHY driver.
- *		Bits [15:0] are free to use by the PHY driver to communicate
- *			    driver specific behavior.
- *		Bits [23:16] are currently reserved for future use.
- *		Bits [31:24] are reserved for defining generic
- *			     PHY driver behavior.
+ *
+ *      - Bits [15:0] are free to use by the PHY driver to communicate
+ *        driver specific behavior.
+ *      - Bits [23:16] are currently reserved for future use.
+ *      - Bits [31:24] are reserved for defining generic
+ *        PHY driver behavior.
  * @irq: IRQ number of the PHY's interrupt (-1 if none)
  * @phy_timer: The timer for handling the state machine
  * @phylink: Pointer to phylink instance for this PHY

include/linux/pm_runtime.h

···
  * pm_runtime_active - Check whether or not a device is runtime-active.
  * @dev: Target device.
  *
- * Return %true if runtime PM is enabled for @dev and its runtime PM status is
+ * Return %true if runtime PM is disabled for @dev or its runtime PM status is
  * %RPM_ACTIVE, or %false otherwise.
  *
  * Note that the return value of this function can only be trusted if it is

include/linux/regulator/driver.h

···
  *		best to shut-down regulator(s) or reboot the SOC if error
  *		handling is repeatedly failing. If fatal_cnt is given the IRQ
  *		handling is aborted if it fails for fatal_cnt times and die()
- *		callback (if populated) or BUG() is called to try to prevent
+ *		callback (if populated) is called. If die() is not populated
+ *		poweroff for the system is attempted in order to prevent any
  *		further damage.
  * @reread_ms:	The time which is waited before attempting to re-read status
  *		at the worker if IC reading fails. Immediate re-read is done
···
  * @data:	Driver private data pointer which will be passed as such to
  *		the renable, map_event and die callbacks in regulator_irq_data.
  * @die:	Protection callback. If IC status reading or recovery actions
- *		fail fatal_cnt times this callback or BUG() is called. This
- *		callback should implement a final protection attempt like
- *		disabling the regulator. If protection succeeded this may
- *		return 0. If anything else is returned the core assumes final
- *		protection failed and calls BUG() as a last resort.
+ *		fail fatal_cnt times this callback is called or system is
+ *		powered off. This callback should implement a final protection
+ *		attempt like disabling the regulator. If protection succeeded
+ *		die() may return 0. If anything else is returned the core
+ *		assumes final protection failed and attempts to perform a
+ *		poweroff as a last resort.
  * @map_event:	Driver callback to map IRQ status into regulator devices with
  *		events / errors. NOTE: callback MUST initialize both the
  *		errors and notifs for all rdevs which it signals having

include/linux/wait.h

···
 void __wake_up_locked_sync_key(struct wait_queue_head *wq_head, unsigned int mode, void *key);
 void __wake_up_locked(struct wait_queue_head *wq_head, unsigned int mode, int nr);
 void __wake_up_sync(struct wait_queue_head *wq_head, unsigned int mode);
+void __wake_up_pollfree(struct wait_queue_head *wq_head);
 
 #define wake_up(x)			__wake_up(x, TASK_NORMAL, 1, NULL)
 #define wake_up_nr(x, nr)		__wake_up(x, TASK_NORMAL, nr, NULL)
···
 	__wake_up_sync_key((x), TASK_INTERRUPTIBLE, poll_to_key(m))
 #define wake_up_interruptible_sync_poll_locked(x, m)				\
 	__wake_up_locked_sync_key((x), TASK_INTERRUPTIBLE, poll_to_key(m))
+
+/**
+ * wake_up_pollfree - signal that a polled waitqueue is going away
+ * @wq_head: the wait queue head
+ *
+ * In the very rare cases where a ->poll() implementation uses a waitqueue whose
+ * lifetime is tied to a task rather than to the 'struct file' being polled,
+ * this function must be called before the waitqueue is freed so that
+ * non-blocking polls (e.g. epoll) are notified that the queue is going away.
+ *
+ * The caller must also RCU-delay the freeing of the wait_queue_head, e.g. via
+ * an explicit synchronize_rcu() or call_rcu(), or via SLAB_TYPESAFE_BY_RCU.
+ */
+static inline void wake_up_pollfree(struct wait_queue_head *wq_head)
+{
+	/*
+	 * For performance reasons, we don't always take the queue lock here.
+	 * Therefore, we might race with someone removing the last entry from
+	 * the queue, and proceed while they still hold the queue lock.
+	 * However, rcu_read_lock() is required to be held in such cases, so we
+	 * can safely proceed with an RCU-delayed free.
+	 */
+	if (waitqueue_active(wq_head))
+		__wake_up_pollfree(wq_head);
+}
 
 #define ___wait_cond_timeout(condition)						\
 ({										\

include/net/bond_alb.h

···
 struct alb_bond_info {
 	struct tlb_client_info	*tx_hashtbl; /* Dynamically allocated */
 	u32			unbalanced_load;
-	int			tx_rebalance_counter;
+	atomic_t		tx_rebalance_counter;
 	int			lp_counter;
 	/* -------- rlb parameters -------- */
 	int rlb_enabled;

include/net/busy_poll.h

···
 	sk_rx_queue_update(sk, skb);
 }
 
+/* Variant of sk_mark_napi_id() for passive flow setup,
+ * as sk->sk_napi_id and sk->sk_rx_queue_mapping content
+ * needs to be set.
+ */
+static inline void sk_mark_napi_id_set(struct sock *sk,
+				       const struct sk_buff *skb)
+{
+#ifdef CONFIG_NET_RX_BUSY_POLL
+	WRITE_ONCE(sk->sk_napi_id, skb->napi_id);
+#endif
+	sk_rx_queue_set(sk, skb);
+}
+
 static inline void __sk_mark_napi_id_once(struct sock *sk, unsigned int napi_id)
 {
 #ifdef CONFIG_NET_RX_BUSY_POLL

include/net/netfilter/nf_conntrack.h

···
 /* jiffies until ct expires, 0 if already expired */
 static inline unsigned long nf_ct_expires(const struct nf_conn *ct)
 {
-	s32 timeout = ct->timeout - nfct_time_stamp;
+	s32 timeout = READ_ONCE(ct->timeout) - nfct_time_stamp;
 
 	return timeout > 0 ? timeout : 0;
 }
 
 static inline bool nf_ct_is_expired(const struct nf_conn *ct)
 {
-	return (__s32)(ct->timeout - nfct_time_stamp) <= 0;
+	return (__s32)(READ_ONCE(ct->timeout) - nfct_time_stamp) <= 0;
 }
 
 /* use after obtaining a reference count */
···
 static inline void nf_ct_offload_timeout(struct nf_conn *ct)
 {
 	if (nf_ct_expires(ct) < NF_CT_DAY / 2)
-		ct->timeout = nfct_time_stamp + NF_CT_DAY;
+		WRITE_ONCE(ct->timeout, nfct_time_stamp + NF_CT_DAY);
 }
 
 struct kernel_param;

include/uapi/asm-generic/poll.h

···
 #define POLLRDHUP       0x2000
 #endif
 
-#define POLLFREE	(__force __poll_t)0x4000	/* currently only for epoll */
+#define POLLFREE	(__force __poll_t)0x4000
 
 #define POLL_BUSY_LOOP	(__force __poll_t)0x8000
 

include/uapi/linux/resource.h

···
 #define _STK_LIM	(8*1024*1024)
 
 /*
- * GPG2 wants 64kB of mlocked memory, to make sure pass phrases
- * and other sensitive information are never written to disk.
+ * Limit the amount of locked memory by some sane default:
+ * root can always increase this limit if needed.
+ *
+ * The main use-cases are (1) preventing sensitive memory
+ * from being swapped; (2) real-time operations; (3) via
+ * IOURING_REGISTER_BUFFERS.
+ *
+ * The first two don't need much. The latter will take as
+ * much as it can get. 8MB is a reasonably sane default.
  */
-#define MLOCK_LIMIT	((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024)
+#define MLOCK_LIMIT	(8*1024*1024)
 
 /*
  * Due to binary compatibility, the actual resource numbers

kernel/bpf/btf.c

···
 
 /* BTF ID set registration API for modules */
 
-struct kfunc_btf_id_list {
-	struct list_head list;
-	struct mutex mutex;
-};
-
 #ifdef CONFIG_DEBUG_INFO_BTF_MODULES
 
 void register_kfunc_btf_id_set(struct kfunc_btf_id_list *l,
···
 {
 	struct kfunc_btf_id_set *s;
 
-	if (!owner)
-		return false;
 	mutex_lock(&klist->mutex);
 	list_for_each_entry(s, &klist->list, list) {
 		if (s->owner == owner && btf_id_set_contains(s->set, kfunc_id)) {
···
 	return false;
 }
 
-#endif
-
 #define DEFINE_KFUNC_BTF_ID_LIST(name)                                         \
 	struct kfunc_btf_id_list name = { LIST_HEAD_INIT(name.list),           \
 					  __MUTEX_INITIALIZER(name.mutex) };   \
···
 
 DEFINE_KFUNC_BTF_ID_LIST(bpf_tcp_ca_kfunc_list);
 DEFINE_KFUNC_BTF_ID_LIST(prog_test_kfunc_list);
+
+#endif

kernel/bpf/verifier.c

···
 
 	new_range = dst_reg->off;
 	if (range_right_open)
-		new_range--;
+		new_range++;
 
 	/* Examples for register markings:
 	 *

kernel/sched/wait.c

···
 }
 EXPORT_SYMBOL_GPL(__wake_up_sync);	/* For internal use only */
 
+void __wake_up_pollfree(struct wait_queue_head *wq_head)
+{
+	__wake_up(wq_head, TASK_NORMAL, 0, poll_to_key(EPOLLHUP | POLLFREE));
+	/* POLLFREE must have cleared the queue. */
+	WARN_ON_ONCE(waitqueue_active(wq_head));
+}
+
 /*
  * Note: we use "set_current_state()" _after_ the wait-queue add,
  * because we need a memory barrier there on SMP, so that any

kernel/time/timer.c

···
 EXPORT_SYMBOL(msleep_interruptible);
 
 /**
- * usleep_range - Sleep for an approximate time
- * @min: Minimum time in usecs to sleep
- * @max: Maximum time in usecs to sleep
+ * usleep_range_state - Sleep for an approximate time in a given state
+ * @min:	Minimum time in usecs to sleep
+ * @max:	Maximum time in usecs to sleep
+ * @state:	State of the current task that will be while sleeping
  *
  * In non-atomic context where the exact wakeup time is flexible, use
- * usleep_range() instead of udelay().  The sleep improves responsiveness
+ * usleep_range_state() instead of udelay().  The sleep improves responsiveness
  * by avoiding the CPU-hogging busy-wait of udelay(), and the range reduces
  * power usage by allowing hrtimers to take advantage of an already-
  * scheduled interrupt instead of scheduling a new one just for this sleep.
  */
-void __sched usleep_range(unsigned long min, unsigned long max)
+void __sched usleep_range_state(unsigned long min, unsigned long max,
+				unsigned int state)
 {
 	ktime_t exp = ktime_add_us(ktime_get(), min);
 	u64 delta = (u64)(max - min) * NSEC_PER_USEC;
 
 	for (;;) {
-		__set_current_state(TASK_UNINTERRUPTIBLE);
+		__set_current_state(state);
 		/* Do not return before the requested sleep time has elapsed */
 		if (!schedule_hrtimeout_range(&exp, delta, HRTIMER_MODE_ABS))
 			break;
 	}
 }
-EXPORT_SYMBOL(usleep_range);
+EXPORT_SYMBOL(usleep_range_state);

kernel/trace/ftrace.c

···
 {
 	struct ftrace_direct_func *direct;
 	struct ftrace_func_entry *entry;
+	struct ftrace_hash *hash;
 	int ret = -ENODEV;
 
 	mutex_lock(&direct_mutex);
···
 	if (!entry)
 		goto out_unlock;
 
-	if (direct_functions->count == 1)
+	hash = direct_ops.func_hash->filter_hash;
+	if (hash->count == 1)
 		unregister_ftrace_function(&direct_ops);
 
 	ret = ftrace_set_filter_ip(&direct_ops, ip, 1, 0);
···
 	err = unregister_ftrace_function(ops);
 	remove_direct_functions_hash(hash, addr);
 	mutex_unlock(&direct_mutex);
+
+	/* cleanup for possible another register call */
+	ops->func = NULL;
+	ops->trampoline = 0;
 	return err;
 }
 EXPORT_SYMBOL_GPL(unregister_ftrace_direct_multi);

kernel/trace/trace_events_synth.c

···
 						  argv + consumed, &consumed,
 						  &field_version);
 			if (IS_ERR(field)) {
-				argv_free(argv);
 				ret = PTR_ERR(field);
-				goto err;
+				goto err_free_arg;
 			}
 
 			/*
···
 			if (cmd_version > 1 && n_fields_this_loop >= 1) {
 				synth_err(SYNTH_ERR_INVALID_CMD, errpos(field_str));
 				ret = -EINVAL;
-				goto err;
+				goto err_free_arg;
 			}
 
 			fields[n_fields++] = field;
 			if (n_fields == SYNTH_FIELDS_MAX) {
 				synth_err(SYNTH_ERR_TOO_MANY_FIELDS, 0);
 				ret = -EINVAL;
-				goto err;
+				goto err_free_arg;
 			}
 
 			n_fields_this_loop++;
 		}
+		argv_free(argv);
 
 		if (consumed < argc) {
 			synth_err(SYNTH_ERR_INVALID_CMD, 0);
···
 			goto err;
 		}
 
-		argv_free(argv);
 	}
 
 	if (n_fields == 0) {
···
 	kfree(saved_fields);
 
 	return ret;
+ err_free_arg:
+	argv_free(argv);
  err:
 	for (i = 0; i < n_fields; i++)
 		free_synth_field(fields[i]);

lib/Kconfig.debug

···
 	bool "Generate BTF typeinfo"
 	depends on !DEBUG_INFO_SPLIT && !DEBUG_INFO_REDUCED
 	depends on !GCC_PLUGIN_RANDSTRUCT || COMPILE_TEST
+	depends on BPF_SYSCALL
 	help
 	  Generate deduplicated BTF type information from DWARF debug info.
 	  Turning this on expects presence of pahole tool, which will convert

mm/Kconfig

···
 # UP and nommu archs use km based percpu allocator
 #
 config NEED_PER_CPU_KM
-	depends on !SMP
+	depends on !SMP || !MMU
 	bool
 	default y
 

mm/backing-dev.c

···
 	wb_shutdown(&bdi->wb);
 	cgwb_bdi_unregister(bdi);
 
+	/*
+	 * If this BDI's min ratio has been set, use bdi_set_min_ratio() to
+	 * update the global bdi_min_ratio.
+	 */
+	if (bdi->min_ratio)
+		bdi_set_min_ratio(bdi, 0);
+
 	if (bdi->dev) {
 		bdi_debug_unregister(bdi);
 		device_unregister(bdi->dev);

mm/damon/core.c

···
 	for (i = 0; i < nr_ids; i++) {
 		t = damon_new_target(ids[i]);
 		if (!t) {
-			pr_err("Failed to alloc damon_target\n");
 			/* The caller should do cleanup of the ids itself */
 			damon_for_each_target_safe(t, next, ctx)
 				damon_destroy_target(t);
···
 		    unsigned long aggr_int, unsigned long primitive_upd_int,
 		    unsigned long min_nr_reg, unsigned long max_nr_reg)
 {
-	if (min_nr_reg < 3) {
-		pr_err("min_nr_regions (%lu) must be at least 3\n",
-				min_nr_reg);
+	if (min_nr_reg < 3)
 		return -EINVAL;
-	}
-	if (min_nr_reg > max_nr_reg) {
-		pr_err("invalid nr_regions.  min (%lu) > max (%lu)\n",
-				min_nr_reg, max_nr_reg);
+	if (min_nr_reg > max_nr_reg)
 		return -EINVAL;
-	}
 
 	ctx->sample_interval = sample_int;
 	ctx->aggr_interval = aggr_int;
···
 
 static void kdamond_usleep(unsigned long usecs)
 {
-	if (usecs > 100 * 1000)
-		schedule_timeout_interruptible(usecs_to_jiffies(usecs));
+	/* See Documentation/timers/timers-howto.rst for the thresholds */
+	if (usecs > 20 * USEC_PER_MSEC)
+		schedule_timeout_idle(usecs_to_jiffies(usecs));
 	else
-		usleep_range(usecs, usecs + 1);
+		usleep_idle_range(usecs, usecs + 1);
 }
 
 /* Returns negative error code if it's not activated but should return */
···
 				ctx->callback.after_sampling(ctx))
 			done = true;
 
-		usleep_range(ctx->sample_interval, ctx->sample_interval + 1);
+		kdamond_usleep(ctx->sample_interval);
 
 		if (ctx->primitive.check_accesses)
 			max_nr_accesses = ctx->primitive.check_accesses(ctx);

mm/damon/dbgfs.c

···
 				&wmarks.low, &parsed);
 		if (ret != 18)
 			break;
-		if (!damos_action_valid(action)) {
-			pr_err("wrong action %d\n", action);
+		if (!damos_action_valid(action))
 			goto fail;
-		}
 
 		pos += parsed;
 		scheme = damon_new_scheme(min_sz, max_sz, min_nr_a, max_nr_a,

mm/damon/vaddr-test.h

···
 				struct damon_addr_range *three_regions,
 				unsigned long *expected, int nr_expected)
 {
-	struct damon_ctx *ctx = damon_new_ctx();
 	struct damon_target *t;
 	struct damon_region *r;
 	int i;
···
 		r = damon_new_region(regions[i * 2], regions[i * 2 + 1]);
 		damon_add_region(r, t);
 	}
-	damon_add_target(ctx, t);
 
 	damon_va_apply_three_regions(t, three_regions);
 
···
 		KUNIT_EXPECT_EQ(test, r->ar.start, expected[i * 2]);
 		KUNIT_EXPECT_EQ(test, r->ar.end, expected[i * 2 + 1]);
 	}
-
-	damon_destroy_ctx(ctx);
 }
 
 /*
···
 			new_three_regions, expected, ARRAY_SIZE(expected));
 }
 
-static void damon_test_split_evenly(struct kunit *test)
+static void damon_test_split_evenly_fail(struct kunit *test,
+		unsigned long start, unsigned long end, unsigned int nr_pieces)
 {
-	struct damon_ctx *c = damon_new_ctx();
-	struct damon_target *t;
-	struct damon_region *r;
-	unsigned long i;
-
-	KUNIT_EXPECT_EQ(test, damon_va_evenly_split_region(NULL, NULL, 5),
-			-EINVAL);
-
-	t = damon_new_target(42);
-	r = damon_new_region(0, 100);
-	KUNIT_EXPECT_EQ(test, damon_va_evenly_split_region(t, r, 0), -EINVAL);
+	struct damon_target *t = damon_new_target(42);
+	struct damon_region *r = damon_new_region(start, end);
 
 	damon_add_region(r, t);
-	KUNIT_EXPECT_EQ(test, damon_va_evenly_split_region(t, r, 10), 0);
-	KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 10u);
-
-	i = 0;
-	damon_for_each_region(r, t) {
-		KUNIT_EXPECT_EQ(test, r->ar.start, i++ * 10);
-		KUNIT_EXPECT_EQ(test, r->ar.end, i * 10);
-	}
-	damon_free_target(t);
-
-	t = damon_new_target(42);
-	r = damon_new_region(5, 59);
-	damon_add_region(r, t);
-	KUNIT_EXPECT_EQ(test, damon_va_evenly_split_region(t, r, 5), 0);
-	KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 5u);
-
-	i = 0;
-	damon_for_each_region(r, t) {
-		if (i == 4)
-			break;
-		KUNIT_EXPECT_EQ(test, r->ar.start, 5 + 10 * i++);
-		KUNIT_EXPECT_EQ(test, r->ar.end, 5 + 10 * i);
-	}
-	KUNIT_EXPECT_EQ(test, r->ar.start, 5 + 10 * i);
-	KUNIT_EXPECT_EQ(test, r->ar.end, 59ul);
-	damon_free_target(t);
-
-	t = damon_new_target(42);
-	r = damon_new_region(5, 6);
-	damon_add_region(r, t);
-	KUNIT_EXPECT_EQ(test, damon_va_evenly_split_region(t, r, 2), -EINVAL);
+	KUNIT_EXPECT_EQ(test,
+			damon_va_evenly_split_region(t, r, nr_pieces), -EINVAL);
 	KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 1u);
 
 	damon_for_each_region(r, t) {
-		KUNIT_EXPECT_EQ(test, r->ar.start, 5ul);
-		KUNIT_EXPECT_EQ(test, r->ar.end, 6ul);
+		KUNIT_EXPECT_EQ(test, r->ar.start, start);
+		KUNIT_EXPECT_EQ(test, r->ar.end, end);
 	}
+
 	damon_free_target(t);
-	damon_destroy_ctx(c);
+}
+
+static void damon_test_split_evenly_succ(struct kunit *test,
+	unsigned long start, unsigned long end, unsigned int nr_pieces)
+{
+	struct damon_target *t = damon_new_target(42);
+	struct damon_region *r = damon_new_region(start, end);
+	unsigned long expected_width = (end - start) / nr_pieces;
+	unsigned long i = 0;
+
+	damon_add_region(r, t);
+	KUNIT_EXPECT_EQ(test,
+			damon_va_evenly_split_region(t, r, nr_pieces), 0);
+	KUNIT_EXPECT_EQ(test, damon_nr_regions(t), nr_pieces);
+
+	damon_for_each_region(r, t) {
+		if (i == nr_pieces - 1)
+			break;
+		KUNIT_EXPECT_EQ(test,
+				r->ar.start, start + i++ * expected_width);
+		KUNIT_EXPECT_EQ(test, r->ar.end, start + i * expected_width);
+	}
+	KUNIT_EXPECT_EQ(test, r->ar.start, start + i * expected_width);
+	KUNIT_EXPECT_EQ(test, r->ar.end, end);
+	damon_free_target(t);
+}
+
+static void damon_test_split_evenly(struct kunit *test)
+{
+	KUNIT_EXPECT_EQ(test, damon_va_evenly_split_region(NULL, NULL, 5),
+			-EINVAL);
+
+	damon_test_split_evenly_fail(test, 0, 100, 0);
+	damon_test_split_evenly_succ(test, 0, 100, 10);
+	damon_test_split_evenly_succ(test, 5, 59, 5);
+	damon_test_split_evenly_fail(test, 5, 6, 2);
 }
 
 static struct kunit_case damon_test_cases[] = {

mm/damon/vaddr.c

···
 #include <linux/mmu_notifier.h>
 #include <linux/page_idle.h>
 #include <linux/pagewalk.h>
+#include <linux/sched/mm.h>
 
 #include "prmtv-common.h"
 
···
 	case DAMOS_STAT:
 		return 0;
 	default:
-		pr_warn("Wrong action %d\n", scheme->action);
 		return -EINVAL;
 	}
 

mm/filemap.c

···
 			goto skip;
 		if (!PageUptodate(page) || PageReadahead(page))
 			goto skip;
-		if (PageHWPoison(page))
-			goto skip;
 		if (!trylock_page(page))
 			goto skip;
 		if (page->mapping != mapping)

mm/hugetlb.c

···
 	struct huge_bootmem_page *m = NULL; /* initialize for clang */
 	int nr_nodes, node;
 
-	if (nid >= nr_online_nodes)
+	if (nid != NUMA_NO_NODE && nid >= nr_online_nodes)
 		return 0;
 	/* do node specific alloc */
 	if (nid != NUMA_NO_NODE) {

mm/memcontrol.c

···
 	rcu_read_unlock();
 }
 
-/*
- * mod_objcg_mlstate() may be called with irq enabled, so
- * mod_memcg_lruvec_state() should be used.
- */
-static inline void mod_objcg_mlstate(struct obj_cgroup *objcg,
-				     struct pglist_data *pgdat,
-				     enum node_stat_item idx, int nr)
-{
-	struct mem_cgroup *memcg;
-	struct lruvec *lruvec;
-
-	rcu_read_lock();
-	memcg = obj_cgroup_memcg(objcg);
-	lruvec = mem_cgroup_lruvec(memcg, pgdat);
-	mod_memcg_lruvec_state(lruvec, idx, nr);
-	rcu_read_unlock();
-}
-
 /**
  * __count_memcg_events - account VM events in a cgroup
  * @memcg: the memory cgroup
···
 }
 #endif
 
-/*
- * Most kmem_cache_alloc() calls are from user context. The irq disable/enable
- * sequence used in this case to access content from object stock is slow.
- * To optimize for user context access, there are now two object stocks for
- * task context and interrupt context access respectively.
- *
- * The task context object stock can be accessed by disabling preemption only
- * which is cheap in non-preempt kernel. The interrupt context object stock
- * can only be accessed after disabling interrupt. User context code can
- * access interrupt object stock, but not vice versa.
- */
-static inline struct obj_stock *get_obj_stock(unsigned long *pflags)
-{
-	struct memcg_stock_pcp *stock;
-
-	if (likely(in_task())) {
-		*pflags = 0UL;
-		preempt_disable();
-		stock = this_cpu_ptr(&memcg_stock);
-		return &stock->task_obj;
-	}
-
-	local_irq_save(*pflags);
-	stock = this_cpu_ptr(&memcg_stock);
-	return &stock->irq_obj;
-}
-
-static inline void put_obj_stock(unsigned long flags)
-{
-	if (likely(in_task()))
-		preempt_enable();
-	else
-		local_irq_restore(flags);
-}
-
 /**
  * consume_stock: Try to consume stocked charge on this cpu.
  * @memcg: memcg to consume from.
···
  * reclaimable. So those GFP bits should be masked off.
  */
 #define OBJCGS_CLEAR_MASK	(__GFP_DMA | __GFP_RECLAIMABLE | __GFP_ACCOUNT)
+
+/*
+ * Most kmem_cache_alloc() calls are from user context. The irq disable/enable
+ * sequence used in this case to access content from object stock is slow.
+ * To optimize for user context access, there are now two object stocks for
+ * task context and interrupt context access respectively.
+ *
+ * The task context object stock can be accessed by disabling preemption only
+ * which is cheap in non-preempt kernel. The interrupt context object stock
+ * can only be accessed after disabling interrupt. User context code can
+ * access interrupt object stock, but not vice versa.
+ */
+static inline struct obj_stock *get_obj_stock(unsigned long *pflags)
+{
+	struct memcg_stock_pcp *stock;
+
+	if (likely(in_task())) {
+		*pflags = 0UL;
+		preempt_disable();
+		stock = this_cpu_ptr(&memcg_stock);
+		return &stock->task_obj;
+	}
+
+	local_irq_save(*pflags);
+	stock = this_cpu_ptr(&memcg_stock);
+	return &stock->irq_obj;
+}
+
+static inline void put_obj_stock(unsigned long flags)
+{
+	if (likely(in_task()))
+		preempt_enable();
+	else
+		local_irq_restore(flags);
+}
+
+/*
+ * mod_objcg_mlstate() may be called with irq enabled, so
+ * mod_memcg_lruvec_state() should be used.
+ */
+static inline void mod_objcg_mlstate(struct obj_cgroup *objcg,
+				     struct pglist_data *pgdat,
+				     enum node_stat_item idx, int nr)
+{
+	struct mem_cgroup *memcg;
+	struct lruvec *lruvec;
+
+	rcu_read_lock();
+	memcg = obj_cgroup_memcg(objcg);
+	lruvec = mem_cgroup_lruvec(memcg, pgdat);
+	mod_memcg_lruvec_state(lruvec, idx, nr);
+	rcu_read_unlock();
+}
 
 int memcg_alloc_page_obj_cgroups(struct page *page, struct kmem_cache *s,
 				 gfp_t gfp, bool new_page)

mm/memory_hotplug.c

···
 #include <linux/memblock.h>
 #include <linux/compaction.h>
 #include <linux/rmap.h>
+#include <linux/module.h>
 
 #include <asm/tlbflush.h>
 

mm/slub.c

···
 	unsigned long max;
 	unsigned long count;
 	struct location *loc;
+	loff_t idx;
 };
 
 static struct dentry *slab_debugfs_root;
···
 #if defined(CONFIG_SLUB_DEBUG) && defined(CONFIG_DEBUG_FS)
 static int slab_debugfs_show(struct seq_file *seq, void *v)
 {
-
-	struct location *l;
-	unsigned int idx = *(unsigned int *)v;
 	struct loc_track *t = seq->private;
+	struct location *l;
+	unsigned long idx;
 
+	idx = (unsigned long) t->idx;
 	if (idx < t->count) {
 		l = &t->loc[idx];
 
···
 {
 	struct loc_track *t = seq->private;
 
-	v = ppos;
-	++*ppos;
+	t->idx = ++(*ppos);
 	if (*ppos <= t->count)
-		return v;
+		return ppos;
 
 	return NULL;
 }
 
 static void *slab_debugfs_start(struct seq_file *seq, loff_t *ppos)
 {
+	struct loc_track *t = seq->private;
+
+	t->idx = *ppos;
 	return ppos;
 }
 

mm/swap_slots.c

···
 #include <linux/swap_slots.h>
 #include <linux/cpu.h>
 #include <linux/cpumask.h>
+#include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/mutex.h>
 #include <linux/mm.h>

net/core/devlink.c

···
 		return err;
 	}
 
-	if (info->attrs[DEVLINK_ATTR_NETNS_PID] ||
-	    info->attrs[DEVLINK_ATTR_NETNS_FD] ||
-	    info->attrs[DEVLINK_ATTR_NETNS_ID]) {
-		dest_net = devlink_netns_get(skb, info);
-		if (IS_ERR(dest_net))
-			return PTR_ERR(dest_net);
-	}
-
 	if (info->attrs[DEVLINK_ATTR_RELOAD_ACTION])
 		action = nla_get_u8(info->attrs[DEVLINK_ATTR_RELOAD_ACTION]);
 	else
···
 			return -EINVAL;
 		}
 	}
+	if (info->attrs[DEVLINK_ATTR_NETNS_PID] ||
+	    info->attrs[DEVLINK_ATTR_NETNS_FD] ||
+	    info->attrs[DEVLINK_ATTR_NETNS_ID]) {
+		dest_net = devlink_netns_get(skb, info);
+		if (IS_ERR(dest_net))
+			return PTR_ERR(dest_net);
+	}
+
 	err = devlink_reload(devlink, dest_net, action, limit, &actions_performed, info->extack);
 
 	if (dest_net)

net/core/neighbour.c

···
 
 	ASSERT_RTNL();
 
-	n = kmalloc(sizeof(*n) + key_len, GFP_KERNEL);
+	n = kzalloc(sizeof(*n) + key_len, GFP_KERNEL);
 	if (!n)
 		goto out;
 
-	n->protocol = 0;
 	write_pnet(&n->net, net);
 	memcpy(n->key, pkey, key_len);
 	n->dev = dev;

net/core/skmsg.c

···
 
 void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock)
 {
+	psock_set_prog(&psock->progs.stream_parser, NULL);
+
 	if (!psock->saved_data_ready)
 		return;
 
···
 
 void sk_psock_stop_verdict(struct sock *sk, struct sk_psock *psock)
 {
+	psock_set_prog(&psock->progs.stream_verdict, NULL);
+	psock_set_prog(&psock->progs.skb_verdict, NULL);
+
 	if (!psock->saved_data_ready)
 		return;
 

net/core/sock_map.c

···
 		write_lock_bh(&sk->sk_callback_lock);
 		if (strp_stop)
 			sk_psock_stop_strp(sk, psock);
-		else
+		if (verdict_stop)
 			sk_psock_stop_verdict(sk, psock);
+
+		if (psock->psock_update_sk_prot)
+			psock->psock_update_sk_prot(sk, psock, false);
 		write_unlock_bh(&sk->sk_callback_lock);
 	}
 }
···
 
 	if (msg_parser)
 		psock_set_prog(&psock->progs.msg_parser, msg_parser);
+	if (stream_parser)
+		psock_set_prog(&psock->progs.stream_parser, stream_parser);
+	if (stream_verdict)
+		psock_set_prog(&psock->progs.stream_verdict, stream_verdict);
+	if (skb_verdict)
+		psock_set_prog(&psock->progs.skb_verdict, skb_verdict);
 
 	ret = sock_map_init_proto(sk, psock);
 	if (ret < 0)
···
 		ret = sk_psock_init_strp(sk, psock);
 		if (ret)
 			goto out_unlock_drop;
-		psock_set_prog(&psock->progs.stream_verdict, stream_verdict);
-		psock_set_prog(&psock->progs.stream_parser, stream_parser);
 		sk_psock_start_strp(sk, psock);
 	} else if (!stream_parser && stream_verdict && !psock->saved_data_ready) {
-		psock_set_prog(&psock->progs.stream_verdict, stream_verdict);
 		sk_psock_start_verdict(sk,psock);
 	} else if (!stream_verdict && skb_verdict && !psock->saved_data_ready) {
-		psock_set_prog(&psock->progs.skb_verdict, skb_verdict);
 		sk_psock_start_verdict(sk, psock);
 	}
 	write_unlock_bh(&sk->sk_callback_lock);

net/ethtool/netlink.c

···
 	if (dev->dev.parent)
 		pm_runtime_get_sync(dev->dev.parent);
 
-	if (!netif_device_present(dev)) {
+	if (!netif_device_present(dev) ||
+	    dev->reg_state == NETREG_UNREGISTERING) {
 		ret = -ENODEV;
 		goto err;
 	}

net/ipv4/inet_connection_sock.c

···
 
 	sk_node_init(&nreq_sk->sk_node);
 	nreq_sk->sk_tx_queue_mapping = req_sk->sk_tx_queue_mapping;
-#ifdef CONFIG_XPS
+#ifdef CONFIG_SOCK_RX_QUEUE_MAPPING
 	nreq_sk->sk_rx_queue_mapping = req_sk->sk_rx_queue_mapping;
 #endif
 	nreq_sk->sk_incoming_cpu = req_sk->sk_incoming_cpu;

net/ipv4/tcp_minisocks.c

···
 	int ret = 0;
 	int state = child->sk_state;
 
-	/* record NAPI ID of child */
-	sk_mark_napi_id(child, skb);
+	/* record sk_napi_id and sk_rx_queue_mapping of child. */
+	sk_mark_napi_id_set(child, skb);
 
 	tcp_segs_in(tcp_sk(child), skb);
 	if (!sock_owned_by_user(child)) {

net/ipv4/udp.c

···
 			kfree_skb(skb);
 			return -EINVAL;
 		}
-		if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) {
+		if (datalen > cork->gso_size * UDP_MAX_SEGMENTS) {
 			kfree_skb(skb);
 			return -EINVAL;
 		}

net/ipv6/seg6_iptunnel.c

···
 		hdr->hop_limit = ip6_dst_hoplimit(skb_dst(skb));
 
 		memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
+
+		/* the control block has been erased, so we have to set the
+		 * iif once again.
+		 * We read the receiving interface index directly from the
+		 * skb->skb_iif as it is done in the IPv4 receiving path (i.e.:
+		 * ip_rcv_core(...)).
+		 */
+		IP6CB(skb)->iif = skb->skb_iif;
 	}
 
 	hdr->nexthdr = NEXTHDR_ROUTING;

net/netfilter/nf_conntrack_core.c

···
 
 	tstamp = nf_conn_tstamp_find(ct);
 	if (tstamp) {
-		s32 timeout = ct->timeout - nfct_time_stamp;
+		s32 timeout = READ_ONCE(ct->timeout) - nfct_time_stamp;
 
 		tstamp->stop = ktime_get_real_ns();
 		if (timeout < 0)
···
 	}
 
 	/* We want the clashing entry to go away real soon: 1 second timeout. */
-	loser_ct->timeout = nfct_time_stamp + HZ;
+	WRITE_ONCE(loser_ct->timeout, nfct_time_stamp + HZ);
 
 	/* IPS_NAT_CLASH removes the entry automatically on the first
 	 * reply.  Also prevents UDP tracker from moving the entry to
···
 	/* save hash for reusing when confirming */
 	*(unsigned long *)(&ct->tuplehash[IP_CT_DIR_REPLY].hnnode.pprev) = hash;
 	ct->status = 0;
-	ct->timeout = 0;
+	WRITE_ONCE(ct->timeout, 0);
 	write_pnet(&ct->ct_net, net);
 	memset(&ct->__nfct_init_offset, 0,
 	       offsetof(struct nf_conn, proto) -

net/netfilter/nf_conntrack_netlink.c

···
 
 	if (timeout > INT_MAX)
 		timeout = INT_MAX;
-	ct->timeout = nfct_time_stamp + (u32)timeout;
+	WRITE_ONCE(ct->timeout, nfct_time_stamp + (u32)timeout);
 
 	if (test_bit(IPS_DYING_BIT, &ct->status))
 		return -ETIME;

net/netfilter/nf_flow_table_core.c

···
 	if (timeout < 0)
 		timeout = 0;
 
-	if (nf_flow_timeout_delta(ct->timeout) > (__s32)timeout)
-		ct->timeout = nfct_time_stamp + timeout;
+	if (nf_flow_timeout_delta(READ_ONCE(ct->timeout)) > (__s32)timeout)
+		WRITE_ONCE(ct->timeout, nfct_time_stamp + timeout);
 }
 
 static void flow_offload_fixup_ct_state(struct nf_conn *ct)

net/netfilter/nfnetlink_queue.c

···
 	struct net_device *indev;
 	struct net_device *outdev;
 	struct nf_conn *ct = NULL;
-	enum ip_conntrack_info ctinfo;
+	enum ip_conntrack_info ctinfo = 0;
 	struct nfnl_ct_hook *nfnl_ct;
 	bool csum_verify;
 	char *secdata = NULL;

net/netfilter/nft_exthdr.c

···
 
 	tcph = nft_tcp_header_pointer(pkt, sizeof(buff), buff, &tcphdr_len);
 	if (!tcph)
-		return;
+		goto err;
 
 	opt = (u8 *)tcph;
 	for (i = sizeof(*tcph); i < tcphdr_len - 1; i += optl) {
···
 			continue;
 
 		if (i + optl > tcphdr_len || priv->len + priv->offset > optl)
-			return;
+			goto err;
 
 		if (skb_ensure_writable(pkt->skb,
 					nft_thoff(pkt) + i + priv->len))
-			return;
+			goto err;
 
 		tcph = nft_tcp_header_pointer(pkt, sizeof(buff), buff,
 					      &tcphdr_len);
 		if (!tcph)
-			return;
+			goto err;
 
 		offset = i + priv->offset;
 
···
 
 		return;
 	}
+	return;
+err:
+	regs->verdict.code = NFT_BREAK;
 }
 
 static void nft_exthdr_sctp_eval(const struct nft_expr *expr,

net/netfilter/nft_set_pipapo_avx2.c

···
 			NFT_PIPAPO_AVX2_BUCKET_LOAD8(4,  lt, 4, pkt[4], bsize);
 
 			NFT_PIPAPO_AVX2_AND(5, 0, 1);
-			NFT_PIPAPO_AVX2_BUCKET_LOAD8(6,  lt, 6, pkt[5], bsize);
+			NFT_PIPAPO_AVX2_BUCKET_LOAD8(6,  lt, 5, pkt[5], bsize);
 			NFT_PIPAPO_AVX2_AND(7, 2, 3);
 
 			/* Stall */

net/nfc/netlink.c

···
 {
 	struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0];
 
-	nfc_device_iter_exit(iter);
-	kfree(iter);
+	if (iter) {
+		nfc_device_iter_exit(iter);
+		kfree(iter);
+	}
 
 	return 0;
 }
···
 {
 	struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0];
 
-	nfc_device_iter_exit(iter);
-	kfree(iter);
+	if (iter) {
+		nfc_device_iter_exit(iter);
+		kfree(iter);
+	}
 
 	return 0;
 }

net/sched/sch_fq_pie.c

···
 	struct fq_pie_sched_data *q = qdisc_priv(sch);
 
 	tcf_block_put(q->block);
+	q->p_params.tupdate = 0;
 	del_timer_sync(&q->adapt_timer);
 	kvfree(q->flows);
 }

samples/ftrace/Makefile

···
 obj-$(CONFIG_SAMPLE_FTRACE_DIRECT) += ftrace-direct-too.o
 obj-$(CONFIG_SAMPLE_FTRACE_DIRECT) += ftrace-direct-modify.o
 obj-$(CONFIG_SAMPLE_FTRACE_DIRECT_MULTI) += ftrace-direct-multi.o
+obj-$(CONFIG_SAMPLE_FTRACE_DIRECT_MULTI) += ftrace-direct-multi-modify.o
 
 CFLAGS_sample-trace-array.o := -I$(src)
 obj-$(CONFIG_SAMPLE_TRACE_ARRAY) += sample-trace-array.o

samples/ftrace/ftrace-direct-multi-modify.c

···
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/module.h>
+#include <linux/kthread.h>
+#include <linux/ftrace.h>
+#include <asm/asm-offsets.h>
+
+void my_direct_func1(unsigned long ip)
+{
+	trace_printk("my direct func1 ip %lx\n", ip);
+}
+
+void my_direct_func2(unsigned long ip)
+{
+	trace_printk("my direct func2 ip %lx\n", ip);
+}
+
+extern void my_tramp1(void *);
+extern void my_tramp2(void *);
+
+#ifdef CONFIG_X86_64
+
+asm (
+"	.pushsection    .text, \"ax\", @progbits\n"
+"	.type		my_tramp1, @function\n"
+"	.globl		my_tramp1\n"
+"   my_tramp1:"
+"	pushq %rbp\n"
+"	movq %rsp, %rbp\n"
+"	pushq %rdi\n"
+"	movq 8(%rbp), %rdi\n"
+"	call my_direct_func1\n"
+"	popq %rdi\n"
+"	leave\n"
+"	ret\n"
+"	.size		my_tramp1, .-my_tramp1\n"
+"	.type		my_tramp2, @function\n"
+"\n"
+"	.globl		my_tramp2\n"
+"   my_tramp2:"
+"	pushq %rbp\n"
+"	movq %rsp, %rbp\n"
+"	pushq %rdi\n"
+"	movq 8(%rbp), %rdi\n"
+"	call my_direct_func2\n"
+"	popq %rdi\n"
+"	leave\n"
+"	ret\n"
+"	.size		my_tramp2, .-my_tramp2\n"
+"	.popsection\n"
+);
+
+#endif /* CONFIG_X86_64 */
+
+#ifdef CONFIG_S390
+
+asm (
+"       .pushsection    .text, \"ax\", @progbits\n"
+"       .type           my_tramp1, @function\n"
+"       .globl          my_tramp1\n"
+"   my_tramp1:"
+"       lgr             %r1,%r15\n"
+"       stmg            %r0,%r5,"__stringify(__SF_GPRS)"(%r15)\n"
+"       stg             %r14,"__stringify(__SF_GPRS+8*8)"(%r15)\n"
+"       aghi            %r15,"__stringify(-STACK_FRAME_OVERHEAD)"\n"
+"       stg             %r1,"__stringify(__SF_BACKCHAIN)"(%r15)\n"
+"       lgr             %r2,%r0\n"
+"       brasl           %r14,my_direct_func1\n"
+"       aghi            %r15,"__stringify(STACK_FRAME_OVERHEAD)"\n"
+"       lmg             %r0,%r5,"__stringify(__SF_GPRS)"(%r15)\n"
+"       lg              %r14,"__stringify(__SF_GPRS+8*8)"(%r15)\n"
+"       lgr             %r1,%r0\n"
+"       br              %r1\n"
+"       .size           my_tramp1, .-my_tramp1\n"
+"\n"
+"       .type           my_tramp2, @function\n"
+"       .globl          my_tramp2\n"
+"   my_tramp2:"
+"       lgr             %r1,%r15\n"
+"       stmg            %r0,%r5,"__stringify(__SF_GPRS)"(%r15)\n"
+"       stg             %r14,"__stringify(__SF_GPRS+8*8)"(%r15)\n"
+"       aghi            %r15,"__stringify(-STACK_FRAME_OVERHEAD)"\n"
+"       stg             %r1,"__stringify(__SF_BACKCHAIN)"(%r15)\n"
+"       lgr             %r2,%r0\n"
+"       brasl           %r14,my_direct_func2\n"
+"       aghi            %r15,"__stringify(STACK_FRAME_OVERHEAD)"\n"
+"       lmg             %r0,%r5,"__stringify(__SF_GPRS)"(%r15)\n"
+"       lg              %r14,"__stringify(__SF_GPRS+8*8)"(%r15)\n"
+"       lgr             %r1,%r0\n"
+"       br              %r1\n"
+"       .size           my_tramp2, .-my_tramp2\n"
+"       .popsection\n"
+);
+
+#endif /* CONFIG_S390 */
+
+static unsigned long my_tramp = (unsigned long)my_tramp1;
+static unsigned long tramps[2] = {
+	(unsigned long)my_tramp1,
+	(unsigned long)my_tramp2,
+};
+
+static struct ftrace_ops direct;
+
+static int simple_thread(void *arg)
+{
+	static int t;
+	int ret = 0;
+
+	while (!kthread_should_stop()) {
+		set_current_state(TASK_INTERRUPTIBLE);
+		schedule_timeout(2 * HZ);
+
+		if (ret)
+			continue;
+		t ^= 1;
+		ret = modify_ftrace_direct_multi(&direct, tramps[t]);
+		if (!ret)
+			my_tramp = tramps[t];
+		WARN_ON_ONCE(ret);
+	}
+
+	return 0;
+}
+
+static struct task_struct *simple_tsk;
+
+static int __init ftrace_direct_multi_init(void)
+{
+	int ret;
+
+	ftrace_set_filter_ip(&direct, (unsigned long) wake_up_process, 0, 0);
+	ftrace_set_filter_ip(&direct, (unsigned long) schedule, 0, 0);
+
+	ret = register_ftrace_direct_multi(&direct, my_tramp);
+
+	if (!ret)
+		simple_tsk = kthread_run(simple_thread, NULL, "event-sample-fn");
+	return ret;
+}
+
+static void __exit ftrace_direct_multi_exit(void)
+{
+	kthread_stop(simple_tsk);
+	unregister_ftrace_direct_multi(&direct, my_tramp);
+}
+
+module_init(ftrace_direct_multi_init);
+module_exit(ftrace_direct_multi_exit);
+
+MODULE_AUTHOR("Jiri Olsa");
+MODULE_DESCRIPTION("Example use case of using modify_ftrace_direct_multi()");
+MODULE_LICENSE("GPL");

sound/core/control_compat.c

···
 				  struct snd_ctl_elem_value *data,
 				  int type, int count)
 {
+	struct snd_ctl_elem_value32 __user *data32 = userdata;
 	int i, size;
 
 	if (type == SNDRV_CTL_ELEM_TYPE_BOOLEAN ||
···
 		if (copy_to_user(valuep, data->value.bytes.data, size))
 			return -EFAULT;
 	}
+	if (copy_to_user(&data32->id, &data->id, sizeof(data32->id)))
+		return -EFAULT;
 	return 0;
 }
 

sound/core/oss/pcm_oss.c

···
  *
  * Return the maximum value for field PAR.
  */
-static unsigned int
+static int
 snd_pcm_hw_param_value_max(const struct snd_pcm_hw_params *params,
 			   snd_pcm_hw_param_t var, int *dir)
 {
···
 				   struct snd_pcm_hw_params *oss_params,
 				   struct snd_pcm_hw_params *slave_params)
 {
-	size_t s;
-	size_t oss_buffer_size, oss_period_size, oss_periods;
-	size_t min_period_size, max_period_size;
+	ssize_t s;
+	ssize_t oss_buffer_size;
+	ssize_t oss_period_size, oss_periods;
+	ssize_t min_period_size, max_period_size;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	size_t oss_frame_size;
 
 	oss_frame_size = snd_pcm_format_physical_width(params_format(oss_params)) *
 			 params_channels(oss_params) / 8;
 
+	oss_buffer_size = snd_pcm_hw_param_value_max(slave_params,
+						     SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
+						     NULL);
+	if (oss_buffer_size <= 0)
+		return -EINVAL;
 	oss_buffer_size = snd_pcm_plug_client_size(substream,
-						   snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, NULL)) * oss_frame_size;
-	if (!oss_buffer_size)
+						   oss_buffer_size * oss_frame_size);
+	if (oss_buffer_size <= 0)
 		return -EINVAL;
 	oss_buffer_size = rounddown_pow_of_two(oss_buffer_size);
 	if (atomic_read(&substream->mmap_count)) {
···
 
 	min_period_size = snd_pcm_plug_client_size(substream,
 						   snd_pcm_hw_param_value_min(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL));
-	if (min_period_size) {
+	if (min_period_size > 0) {
 		min_period_size *= oss_frame_size;
 		min_period_size = roundup_pow_of_two(min_period_size);
 		if (oss_period_size < min_period_size)
···
 
 	max_period_size = snd_pcm_plug_client_size(substream,
 						   snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL));
-	if (max_period_size) {
+	if (max_period_size > 0) {
 		max_period_size *= oss_frame_size;
 		max_period_size = rounddown_pow_of_two(max_period_size);
 		if (oss_period_size > max_period_size)
···
 		oss_periods = substream->oss.setup.periods;
 
 	s = snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIODS, NULL);
-	if (runtime->oss.maxfrags && s > runtime->oss.maxfrags)
+	if (s > 0 && runtime->oss.maxfrags && s > runtime->oss.maxfrags)
 		s = runtime->oss.maxfrags;
 	if (oss_periods > s)
 		oss_periods = s;
···
 		err = -EINVAL;
 		goto failure;
 	}
-	choose_rate(substream, sparams, runtime->oss.rate);
-	snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_CHANNELS, runtime->oss.channels, NULL);
+
+	err = choose_rate(substream, sparams, runtime->oss.rate);
+	if (err < 0)
+		goto failure;
+	err = snd_pcm_hw_param_near(substream, sparams,
+				    SNDRV_PCM_HW_PARAM_CHANNELS,
+				    runtime->oss.channels, NULL);
+	if (err < 0)
+		goto failure;
 
 	format = snd_pcm_oss_format_from(runtime->oss.format);
 
···
 	if (runtime->oss.subdivision || runtime->oss.fragshift)
 		return -EINVAL;
 	fragshift = val & 0xffff;
-	if (fragshift >= 31)
+	if (fragshift >= 25) /* should be large enough */
 		return -EINVAL;
 	runtime->oss.fragshift = fragshift;
 	runtime->oss.maxfrags = (val >> 16) & 0xffff;

sound/pci/hda/patch_realtek.c

···
 /* for alc285_fixup_ideapad_s740_coef() */
 #include "ideapad_s740_helper.c"
 
-static void alc256_fixup_tongfang_reset_persistent_settings(struct hda_codec *codec,
-							    const struct hda_fixup *fix,
-							    int action)
+static const struct coef_fw alc256_fixup_set_coef_defaults_coefs[] = {
+	WRITE_COEF(0x10, 0x0020), WRITE_COEF(0x24, 0x0000),
+	WRITE_COEF(0x26, 0x0000), WRITE_COEF(0x29, 0x3000),
+	WRITE_COEF(0x37, 0xfe05), WRITE_COEF(0x45, 0x5089),
+	{}
+};
+
+static void alc256_fixup_set_coef_defaults(struct hda_codec *codec,
+					   const struct hda_fixup *fix,
+					   int action)
 {
 	/*
-	* A certain other OS sets these coeffs to different values. On at least one TongFang
-	* barebone these settings might survive even a cold reboot. So to restore a clean slate the
-	* values are explicitly reset to default here. Without this, the external microphone is
-	* always in a plugged-in state, while the internal microphone is always in an unplugged
-	* state, breaking the ability to use the internal microphone.
-	*/
-	alc_write_coef_idx(codec, 0x24, 0x0000);
-	alc_write_coef_idx(codec, 0x26, 0x0000);
-	alc_write_coef_idx(codec, 0x29, 0x3000);
-	alc_write_coef_idx(codec, 0x37, 0xfe05);
-	alc_write_coef_idx(codec, 0x45, 0x5089);
+	 * A certain other OS sets these coeffs to different values. On at least
+	 * one TongFang barebone these settings might survive even a cold
+	 * reboot. So to restore a clean slate the values are explicitly reset
+	 * to default here. Without this, the external microphone is always in a
+	 * plugged-in state, while the internal microphone is always in an
+	 * unplugged state, breaking the ability to use the internal microphone.
+	 */
+	alc_process_coef_fw(codec, alc256_fixup_set_coef_defaults_coefs);
 }
 
 static const struct coef_fw alc233_fixup_no_audio_jack_coefs[] = {
···
 	ALC287_FIXUP_LEGION_15IMHG05_AUTOMUTE,
 	ALC287_FIXUP_YOGA7_14ITL_SPEAKERS,
 	ALC287_FIXUP_13S_GEN2_SPEAKERS,
-	ALC256_FIXUP_TONGFANG_RESET_PERSISTENT_SETTINGS,
+	ALC256_FIXUP_SET_COEF_DEFAULTS,
 	ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE,
 	ALC233_FIXUP_NO_AUDIO_JACK,
 };
···
 		.chained = true,
 		.chain_id = ALC269_FIXUP_HEADSET_MODE,
 	},
-	[ALC256_FIXUP_TONGFANG_RESET_PERSISTENT_SETTINGS] = {
+	[ALC256_FIXUP_SET_COEF_DEFAULTS] = {
 		.type = HDA_FIXUP_FUNC,
-		.v.func = alc256_fixup_tongfang_reset_persistent_settings,
+		.v.func = alc256_fixup_set_coef_defaults,
 	},
 	[ALC245_FIXUP_HP_GPIO_LED] = {
 		.type = HDA_FIXUP_FUNC,
···
 	SND_PCI_QUIRK(0x1b7d, 0xa831, "Ordissimo EVE2 ", ALC269VB_FIXUP_ORDISSIMO_EVE2), /* Also known as Malata PC-B1303 */
 	SND_PCI_QUIRK(0x1c06, 0x2013, "Lemote A1802", ALC269_FIXUP_LEMOTE_A1802),
 	SND_PCI_QUIRK(0x1c06, 0x2015, "Lemote A190X", ALC269_FIXUP_LEMOTE_A190X),
-	SND_PCI_QUIRK(0x1d05, 0x1132, "TongFang PHxTxX1", ALC256_FIXUP_TONGFANG_RESET_PERSISTENT_SETTINGS),
+	SND_PCI_QUIRK(0x1d05, 0x1132, "TongFang PHxTxX1", ALC256_FIXUP_SET_COEF_DEFAULTS),
 	SND_PCI_QUIRK(0x1d72, 0x1602, "RedmiBook", ALC255_FIXUP_XIAOMI_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1d72, 0x1701, "XiaomiNotebook Pro", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1d72, 0x1901, "RedmiBook 14", ALC256_FIXUP_ASUS_HEADSET_MIC),
···
 	}
 }
 
+static void alc897_hp_automute_hook(struct hda_codec *codec,
+					 struct hda_jack_callback *jack)
+{
+	struct alc_spec *spec = codec->spec;
+	int vref;
+
+	snd_hda_gen_hp_automute(codec, jack);
+	vref = spec->gen.hp_jack_present ? (PIN_HP | AC_PINCTL_VREF_100) : PIN_HP;
+	snd_hda_codec_write(codec, 0x1b, 0, AC_VERB_SET_PIN_WIDGET_CONTROL,
+			    vref);
+}
+
+static void alc897_fixup_lenovo_headset_mic(struct hda_codec *codec,
+				     const struct hda_fixup *fix, int action)
+{
+	struct alc_spec *spec = codec->spec;
+	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+		spec->gen.hp_automute_hook = alc897_hp_automute_hook;
+	}
+}
+
 static const struct coef_fw alc668_coefs[] = {
 	WRITE_COEF(0x01, 0xbebe), WRITE_COEF(0x02, 0xaaaa), WRITE_COEF(0x03,    0x0),
 	WRITE_COEF(0x04, 0x0180), WRITE_COEF(0x06,    0x0), WRITE_COEF(0x07, 0x0f80),
···
 	ALC668_FIXUP_ASUS_NO_HEADSET_MIC,
 	ALC668_FIXUP_HEADSET_MIC,
 	ALC668_FIXUP_MIC_DET_COEF,
+	ALC897_FIXUP_LENOVO_HEADSET_MIC,
+	ALC897_FIXUP_HEADSET_MIC_PIN,
 };
 
 static const struct hda_fixup alc662_fixups[] = {
···
 			{}
 		},
 	},
+	[ALC897_FIXUP_LENOVO_HEADSET_MIC] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc897_fixup_lenovo_headset_mic,
+	},
+	[ALC897_FIXUP_HEADSET_MIC_PIN] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			{ 0x1a, 0x03a11050 },
+			{ }
+		},
+		.chained = true,
+		.chain_id = ALC897_FIXUP_LENOVO_HEADSET_MIC
+	},
 };
 
 static const struct snd_pci_quirk alc662_fixup_tbl[] = {
···
 	SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD),
 	SND_PCI_QUIRK(0x14cd, 0x5003, "USI", ALC662_FIXUP_USI_HEADSET_MODE),
 	SND_PCI_QUIRK(0x17aa, 0x1036, "Lenovo P520", ALC662_FIXUP_LENOVO_MULTI_CODECS),
+	SND_PCI_QUIRK(0x17aa, 0x32ca, "Lenovo ThinkCentre M80", ALC897_FIXUP_HEADSET_MIC_PIN),
+	SND_PCI_QUIRK(0x17aa, 0x32cb, "Lenovo ThinkCentre M70", ALC897_FIXUP_HEADSET_MIC_PIN),
+	SND_PCI_QUIRK(0x17aa, 0x32cf, "Lenovo ThinkCentre M950", ALC897_FIXUP_HEADSET_MIC_PIN),
+	SND_PCI_QUIRK(0x17aa, 0x32f7, "Lenovo ThinkCentre M90", ALC897_FIXUP_HEADSET_MIC_PIN),
 	SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo Ideapad Y550P", ALC662_FIXUP_IDEAPAD),
 	SND_PCI_QUIRK(0x17aa, 0x3a0d, "Lenovo Ideapad Y550", ALC662_FIXUP_IDEAPAD),
 	SND_PCI_QUIRK(0x1849, 0x5892, "ASRock B150M", ALC892_FIXUP_ASROCK_MOBO),

sound/soc/amd/yc/pci-acp6x.c

···
 {
 	struct acp6x_dev_data *adata;
 	struct platform_device_info pdevinfo[ACP6x_DEVS];
-	int ret, index;
+	int index = 0;
 	int val = 0x00;
 	u32 addr;
 	unsigned int irqflags;
+	int ret;
 
 	irqflags = IRQF_SHARED;
 	/* Yellow Carp device check */

sound/soc/codecs/rt5682.c

···
 
 	for (i = 0; i < RT5682_DAI_NUM_CLKS; ++i) {
 		struct clk_init_data init = { };
+		struct clk_parent_data parent_data;
+		const struct clk_hw *parent;
 
 		dai_clk_hw = &rt5682->dai_clks_hw[i];
 
···
 		case RT5682_DAI_WCLK_IDX:
 			/* Make MCLK the parent of WCLK */
 			if (rt5682->mclk) {
-				init.parent_data = &(struct clk_parent_data){
+				parent_data = (struct clk_parent_data){
 					.fw_name = "mclk",
 				};
+				init.parent_data = &parent_data;
 				init.num_parents = 1;
 			}
 			break;
 		case RT5682_DAI_BCLK_IDX:
 			/* Make WCLK the parent of BCLK */
-			init.parent_hws = &(const struct clk_hw *){
-				&rt5682->dai_clks_hw[RT5682_DAI_WCLK_IDX]
-			};
+			parent = &rt5682->dai_clks_hw[RT5682_DAI_WCLK_IDX];
+			init.parent_hws = &parent;
 			init.num_parents = 1;
 			break;
 		default:

sound/soc/codecs/rt5682s.c

···
 
 	for (i = 0; i < RT5682S_DAI_NUM_CLKS; ++i) {
 		struct clk_init_data init = { };
+		struct clk_parent_data parent_data;
+		const struct clk_hw *parent;
 
 		dai_clk_hw = &rt5682s->dai_clks_hw[i];
 
···
 		case RT5682S_DAI_WCLK_IDX:
 			/* Make MCLK the parent of WCLK */
 			if (rt5682s->mclk) {
-				init.parent_data = &(struct clk_parent_data){
+				parent_data = (struct clk_parent_data){
 					.fw_name = "mclk",
 				};
+				init.parent_data = &parent_data;
 				init.num_parents = 1;
 			}
 			break;
 		case RT5682S_DAI_BCLK_IDX:
 			/* Make WCLK the parent of BCLK */
-			init.parent_hws = &(const struct clk_hw *){
-				&rt5682s->dai_clks_hw[RT5682S_DAI_WCLK_IDX]
-			};
+			parent = &rt5682s->dai_clks_hw[RT5682S_DAI_WCLK_IDX];
+			init.parent_hws = &parent;
 			init.num_parents = 1;
 			break;
 		default:

sound/soc/codecs/wcd934x.c

···
 	int value = ucontrol->value.integer.value[0];
 	int sel;
 
+	if (wcd->comp_enabled[comp] == value)
+		return 0;
+
 	wcd->comp_enabled[comp] = value;
 	sel = value ? WCD934X_HPH_GAIN_SRC_SEL_COMPANDER :
 		WCD934X_HPH_GAIN_SRC_SEL_REGISTER;
···
 	case COMPANDER_8:
 		break;
 	default:
-		break;
+		return 0;
 	}
 
-	return 0;
+	return 1;
 }
 
 static int wcd934x_rx_hph_mode_get(struct snd_kcontrol *kc,
···
 	return 0;
 }
 
+static int slim_rx_mux_to_dai_id(int mux)
+{
+	int aif_id;
+
+	switch (mux) {
+	case 1:
+		aif_id = AIF1_PB;
+		break;
+	case 2:
+		aif_id = AIF2_PB;
+		break;
+	case 3:
+		aif_id = AIF3_PB;
+		break;
+	case 4:
+		aif_id = AIF4_PB;
+		break;
+	default:
+		aif_id = -1;
+		break;
+	}
+
+	return aif_id;
+}
+
 static int slim_rx_mux_put(struct snd_kcontrol *kc,
 			   struct snd_ctl_elem_value *ucontrol)
 {
···
 	struct wcd934x_codec *wcd = dev_get_drvdata(w->dapm->dev);
 	struct soc_enum *e = (struct soc_enum *)kc->private_value;
 	struct snd_soc_dapm_update *update = NULL;
+	struct wcd934x_slim_ch *ch, *c;
 	u32 port_id = w->shift;
+	bool found = false;
+	int mux_idx;
+	int prev_mux_idx = wcd->rx_port_value[port_id];
+	int aif_id;
 
-	if (wcd->rx_port_value[port_id] == ucontrol->value.enumerated.item[0])
+	mux_idx = ucontrol->value.enumerated.item[0];
+
+	if (mux_idx == prev_mux_idx)
 		return 0;
 
-	wcd->rx_port_value[port_id] = ucontrol->value.enumerated.item[0];
-
-	switch (wcd->rx_port_value[port_id]) {
+	switch(mux_idx) {
 	case 0:
-		list_del_init(&wcd->rx_chs[port_id].list);
+		aif_id = slim_rx_mux_to_dai_id(prev_mux_idx);
+		if (aif_id < 0)
+			return 0;
+
+		list_for_each_entry_safe(ch, c, &wcd->dai[aif_id].slim_ch_list, list) {
+			if (ch->port == port_id + WCD934X_RX_START) {
+				found = true;
+				list_del_init(&ch->list);
+				break;
+			}
+		}
+		if (!found)
+			return 0;
+
 		break;
-	case 1:
-		list_add_tail(&wcd->rx_chs[port_id].list,
-			      &wcd->dai[AIF1_PB].slim_ch_list);
+	case 1 ... 4:
+		aif_id = slim_rx_mux_to_dai_id(mux_idx);
+		if (aif_id < 0)
+			return 0;
+
+		if (list_empty(&wcd->rx_chs[port_id].list)) {
+			list_add_tail(&wcd->rx_chs[port_id].list,
+				      &wcd->dai[aif_id].slim_ch_list);
+		} else {
+			dev_err(wcd->dev ,"SLIM_RX%d PORT is busy\n", port_id);
+			return 0;
+		}
 		break;
-	case 2:
-		list_add_tail(&wcd->rx_chs[port_id].list,
-			      &wcd->dai[AIF2_PB].slim_ch_list);
-		break;
-	case 3:
-		list_add_tail(&wcd->rx_chs[port_id].list,
-			      &wcd->dai[AIF3_PB].slim_ch_list);
-		break;
-	case 4:
-		list_add_tail(&wcd->rx_chs[port_id].list,
-			      &wcd->dai[AIF4_PB].slim_ch_list);
-		break;
+
 	default:
-		dev_err(wcd->dev, "Unknown AIF %d\n",
-			wcd->rx_port_value[port_id]);
+		dev_err(wcd->dev, "Unknown AIF %d\n", mux_idx);
 		goto err;
 	}
 
+	wcd->rx_port_value[port_id] = mux_idx;
 	snd_soc_dapm_mux_update_power(w->dapm, kc, wcd->rx_port_value[port_id],
 				      e, update);
 
-	return 0;
+	return 1;
 err:
 	return -EINVAL;
 }
···
 	struct soc_mixer_control *mixer =
 			(struct soc_mixer_control *)kc->private_value;
 	int enable = ucontrol->value.integer.value[0];
+	struct wcd934x_slim_ch *ch, *c;
 	int dai_id = widget->shift;
 	int port_id = mixer->shift;
 
···
 	if (enable == wcd->tx_port_value[port_id])
 		return 0;
 
+	if (enable) {
+		if (list_empty(&wcd->tx_chs[port_id].list)) {
+			list_add_tail(&wcd->tx_chs[port_id].list,
+				      &wcd->dai[dai_id].slim_ch_list);
+		} else {
+			dev_err(wcd->dev ,"SLIM_TX%d PORT is busy\n", port_id);
+			return 0;
+		}
+	 } else {
+		bool found = false;
+
+		list_for_each_entry_safe(ch, c, &wcd->dai[dai_id].slim_ch_list, list) {
+			if (ch->port == port_id) {
+				found = true;
+				list_del_init(&wcd->tx_chs[port_id].list);
+				break;
+			}
+		}
+		if (!found)
+			return 0;
+	 }
+
 	wcd->tx_port_value[port_id] = enable;
-
-	if (enable)
-		list_add_tail(&wcd->tx_chs[port_id].list,
-			      &wcd->dai[dai_id].slim_ch_list);
-	else
-		list_del_init(&wcd->tx_chs[port_id].list);
-
 	snd_soc_dapm_mixer_update_power(widget->dapm, kc, enable, update);
 
-	return 0;
+	return 1;
 }
 
 static const struct snd_kcontrol_new aif1_slim_cap_mixer[] = {

sound/soc/codecs/wsa881x.c

···
 
 		usleep_range(1000, 1010);
 	}
-	return 0;
+
+	return 1;
 }
 
 static int wsa881x_get_port(struct snd_kcontrol *kcontrol,
···
 		(struct soc_mixer_control *)kcontrol->private_value;
 	int portidx = mixer->reg;
 
-	if (ucontrol->value.integer.value[0])
+	if (ucontrol->value.integer.value[0]) {
+		if (data->port_enable[portidx])
+			return 0;
+
 		data->port_enable[portidx] = true;
-	else
+	} else {
+		if (!data->port_enable[portidx])
+			return 0;
+
 		data->port_enable[portidx] = false;
+	}
 
 	if (portidx == WSA881X_PORT_BOOST) /* Boost Switch */
 		wsa881x_boost_ctrl(comp, data->port_enable[portidx]);
 
-	return 0;
+	return 1;
 }
 
 static const char * const smart_boost_lvl_text[] = {

sound/soc/qcom/qdsp6/q6routing.c

···
 	struct session_data *session = &data->sessions[session_id];
 
 	if (ucontrol->value.integer.value[0]) {
+		if (session->port_id == be_id)
+			return 0;
+
 		session->port_id = be_id;
 		snd_soc_dapm_mixer_update_power(dapm, kcontrol, 1, update);
 	} else {
-		if (session->port_id == be_id) {
-			session->port_id = -1;
+		if (session->port_id == -1 || session->port_id != be_id)
 			return 0;
-		}
 
+		session->port_id = -1;
 		snd_soc_dapm_mixer_update_power(dapm, kcontrol, 0, update);
 	}
 

sound/soc/rockchip/rockchip_i2s_tdm.c

···
 	spinlock_t lock; /* xfer lock */
 	bool has_playback;
 	bool has_capture;
+	struct snd_soc_dai_driver *dai;
 };
 
 static int to_ch_num(unsigned int val)
···
 	{},
 };
 
-static struct snd_soc_dai_driver i2s_tdm_dai = {
+static const struct snd_soc_dai_driver i2s_tdm_dai = {
 	.probe = rockchip_i2s_tdm_dai_probe,
-	.playback = {
-		.stream_name  = "Playback",
-	},
-	.capture = {
-		.stream_name  = "Capture",
-	},
 	.ops = &rockchip_i2s_tdm_dai_ops,
 };
 
-static void rockchip_i2s_tdm_init_dai(struct rk_i2s_tdm_dev *i2s_tdm)
+static int rockchip_i2s_tdm_init_dai(struct rk_i2s_tdm_dev *i2s_tdm)
 {
+	struct snd_soc_dai_driver *dai;
 	struct property *dma_names;
 	const char *dma_name;
 	u64 formats = (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |
···
 			i2s_tdm->has_capture = true;
 	}
 
+	dai = devm_kmemdup(i2s_tdm->dev, &i2s_tdm_dai,
+			   sizeof(*dai), GFP_KERNEL);
+	if (!dai)
+		return -ENOMEM;
+
 	if (i2s_tdm->has_playback) {
-		i2s_tdm_dai.playback.channels_min = 2;
-		i2s_tdm_dai.playback.channels_max = 8;
-		i2s_tdm_dai.playback.rates = SNDRV_PCM_RATE_8000_192000;
-		i2s_tdm_dai.playback.formats = formats;
+		dai->playback.stream_name  = "Playback";
+		dai->playback.channels_min = 2;
+		dai->playback.channels_max = 8;
+		dai->playback.rates = SNDRV_PCM_RATE_8000_192000;
+		dai->playback.formats = formats;
 	}
 
 	if (i2s_tdm->has_capture) {
-		i2s_tdm_dai.capture.channels_min = 2;
-		i2s_tdm_dai.capture.channels_max = 8;
-		i2s_tdm_dai.capture.rates = SNDRV_PCM_RATE_8000_192000;
-		i2s_tdm_dai.capture.formats = formats;
+		dai->capture.stream_name  = "Capture";
+		dai->capture.channels_min = 2;
+		dai->capture.channels_max = 8;
+		dai->capture.rates = SNDRV_PCM_RATE_8000_192000;
+		dai->capture.formats = formats;
 	}
+
+	if (i2s_tdm->clk_trcm != TRCM_TXRX)
+		dai->symmetric_rate = 1;
+
+	i2s_tdm->dai = dai;
+
+	return 0;
 }
 
 static int rockchip_i2s_tdm_path_check(struct rk_i2s_tdm_dev *i2s_tdm,
···
 	spin_lock_init(&i2s_tdm->lock);
 	i2s_tdm->soc_data = (struct rk_i2s_soc_data *)of_id->data;
 
-	rockchip_i2s_tdm_init_dai(i2s_tdm);
-
 	i2s_tdm->frame_width = 64;
 
 	i2s_tdm->clk_trcm = TRCM_TXRX;
···
 		}
 		i2s_tdm->clk_trcm = TRCM_RX;
 	}
-	if (i2s_tdm->clk_trcm != TRCM_TXRX)
-		i2s_tdm_dai.symmetric_rate = 1;
+
+	ret = rockchip_i2s_tdm_init_dai(i2s_tdm);
+	if (ret)
+		return ret;
 
 	i2s_tdm->grf = syscon_regmap_lookup_by_phandle(node, "rockchip,grf");
 	if (IS_ERR(i2s_tdm->grf))
···
 
 	ret = devm_snd_soc_register_component(&pdev->dev,
 					      &rockchip_i2s_tdm_component,
-					      &i2s_tdm_dai, 1);
+					      i2s_tdm->dai, 1);
 
 	if (ret) {
 		dev_err(&pdev->dev, "Could not register DAI\n");

sound/soc/sof/intel/hda-codec.c

···
 
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
 #define IDISP_VID_INTEL	0x80860000
+#define CODEC_PROBE_RETRIES 3
 
 /* load the legacy HDA codec driver */
 static int request_codec_module(struct hda_codec *codec)
···
 	u32 hda_cmd = (address << 28) | (AC_NODE_ROOT << 20) |
 		(AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
 	u32 resp = -1;
-	int ret;
+	int ret, retry = 0;
 
-	mutex_lock(&hbus->core.cmd_mutex);
-	snd_hdac_bus_send_cmd(&hbus->core, hda_cmd);
-	snd_hdac_bus_get_response(&hbus->core, address, &resp);
-	mutex_unlock(&hbus->core.cmd_mutex);
+	do {
+		mutex_lock(&hbus->core.cmd_mutex);
+		snd_hdac_bus_send_cmd(&hbus->core, hda_cmd);
+		snd_hdac_bus_get_response(&hbus->core, address, &resp);
+		mutex_unlock(&hbus->core.cmd_mutex);
+	} while (resp == -1 && retry++ < CODEC_PROBE_RETRIES);
+
 	if (resp == -1)
 		return -EIO;
 	dev_dbg(sdev->dev, "HDA codec #%d probed OK: response: %x\n",

sound/soc/tegra/tegra210_adx.c

···
 static const struct dev_pm_ops tegra210_adx_pm_ops = {
 	SET_RUNTIME_PM_OPS(tegra210_adx_runtime_suspend,
 			   tegra210_adx_runtime_resume, NULL)
-	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				     pm_runtime_force_resume)
+	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				pm_runtime_force_resume)
 };
 
 static struct platform_driver tegra210_adx_driver = {

sound/soc/tegra/tegra210_amx.c

···
 static const struct dev_pm_ops tegra210_amx_pm_ops = {
 	SET_RUNTIME_PM_OPS(tegra210_amx_runtime_suspend,
 			   tegra210_amx_runtime_resume, NULL)
-	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				     pm_runtime_force_resume)
+	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				pm_runtime_force_resume)
 };
 
 static struct platform_driver tegra210_amx_driver = {

sound/soc/tegra/tegra210_mixer.c

···
 static const struct dev_pm_ops tegra210_mixer_pm_ops = {
 	SET_RUNTIME_PM_OPS(tegra210_mixer_runtime_suspend,
 			   tegra210_mixer_runtime_resume, NULL)
-	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				     pm_runtime_force_resume)
+	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				pm_runtime_force_resume)
 };
 
 static struct platform_driver tegra210_mixer_driver = {

sound/soc/tegra/tegra210_mvc.c

···
 	if (err < 0)
 		goto end;
 
-	return 1;
+	err = 1;
 
 end:
 	pm_runtime_put(cmpnt->dev);
···
 			   TEGRA210_MVC_VOLUME_SWITCH_MASK,
 			   TEGRA210_MVC_VOLUME_SWITCH_TRIGGER);
 
-	return 1;
+	err = 1;
 
 end:
 	pm_runtime_put(cmpnt->dev);
···
 static const struct dev_pm_ops tegra210_mvc_pm_ops = {
 	SET_RUNTIME_PM_OPS(tegra210_mvc_runtime_suspend,
 			   tegra210_mvc_runtime_resume, NULL)
-	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				     pm_runtime_force_resume)
+	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				pm_runtime_force_resume)
 };
 
 static struct platform_driver tegra210_mvc_driver = {

sound/soc/tegra/tegra210_sfc.c

···
 static const struct dev_pm_ops tegra210_sfc_pm_ops = {
 	SET_RUNTIME_PM_OPS(tegra210_sfc_runtime_suspend,
 			   tegra210_sfc_runtime_resume, NULL)
-	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-				     pm_runtime_force_resume)
+	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				pm_runtime_force_resume)
 };
 
 static struct platform_driver tegra210_sfc_driver = {

sound/usb/mixer_quirks.c

···
 
 
 static const struct snd_djm_device snd_djm_devices[] = {
-	SND_DJM_DEVICE(250mk2),
-	SND_DJM_DEVICE(750),
-	SND_DJM_DEVICE(750mk2),
-	SND_DJM_DEVICE(850),
-	SND_DJM_DEVICE(900nxs2)
+	[SND_DJM_250MK2_IDX] = SND_DJM_DEVICE(250mk2),
+	[SND_DJM_750_IDX] = SND_DJM_DEVICE(750),
+	[SND_DJM_850_IDX] = SND_DJM_DEVICE(850),
+	[SND_DJM_900NXS2_IDX] = SND_DJM_DEVICE(900nxs2),
+	[SND_DJM_750MK2_IDX] = SND_DJM_DEVICE(750mk2),
 };
 
 

tools/bpf/resolve_btfids/main.c

···
 		int	 cnt;
 	};
 	int		 addr_cnt;
+	bool		 is_set;
 	Elf64_Addr	 addr[ADDR_CNT];
 };
 
···
 			 * in symbol's size, together with 'cnt' field hence
 			 * that - 1.
 			 */
-			if (id)
+			if (id) {
 				id->cnt = sym.st_size / sizeof(int) - 1;
+				id->is_set = true;
+			}
 		} else {
 			pr_err("FAILED unsupported prefix %s\n", prefix);
 			return -1;
···
 	int *ptr = data->d_buf;
 	int i;
 
-	if (!id->id) {
+	if (!id->id && !id->is_set)
 		pr_err("WARN: resolve_btfids: unresolved symbol %s\n", id->name);
-	}
 
 	for (i = 0; i < id->addr_cnt; i++) {
 		unsigned long addr = id->addr[i];

tools/build/Makefile.feature

···
         numa_num_possible_cpus          \
         libperl                         \
         libpython                       \
-        libpython-version               \
         libslang                        \
         libslang-include-subdir         \
         libtraceevent                   \

tools/build/feature/Makefile

···
          test-numa_num_possible_cpus.bin        \
          test-libperl.bin                       \
          test-libpython.bin                     \
-         test-libpython-version.bin             \
          test-libslang.bin                      \
          test-libslang-include-subdir.bin       \
          test-libtraceevent.bin                 \
···
 
 $(OUTPUT)test-libpython.bin:
 	$(BUILD) $(FLAGS_PYTHON_EMBED)
-
-$(OUTPUT)test-libpython-version.bin:
-	$(BUILD)
 
 $(OUTPUT)test-libbfd.bin:
 	$(BUILD) -DPACKAGE='"perf"' -lbfd -ldl

tools/build/feature/test-all.c

···
 # include "test-libpython.c"
 #undef main
 
-#define main main_test_libpython_version
-# include "test-libpython-version.c"
-#undef main
-
 #define main main_test_libperl
 # include "test-libperl.c"
 #undef main
···
 int main(int argc, char *argv[])
 {
 	main_test_libpython();
-	main_test_libpython_version();
 	main_test_libperl();
 	main_test_hello();
 	main_test_libelf();

tools/build/feature/test-libpython-version.c

···
-// SPDX-License-Identifier: GPL-2.0
-#include <Python.h>
-
-#if PY_VERSION_HEX >= 0x03000000
-	#error
-#endif
-
-int main(void)
-{
-	return 0;
-}

tools/include/linux/debug_locks.h

···
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _LIBLOCKDEP_DEBUG_LOCKS_H_
-#define _LIBLOCKDEP_DEBUG_LOCKS_H_
-
-#include <stddef.h>
-#include <linux/compiler.h>
-#include <asm/bug.h>
-
-#define DEBUG_LOCKS_WARN_ON(x) WARN_ON(x)
-
-extern bool debug_locks;
-extern bool debug_locks_silent;
-
-#endif

tools/include/linux/hardirq.h

···
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _LIBLOCKDEP_LINUX_HARDIRQ_H_
-#define _LIBLOCKDEP_LINUX_HARDIRQ_H_
-
-#define SOFTIRQ_BITS	0UL
-#define HARDIRQ_BITS	0UL
-#define SOFTIRQ_SHIFT	0UL
-#define HARDIRQ_SHIFT	0UL
-#define hardirq_count()	0UL
-#define softirq_count()	0UL
-
-#endif

tools/include/linux/irqflags.h

···
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_
-#define _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_
-
-# define lockdep_hardirq_context()	0
-# define lockdep_softirq_context(p)	0
-# define lockdep_hardirqs_enabled()	0
-# define lockdep_softirqs_enabled(p)	0
-# define lockdep_hardirq_enter()	do { } while (0)
-# define lockdep_hardirq_exit()		do { } while (0)
-# define lockdep_softirq_enter()	do { } while (0)
-# define lockdep_softirq_exit()		do { } while (0)
-# define INIT_TRACE_IRQFLAGS
-
-# define stop_critical_timings() do { } while (0)
-# define start_critical_timings() do { } while (0)
-
-#define raw_local_irq_disable() do { } while (0)
-#define raw_local_irq_enable() do { } while (0)
-#define raw_local_irq_save(flags) ((flags) = 0)
-#define raw_local_irq_restore(flags) ((void)(flags))
-#define raw_local_save_flags(flags) ((flags) = 0)
-#define raw_irqs_disabled_flags(flags) ((void)(flags))
-#define raw_irqs_disabled() 0
-#define raw_safe_halt()
-
-#define local_irq_enable() do { } while (0)
-#define local_irq_disable() do { } while (0)
-#define local_irq_save(flags) ((flags) = 0)
-#define local_irq_restore(flags) ((void)(flags))
-#define local_save_flags(flags)	((flags) = 0)
-#define irqs_disabled() (1)
-#define irqs_disabled_flags(flags) ((void)(flags), 0)
-#define safe_halt() do { } while (0)
-
-#define trace_lock_release(x, y)
-#define trace_lock_acquire(a, b, c, d, e, f, g)
-
-#endif

tools/include/linux/lockdep.h

···
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _LIBLOCKDEP_LOCKDEP_H_
-#define _LIBLOCKDEP_LOCKDEP_H_
-
-#include <sys/prctl.h>
-#include <sys/syscall.h>
-#include <string.h>
-#include <limits.h>
-#include <linux/utsname.h>
-#include <linux/compiler.h>
-#include <linux/export.h>
-#include <linux/kern_levels.h>
-#include <linux/err.h>
-#include <linux/rcu.h>
-#include <linux/list.h>
-#include <linux/hardirq.h>
-#include <unistd.h>
-
-#define MAX_LOCK_DEPTH 63UL
-
-#define asmlinkage
-#define __visible
-
-#include "../../../include/linux/lockdep.h"
-
-struct task_struct {
-	u64 curr_chain_key;
-	int lockdep_depth;
-	unsigned int lockdep_recursion;
-	struct held_lock held_locks[MAX_LOCK_DEPTH];
-	gfp_t lockdep_reclaim_gfp;
-	int pid;
-	int state;
-	char comm[17];
-};
-
-#define TASK_RUNNING 0
-
-extern struct task_struct *__curr(void);
-
-#define current (__curr())
-
-static inline int debug_locks_off(void)
-{
-	return 1;
-}
-
-#define task_pid_nr(tsk) ((tsk)->pid)
-
-#define KSYM_NAME_LEN 128
-#define printk(...) dprintf(STDOUT_FILENO, __VA_ARGS__)
-#define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
-#define pr_warn pr_err
-#define pr_cont pr_err
-
-#define list_del_rcu list_del
-
-#define atomic_t unsigned long
-#define atomic_inc(x) ((*(x))++)
-
-#define print_tainted() ""
-#define static_obj(x) 1
-
-#define debug_show_all_locks()
-extern void debug_check_no_locks_held(void);
-
-static __used bool __is_kernel_percpu_address(unsigned long addr, void *can_addr)
-{
-	return false;
-}
-
-#endif

tools/include/linux/proc_fs.h

···
-#ifndef _TOOLS_INCLUDE_LINUX_PROC_FS_H
-#define _TOOLS_INCLUDE_LINUX_PROC_FS_H
-
-#endif /* _TOOLS_INCLUDE_LINUX_PROC_FS_H */

tools/include/linux/spinlock.h

···
 	return true;
 }
 
-#include <linux/lockdep.h>
-
 #endif

tools/include/linux/stacktrace.h

···
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_
-#define _LIBLOCKDEP_LINUX_STACKTRACE_H_
-
-#include <execinfo.h>
-
-struct stack_trace {
-	unsigned int nr_entries, max_entries;
-	unsigned long *entries;
-	int skip;
-};
-
-static inline void print_stack_trace(struct stack_trace *trace, int spaces)
-{
-	backtrace_symbols_fd((void **)trace->entries, trace->nr_entries, 1);
-}
-
-#define save_stack_trace(trace)	\
-	((trace)->nr_entries =	\
-		backtrace((void **)(trace)->entries, (trace)->max_entries))
-
-static inline int dump_stack(void)
-{
-	void *array[64];
-	size_t size;
-
-	size = backtrace(array, 64);
-	backtrace_symbols_fd(array, size, 1);
-
-	return 0;
-}
-
-#endif

tools/perf/Makefile.config

···
 
 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
-FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
-FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
 
 FEATURE_CHECK_LDFLAGS-libaio = -lrt
 

tools/perf/arch/powerpc/entry/syscalls/syscall.tbl

···
 446	common	landlock_restrict_self		sys_landlock_restrict_self
 # 447 reserved for memfd_secret
 448	common	process_mrelease		sys_process_mrelease
+449	common  futex_waitv                     sys_futex_waitv

tools/perf/arch/s390/entry/syscalls/syscall.tbl

···
 446  common	landlock_restrict_self	sys_landlock_restrict_self	sys_landlock_restrict_self
 # 447 reserved for memfd_secret
 448  common	process_mrelease	sys_process_mrelease		sys_process_mrelease
+449  common	futex_waitv		sys_futex_waitv			sys_futex_waitv

tools/perf/bench/sched-messaging.c

···
 		snd_ctx->out_fds[i] = fds[1];
 		if (!thread_mode)
 			close(fds[0]);
-
-		free(ctx);
 	}
 
 	/* Now we have all the fds, fork the senders */
···
 	if (!thread_mode)
 		for (i = 0; i < num_fds; i++)
 			close(snd_ctx->out_fds[i]);
-
-	free(snd_ctx);
 
 	/* Return number of children to reap */
 	return num_fds * 2;

tools/perf/builtin-inject.c

···
 		inject->tool.ordered_events = true;
 		inject->tool.ordering_requires_timestamps = true;
 		/* Allow space in the header for new attributes */
-		output_data_offset = 4096;
+		output_data_offset = roundup(8192 + session->header.data_offset, 4096);
 		if (inject->strip)
 			strip_init(inject);
 	}

tools/perf/tests/expr.c

···
 	TEST_ASSERT_VAL("#num_dies", expr__parse(&num_dies, ctx, "#num_dies") == 0);
 	TEST_ASSERT_VAL("#num_cores >= #num_dies", num_cores >= num_dies);
 	TEST_ASSERT_VAL("#num_packages", expr__parse(&num_packages, ctx, "#num_packages") == 0);
-	TEST_ASSERT_VAL("#num_dies >= #num_packages", num_dies >= num_packages);
+
+	if (num_dies) // Some platforms do not have CPU die support, for example s390
+		TEST_ASSERT_VAL("#num_dies >= #num_packages", num_dies >= num_packages);
 
 	/*
 	 * Source count returns the number of events aggregating in a leader

tools/perf/tests/parse-metric.c

···
 	struct evsel *evsel;
 	u64 count;
 
+	perf_stat__reset_shadow_stats();
 	evlist__for_each_entry(evlist, evsel) {
 		count = find_value(evsel->name, vals);
 		perf_stat__update_shadow_stats(evsel, count, 0, st);

tools/perf/util/bpf_skel/bperf.h

···
-// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-// Copyright (c) 2021 Facebook
-
-#ifndef __BPERF_STAT_H
-#define __BPERF_STAT_H
-
-typedef struct {
-	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
-	__uint(key_size, sizeof(__u32));
-	__uint(value_size, sizeof(struct bpf_perf_event_value));
-	__uint(max_entries, 1);
-} reading_map;
-
-#endif /* __BPERF_STAT_H */

tools/perf/util/bpf_skel/bperf_follower.bpf.c

···
 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 // Copyright (c) 2021 Facebook
-#include <linux/bpf.h>
-#include <linux/perf_event.h>
+#include "vmlinux.h"
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
-#include "bperf.h"
 #include "bperf_u.h"
 
-reading_map diff_readings SEC(".maps");
-reading_map accum_readings SEC(".maps");
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(struct bpf_perf_event_value));
+	__uint(max_entries, 1);
+} diff_readings SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(struct bpf_perf_event_value));
+	__uint(max_entries, 1);
+} accum_readings SEC(".maps");
 
 struct {
 	__uint(type, BPF_MAP_TYPE_HASH);

tools/perf/util/bpf_skel/bperf_leader.bpf.c

···
 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 // Copyright (c) 2021 Facebook
-#include <linux/bpf.h>
-#include <linux/perf_event.h>
+#include "vmlinux.h"
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
-#include "bperf.h"
 
 struct {
 	__uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
···
 	__uint(map_flags, BPF_F_PRESERVE_ELEMS);
 } events SEC(".maps");
 
-reading_map prev_readings SEC(".maps");
-reading_map diff_readings SEC(".maps");
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(struct bpf_perf_event_value));
+	__uint(max_entries, 1);
+} prev_readings SEC(".maps");
+
+struct {
+	__uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+	__uint(key_size, sizeof(__u32));
+	__uint(value_size, sizeof(struct bpf_perf_event_value));
+	__uint(max_entries, 1);
+} diff_readings SEC(".maps");
 
 SEC("raw_tp/sched_switch")
 int BPF_PROG(on_switch)

tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c

···
 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 // Copyright (c) 2020 Facebook
-#include <linux/bpf.h>
+#include "vmlinux.h"
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
 

tools/perf/util/event.h

···
 /* perf sample has 16 bits size limit */
 #define PERF_SAMPLE_MAX_SIZE (1 << 16)
 
+/* number of register is bound by the number of bits in regs_dump::mask (64) */
+#define PERF_SAMPLE_REGS_CACHE_SIZE (8 * sizeof(u64))
+
 struct regs_dump {
 	u64 abi;
 	u64 mask;
 	u64 *regs;
 
 	/* Cached values/mask filled by first register access. */
-	u64 cache_regs[PERF_REGS_MAX];
+	u64 cache_regs[PERF_SAMPLE_REGS_CACHE_SIZE];
 	u64 cache_mask;
 };
 

tools/perf/util/header.c

···
 #define FEAT_PROCESS_STR_FUN(__feat, __feat_env) \
 static int process_##__feat(struct feat_fd *ff, void *data __maybe_unused) \
 {\
+	free(ff->ph->env.__feat_env);		     \
 	ff->ph->env.__feat_env = do_read_string(ff); \
 	return ff->ph->env.__feat_env ? 0 : -ENOMEM; \
 }
···
 	struct perf_record_header_feature *fe = (struct perf_record_header_feature *)event;
 	int type = fe->header.type;
 	u64 feat = fe->feat_id;
+	int ret = 0;
 
 	if (type < 0 || type >= PERF_RECORD_HEADER_MAX) {
 		pr_warning("invalid record type %d in pipe-mode\n", type);
···
 	ff.size = event->header.size - sizeof(*fe);
 	ff.ph = &session->header;
 
-	if (feat_ops[feat].process(&ff, NULL))
-		return -1;
+	if (feat_ops[feat].process(&ff, NULL)) {
+		ret = -1;
+		goto out;
+	}
 
 	if (!feat_ops[feat].print || !tool->show_feat_hdr)
-		return 0;
+		goto out;
 
 	if (!feat_ops[feat].full_only ||
 	    tool->show_feat_hdr >= SHOW_FEAT_HEADER_FULL_INFO) {
···
 		fprintf(stdout, "# %s info available, use -I to display\n",
 			feat_ops[feat].name);
 	}
-
-	return 0;
+out:
+	free_event_desc(ff.events);
+	return ret;
 }
 
 size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp)

tools/perf/util/intel-pt-decoder/intel-pt-decoder.c

···
 
 static bool intel_pt_fup_event(struct intel_pt_decoder *decoder)
 {
+	enum intel_pt_sample_type type = decoder->state.type;
 	bool ret = false;
+
+	decoder->state.type &= ~INTEL_PT_BRANCH;
 
 	if (decoder->set_fup_tx_flags) {
 		decoder->set_fup_tx_flags = false;
 		decoder->tx_flags = decoder->fup_tx_flags;
-		decoder->state.type = INTEL_PT_TRANSACTION;
+		decoder->state.type |= INTEL_PT_TRANSACTION;
 		if (decoder->fup_tx_flags & INTEL_PT_ABORT_TX)
 			decoder->state.type |= INTEL_PT_BRANCH;
-		decoder->state.from_ip = decoder->ip;
-		decoder->state.to_ip = 0;
 		decoder->state.flags = decoder->fup_tx_flags;
-		return true;
+		ret = true;
 	}
 	if (decoder->set_fup_ptw) {
 		decoder->set_fup_ptw = false;
-		decoder->state.type = INTEL_PT_PTW;
+		decoder->state.type |= INTEL_PT_PTW;
 		decoder->state.flags |= INTEL_PT_FUP_IP;
-		decoder->state.from_ip = decoder->ip;
-		decoder->state.to_ip = 0;
 		decoder->state.ptw_payload = decoder->fup_ptw_payload;
-		return true;
+		ret = true;
 	}
 	if (decoder->set_fup_mwait) {
 		decoder->set_fup_mwait = false;
-		decoder->state.type = INTEL_PT_MWAIT_OP;
-		decoder->state.from_ip = decoder->ip;
-		decoder->state.to_ip = 0;
+		decoder->state.type |= INTEL_PT_MWAIT_OP;
 		decoder->state.mwait_payload = decoder->fup_mwait_payload;
 		ret = true;
 	}
 	if (decoder->set_fup_pwre) {
 		decoder->set_fup_pwre = false;
 		decoder->state.type |= INTEL_PT_PWR_ENTRY;
-		decoder->state.type &= ~INTEL_PT_BRANCH;
-		decoder->state.from_ip = decoder->ip;
-		decoder->state.to_ip = 0;
 		decoder->state.pwre_payload = decoder->fup_pwre_payload;
 		ret = true;
 	}
 	if (decoder->set_fup_exstop) {
 		decoder->set_fup_exstop = false;
 		decoder->state.type |= INTEL_PT_EX_STOP;
-		decoder->state.type &= ~INTEL_PT_BRANCH;
 		decoder->state.flags |= INTEL_PT_FUP_IP;
-		decoder->state.from_ip = decoder->ip;
-		decoder->state.to_ip = 0;
 		ret = true;
 	}
 	if (decoder->set_fup_bep) {
 		decoder->set_fup_bep = false;
 		decoder->state.type |= INTEL_PT_BLK_ITEMS;
-		decoder->state.type &= ~INTEL_PT_BRANCH;
+		ret = true;
+	}
+	if (decoder->overflow) {
+		decoder->overflow = false;
+		if (!ret && !decoder->pge) {
+			if (decoder->hop) {
+				decoder->state.type = 0;
+				decoder->pkt_state = INTEL_PT_STATE_RESAMPLE;
+			}
+			decoder->pge = true;
+			decoder->state.type |= INTEL_PT_BRANCH | INTEL_PT_TRACE_BEGIN;
+			decoder->state.from_ip = 0;
+			decoder->state.to_ip = decoder->ip;
+			return true;
+		}
+	}
+	if (ret) {
 		decoder->state.from_ip = decoder->ip;
 		decoder->state.to_ip = 0;
-		ret = true;
+	} else {
+		decoder->state.type = type;
 	}
 	return ret;
 }
···
 	intel_pt_clear_tx_flags(decoder);
 	intel_pt_set_nr(decoder);
 	decoder->timestamp_insn_cnt = 0;
-	decoder->pkt_state = INTEL_PT_STATE_ERR_RESYNC;
+	decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
+	decoder->state.from_ip = decoder->ip;
+	decoder->ip = 0;
+	decoder->pge = false;
+	decoder->set_fup_tx_flags = false;
+	decoder->set_fup_ptw = false;
+	decoder->set_fup_mwait = false;
+	decoder->set_fup_pwre = false;
+	decoder->set_fup_exstop = false;
+	decoder->set_fup_bep = false;
 	decoder->overflow = true;
 	return -EOVERFLOW;
 }
···
 /* Hop mode: Ignore TNT, do not walk code, but get ip from FUPs and TIPs */
 static int intel_pt_hop_trace(struct intel_pt_decoder *decoder, bool *no_tip, int *err)
 {
+	*err = 0;
+
 	/* Leap from PSB to PSB, getting ip from FUP within PSB+ */
 	if (decoder->leap && !decoder->in_psb && decoder->packet.type != INTEL_PT_PSB) {
 		*err = intel_pt_scan_for_psb(decoder);
···
 		return HOP_IGNORE;
 
 	case INTEL_PT_TIP_PGD:
+		decoder->pge = false;
 		if (!decoder->packet.count) {
 			intel_pt_set_nr(decoder);
 			return HOP_IGNORE;
···
 		if (!decoder->packet.count)
 			return HOP_IGNORE;
 		intel_pt_set_ip(decoder);
-		if (intel_pt_fup_event(decoder))
-			return HOP_RETURN;
-		if (!decoder->branch_enable)
+		if (decoder->set_fup_mwait || decoder->set_fup_pwre)
+			*no_tip = true;
+		if (!decoder->branch_enable || !decoder->pge)
 			*no_tip = true;
 		if (*no_tip) {
 			decoder->state.type = INTEL_PT_INSTRUCTION;
 			decoder->state.from_ip = decoder->ip;
 			decoder->state.to_ip = 0;
+			intel_pt_fup_event(decoder);
 			return HOP_RETURN;
 		}
+		intel_pt_fup_event(decoder);
+		decoder->state.type |= INTEL_PT_INSTRUCTION | INTEL_PT_BRANCH;
 		*err = intel_pt_walk_fup_tip(decoder);
-		if (!*err)
+		if (!*err && decoder->state.to_ip)
 			decoder->pkt_state = INTEL_PT_STATE_RESAMPLE;
 		return HOP_RETURN;
 
···
 {
 	struct intel_pt_psb_info data = { .fup = false };
 
-	if (!decoder->branch_enable || !decoder->pge)
+	if (!decoder->branch_enable)
 		return false;
 
 	intel_pt_pkt_lookahead(decoder, intel_pt_psb_lookahead_cb, &data);
···
 		if (err)
 			return err;
 next:
+		err = 0;
 		if (decoder->cyc_threshold) {
 			if (decoder->sample_cyc && last_packet_type != INTEL_PT_CYC)
 				decoder->sample_cyc = false;
···
 
 		case INTEL_PT_TIP_PGE: {
 			decoder->pge = true;
+			decoder->overflow = false;
 			intel_pt_mtc_cyc_cnt_pge(decoder);
 			intel_pt_set_nr(decoder);
 			if (decoder->packet.count == 0) {
···
 				break;
 			}
 			intel_pt_set_last_ip(decoder);
-			if (!decoder->branch_enable) {
+			if (!decoder->branch_enable || !decoder->pge) {
 				decoder->ip = decoder->last_ip;
 				if (intel_pt_fup_event(decoder))
 					return 0;
···
 	decoder->set_fup_pwre = false;
 	decoder->set_fup_exstop = false;
 	decoder->set_fup_bep = false;
+	decoder->overflow = false;
 
 	if (!decoder->branch_enable) {
 		decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
-		decoder->overflow = false;
 		decoder->state.type = 0; /* Do not have a sample */
 		return 0;
 	}
···
 		decoder->pkt_state = INTEL_PT_STATE_RESAMPLE;
 	else
 		decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
-	decoder->overflow = false;
 
 	decoder->state.from_ip = 0;
 	decoder->state.to_ip = decoder->ip;
···
 	}
 
 	decoder->have_last_ip = true;
-	decoder->pkt_state = INTEL_PT_STATE_NO_IP;
+	decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
 
 	err = intel_pt_walk_psb(decoder);
 	if (err)
···
 
 	if (err) {
 		decoder->state.err = intel_pt_ext_err(err);
-		decoder->state.from_ip = decoder->ip;
+		if (err != -EOVERFLOW)
+			decoder->state.from_ip = decoder->ip;
 		intel_pt_update_sample_time(decoder);
 		decoder->sample_tot_cyc_cnt = decoder->tot_cyc_cnt;
 		intel_pt_set_nr(decoder);

tools/perf/util/intel-pt.c

···
 				ptq->sync_switch = false;
 				intel_pt_next_tid(pt, ptq);
 			}
+			ptq->timestamp = state->est_timestamp;
 			if (pt->synth_opts.errors) {
 				err = intel_ptq_synth_error(ptq, state);
 				if (err)

tools/perf/util/perf_regs.c

···
 	int i, idx = 0;
 	u64 mask = regs->mask;
 
+	if ((u64)id >= PERF_SAMPLE_REGS_CACHE_SIZE)
+		return -EINVAL;
+
 	if (regs->cache_mask & (1ULL << id))
 		goto out;
 

tools/perf/util/python.c

···
 		struct tep_event *tp_format;
 
 		tp_format = trace_event__tp_format_id(evsel->core.attr.config);
-		if (!tp_format)
+		if (IS_ERR_OR_NULL(tp_format))
 			return NULL;
 
 		evsel->tp_format = tp_format;

tools/perf/util/smt.c

···
 	if (cached)
 		return cached_result;
 
-	if (sysfs__read_int("devices/system/cpu/smt/active", &cached_result) > 0)
+	if (sysfs__read_int("devices/system/cpu/smt/active", &cached_result) >= 0)
 		goto done;
 
 	ncpu = sysconf(_SC_NPROCESSORS_CONF);

tools/power/acpi/Makefile.config

···
 ACPICA_INCLUDE := $(srctree)/../../../drivers/acpi/acpica
 CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE)
 CFLAGS += $(WARNINGS)
+MKDIR = mkdir
 
 ifeq ($(strip $(V)),false)
 	QUIET=@

tools/power/acpi/Makefile.rules

···
 
 $(objdir)%.o: %.c $(KERNEL_INCLUDE)
 	$(ECHO) "  CC      " $(subst $(OUTPUT),,$@)
+	$(QUIET) $(MKDIR) -p $(objdir) 2>/dev/null
 	$(QUIET) $(CC) -c $(CFLAGS) -o $@ $<
 
 all: $(OUTPUT)$(TOOL)

tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c

···
 	.prog_type = BPF_PROG_TYPE_XDP,
 },
 {
-	"XDP pkt read, pkt_data' > pkt_end, good access",
+	"XDP pkt read, pkt_data' > pkt_end, corner case, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
+	"XDP pkt read, pkt_data' > pkt_end, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' > pkt_end, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
 	"XDP pkt read, pkt_end > pkt_data', good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_end > pkt_data', bad access 1",
+	"XDP pkt read, pkt_end > pkt_data', corner case -1, bad access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
 		    offsetof(struct xdp_md, data_end)),
 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
-	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
 	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
-	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
+	"XDP pkt read, pkt_end > pkt_data', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end > pkt_data', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
 	"XDP pkt read, pkt_data' < pkt_end, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_data' < pkt_end, bad access 1",
+	"XDP pkt read, pkt_data' < pkt_end, corner case -1, bad access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
 		    offsetof(struct xdp_md, data_end)),
 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
-	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
 	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
 	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
-	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_end < pkt_data', good access",
+	"XDP pkt read, pkt_data' < pkt_end, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' < pkt_end, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end < pkt_data', corner case, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
+	"XDP pkt read, pkt_end < pkt_data', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end < pkt_data', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
 	"XDP pkt read, pkt_data' >= pkt_end, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_data' >= pkt_end, bad access 1",
+	"XDP pkt read, pkt_data' >= pkt_end, corner case -1, bad access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
 		    offsetof(struct xdp_md, data_end)),
 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
-	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
 	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
-	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_end >= pkt_data', good access",
+	"XDP pkt read, pkt_data' >= pkt_end, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' >= pkt_end, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end >= pkt_data', corner case, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_data' <= pkt_end, good access",
+	"XDP pkt read, pkt_end >= pkt_data', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end >= pkt_data', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' <= pkt_end, corner case, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
+	"XDP pkt read, pkt_data' <= pkt_end, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data' <= pkt_end, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
 	"XDP pkt read, pkt_end <= pkt_data', good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_end <= pkt_data', bad access 1",
+	"XDP pkt read, pkt_end <= pkt_data', corner case -1, bad access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
 		    offsetof(struct xdp_md, data_end)),
 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
-	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
 	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
-	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_meta' > pkt_data, good access",
+	"XDP pkt read, pkt_end <= pkt_data', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_end <= pkt_data', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1,
+		    offsetof(struct xdp_md, data_end)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' > pkt_data, corner case, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
 		    offsetof(struct xdp_md, data_meta)),
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
+	"XDP pkt read, pkt_meta' > pkt_data, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' > pkt_data, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
 	"XDP pkt read, pkt_data > pkt_meta', good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_data > pkt_meta', bad access 1",
+	"XDP pkt read, pkt_data > pkt_meta', corner case -1, bad access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
 		    offsetof(struct xdp_md, data_meta)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
-	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
 	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
 	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
-	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
+	"XDP pkt read, pkt_data > pkt_meta', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data > pkt_meta', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
 	"XDP pkt read, pkt_meta' < pkt_data, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_meta' < pkt_data, bad access 1",
+	"XDP pkt read, pkt_meta' < pkt_data, corner case -1, bad access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
 		    offsetof(struct xdp_md, data_meta)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
-	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
 	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
 	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
-	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_data < pkt_meta', good access",
+	"XDP pkt read, pkt_meta' < pkt_data, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' < pkt_data, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data < pkt_meta', corner case, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
 		    offsetof(struct xdp_md, data_meta)),
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
+	"XDP pkt read, pkt_data < pkt_meta', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data < pkt_meta', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
 	"XDP pkt read, pkt_meta' >= pkt_data, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_meta' >= pkt_data, bad access 1",
+	"XDP pkt read, pkt_meta' >= pkt_data, corner case -1, bad access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
 		    offsetof(struct xdp_md, data_meta)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
-	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
 	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
-	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_data >= pkt_meta', good access",
+	"XDP pkt read, pkt_meta' >= pkt_data, corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' >= pkt_data, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data >= pkt_meta', corner case, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
 		    offsetof(struct xdp_md, data_meta)),
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_meta' <= pkt_data, good access",
+	"XDP pkt read, pkt_data >= pkt_meta', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data >= pkt_meta', corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' <= pkt_data, corner case, good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
 		    offsetof(struct xdp_md, data_meta)),
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
+	"XDP pkt read, pkt_meta' <= pkt_data, corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_meta' <= pkt_data, corner case -1, bad access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1),
+	BPF_JMP_IMM(BPF_JA, 0, 0, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.errstr = "R1 offset is outside of the packet",
+	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
 	"XDP pkt read, pkt_data <= pkt_meta', good access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
···
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
-	"XDP pkt read, pkt_data <= pkt_meta', bad access 1",
+	"XDP pkt read, pkt_data <= pkt_meta', corner case -1, bad access",
 	.insns = {
 	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
 		    offsetof(struct xdp_md, data_meta)),
 	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
 	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
-	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6),
 	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
-	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6),
 	BPF_MOV64_IMM(BPF_REG_0, 0),
 	BPF_EXIT_INSN(),
 	},
···
 	},
 	.errstr = "R1 offset is outside of the packet",
 	.result = REJECT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data <= pkt_meta', corner case, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
+	.prog_type = BPF_PROG_TYPE_XDP,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
+{
+	"XDP pkt read, pkt_data <= pkt_meta', corner case +1, good access",
+	.insns = {
+	BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
+		    offsetof(struct xdp_md, data_meta)),
+	BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)),
+	BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
+	BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8),
+	BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1),
+	BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8),
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.result = ACCEPT,
 	.prog_type = BPF_PROG_TYPE_XDP,
 	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },

tools/testing/selftests/damon/.gitignore

···
+# SPDX-License-Identifier: GPL-2.0-only
+huge_count_read_write

tools/testing/selftests/damon/Makefile

···
 # SPDX-License-Identifier: GPL-2.0
 # Makefile for damon selftests
 
-TEST_FILES = _chk_dependency.sh
-TEST_PROGS = debugfs_attrs.sh
+TEST_GEN_FILES += huge_count_read_write
+
+TEST_FILES = _chk_dependency.sh _debugfs_common.sh
+TEST_PROGS = debugfs_attrs.sh debugfs_schemes.sh debugfs_target_ids.sh
+TEST_PROGS += debugfs_empty_targets.sh debugfs_huge_count_read_write.sh
 
 include ../lib.mk

tools/testing/selftests/damon/_debugfs_common.sh

···
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+test_write_result() {
+	file=$1
+	content=$2
+	orig_content=$3
+	expect_reason=$4
+	expected=$5
+
+	echo "$content" > "$file"
+	if [ $? -ne "$expected" ]
+	then
+		echo "writing $content to $file doesn't return $expected"
+		echo "expected because: $expect_reason"
+		echo "$orig_content" > "$file"
+		exit 1
+	fi
+}
+
+test_write_succ() {
+	test_write_result "$1" "$2" "$3" "$4" 0
+}
+
+test_write_fail() {
+	test_write_result "$1" "$2" "$3" "$4" 1
+}
+
+test_content() {
+	file=$1
+	orig_content=$2
+	expected=$3
+	expect_reason=$4
+
+	content=$(cat "$file")
+	if [ "$content" != "$expected" ]
+	then
+		echo "reading $file expected $expected but $content"
+		echo "expected because: $expect_reason"
+		echo "$orig_content" > "$file"
+		exit 1
+	fi
+}
+
+source ./_chk_dependency.sh
+
+damon_onoff="$DBGFS/monitor_on"
+if [ $(cat "$damon_onoff") = "on" ]
+then
+	echo "monitoring is on"
+	exit $ksft_skip
+fi

tools/testing/selftests/damon/debugfs_attrs.sh

···
 #!/bin/bash
 # SPDX-License-Identifier: GPL-2.0
 
-test_write_result() {
-	file=$1
-	content=$2
-	orig_content=$3
-	expect_reason=$4
-	expected=$5
-
-	echo "$content" > "$file"
-	if [ $? -ne "$expected" ]
-	then
-		echo "writing $content to $file doesn't return $expected"
-		echo "expected because: $expect_reason"
-		echo "$orig_content" > "$file"
-		exit 1
-	fi
-}
-
-test_write_succ() {
-	test_write_result "$1" "$2" "$3" "$4" 0
-}
-
-test_write_fail() {
-	test_write_result "$1" "$2" "$3" "$4" 1
-}
-
-test_content() {
-	file=$1
-	orig_content=$2
-	expected=$3
-	expect_reason=$4
-
-	content=$(cat "$file")
-	if [ "$content" != "$expected" ]
-	then
-		echo "reading $file expected $expected but $content"
-		echo "expected because: $expect_reason"
-		echo "$orig_content" > "$file"
-		exit 1
-	fi
-}
-
-source ./_chk_dependency.sh
+source _debugfs_common.sh
 
 # Test attrs file
 # ===============
···
 	"min_nr_regions > max_nr_regions"
 test_content "$file" "$orig_content" "1 2 3 4 5" "successfully written"
 echo "$orig_content" > "$file"
-
-# Test schemes file
-# =================
-
-file="$DBGFS/schemes"
-orig_content=$(cat "$file")
-
-test_write_succ "$file" "1 2 3 4 5 6 4 0 0 0 1 2 3 1 100 3 2 1" \
-	"$orig_content" "valid input"
-test_write_fail "$file" "1 2
-3 4 5 6 3 0 0 0 1 2 3 1 100 3 2 1" "$orig_content" "multi lines"
-test_write_succ "$file" "" "$orig_content" "disabling"
-echo "$orig_content" > "$file"
-
-# Test target_ids file
-# ====================
-
-file="$DBGFS/target_ids"
-orig_content=$(cat "$file")
-
-test_write_succ "$file" "1 2 3 4" "$orig_content" "valid input"
-test_write_succ "$file" "1 2 abc 4" "$orig_content" "still valid input"
-test_content "$file" "$orig_content" "1 2" "non-integer was there"
-test_write_succ "$file" "abc 2 3" "$orig_content" "the file allows wrong input"
-test_content "$file" "$orig_content" "" "wrong input written"
-test_write_succ "$file" "" "$orig_content" "empty input"
-test_content "$file" "$orig_content" "" "empty input written"
-echo "$orig_content" > "$file"
-
-echo "PASS"

tools/testing/selftests/damon/debugfs_empty_targets.sh

···
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source _debugfs_common.sh
+
+# Test empty targets case
+# =======================
+
+orig_target_ids=$(cat "$DBGFS/target_ids")
+echo "" > "$DBGFS/target_ids"
+orig_monitor_on=$(cat "$DBGFS/monitor_on")
+test_write_fail "$DBGFS/monitor_on" "on" "orig_monitor_on" "empty target ids"
+echo "$orig_target_ids" > "$DBGFS/target_ids"

tools/testing/selftests/damon/debugfs_huge_count_read_write.sh

···
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source _debugfs_common.sh
+
+# Test huge count read write
+# ==========================
+
+dmesg -C
+
+for file in "$DBGFS/"*
+do
+	./huge_count_read_write "$file"
+done
+
+if dmesg | grep -q WARNING
+then
+	dmesg
+	exit 1
+else
+	exit 0
+fi

tools/testing/selftests/damon/debugfs_schemes.sh

···
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source _debugfs_common.sh
+
+# Test schemes file
+# =================
+
+file="$DBGFS/schemes"
+orig_content=$(cat "$file")
+
+test_write_succ "$file" "1 2 3 4 5 6 4 0 0 0 1 2 3 1 100 3 2 1" \
+	"$orig_content" "valid input"
+test_write_fail "$file" "1 2
[phone] 3 2 1" "$orig_content" "multi lines"
+test_write_succ "$file" "" "$orig_content" "disabling"
+test_write_fail "$file" "2 1 2 1 10 1 3 10 1 1 1 1 1 1 1 1 2 3" \
+	"$orig_content" "wrong condition ranges"
+echo "$orig_content" > "$file"

tools/testing/selftests/damon/debugfs_target_ids.sh

···
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source _debugfs_common.sh
+
+# Test target_ids file
+# ====================
+
+file="$DBGFS/target_ids"
+orig_content=$(cat "$file")
+
+test_write_succ "$file" "1 2 3 4" "$orig_content" "valid input"
+test_write_succ "$file" "1 2 abc 4" "$orig_content" "still valid input"
+test_content "$file" "$orig_content" "1 2" "non-integer was there"
+test_write_succ "$file" "abc 2 3" "$orig_content" "the file allows wrong input"
+test_content "$file" "$orig_content" "" "wrong input written"
+test_write_succ "$file" "" "$orig_content" "empty input"
+test_content "$file" "$orig_content" "" "empty input written"
+echo "$orig_content" > "$file"

tools/testing/selftests/damon/huge_count_read_write.c

···
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Author: SeongJae Park <[e-mail]>
+ */
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+void write_read_with_huge_count(char *file)
+{
+	int filedesc = open(file, O_RDWR);
+	char buf[25];
+	int ret;
+
+	printf("%s %s\n", __func__, file);
+	if (filedesc < 0) {
+		fprintf(stderr, "failed opening %s\n", file);
+		exit(1);
+	}
+
+	write(filedesc, "", 0xfffffffful);
+	perror("after write: ");
+	ret = read(filedesc, buf, 0xfffffffful);
+	perror("after read: ");
+	close(filedesc);
+}
+
+int main(int argc, char *argv[])
+{
+	if (argc != 2) {
+		fprintf(stderr, "Usage: %s <file>\n", argv[0]);
+		exit(1);
+	}
+	write_read_with_huge_count(argv[1]);
+
+	return 0;
+}

tools/testing/selftests/kvm/.gitignore

···
 /x86_64/svm_int_ctl_test
 /x86_64/sync_regs_test
 /x86_64/tsc_msrs_test
+/x86_64/userspace_io_test
 /x86_64/userspace_msr_exit_test
 /x86_64/vmx_apic_access_test
 /x86_64/vmx_close_while_nested_test

tools/testing/selftests/kvm/Makefile

···
 TEST_GEN_PROGS_x86_64 += x86_64/svm_vmcall_test
 TEST_GEN_PROGS_x86_64 += x86_64/svm_int_ctl_test
 TEST_GEN_PROGS_x86_64 += x86_64/sync_regs_test
+TEST_GEN_PROGS_x86_64 += x86_64/userspace_io_test
 TEST_GEN_PROGS_x86_64 += x86_64/userspace_msr_exit_test
 TEST_GEN_PROGS_x86_64 += x86_64/vmx_apic_access_test
 TEST_GEN_PROGS_x86_64 += x86_64/vmx_close_while_nested_test

tools/testing/selftests/kvm/include/kvm_util.h

···
 
 #endif
 
+#if defined(__x86_64__)
+unsigned long vm_compute_max_gfn(struct kvm_vm *vm);
+#else
+static inline unsigned long vm_compute_max_gfn(struct kvm_vm *vm)
+{
+	return ((1ULL << vm->pa_bits) >> vm->page_shift) - 1;
+}
+#endif
+
 #define MIN_PAGE_SIZE		(1U << MIN_PAGE_SHIFT)
 #define PTES_PER_MIN_PAGE	ptes_per_page(MIN_PAGE_SIZE)
 

tools/testing/selftests/kvm/lib/kvm_util.c

···
 		(1ULL << (vm->va_bits - 1)) >> vm->page_shift);
 
 	/* Limit physical addresses to PA-bits. */
-	vm->max_gfn = ((1ULL << vm->pa_bits) >> vm->page_shift) - 1;
+	vm->max_gfn = vm_compute_max_gfn(vm);
 
 	/* Allocate and setup memory for guest. */
 	vm->vpages_mapped = sparsebit_alloc();

tools/testing/selftests/kvm/lib/x86_64/processor.c

···
 
 	return cpuid;
 }
+
+#define X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx 0x68747541
+#define X86EMUL_CPUID_VENDOR_AuthenticAMD_ecx 0x444d4163
+#define X86EMUL_CPUID_VENDOR_AuthenticAMD_edx 0x69746e65
+
+static inline unsigned x86_family(unsigned int eax)
+{
+        unsigned int x86;
+
+        x86 = (eax >> 8) & 0xf;
+
+        if (x86 == 0xf)
+                x86 += (eax >> 20) & 0xff;
+
+        return x86;
+}
+
+unsigned long vm_compute_max_gfn(struct kvm_vm *vm)
+{
+	const unsigned long num_ht_pages = 12 << (30 - vm->page_shift); /* 12 GiB */
+	unsigned long ht_gfn, max_gfn, max_pfn;
+	uint32_t eax, ebx, ecx, edx, max_ext_leaf;
+
+	max_gfn = (1ULL << (vm->pa_bits - vm->page_shift)) - 1;
+
+	/* Avoid reserved HyperTransport region on AMD processors.  */
+	eax = ecx = 0;
+	cpuid(&eax, &ebx, &ecx, &edx);
+	if (ebx != X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx ||
+	    ecx != X86EMUL_CPUID_VENDOR_AuthenticAMD_ecx ||
+	    edx != X86EMUL_CPUID_VENDOR_AuthenticAMD_edx)
+		return max_gfn;
+
+	/* On parts with <40 physical address bits, the area is fully hidden */
+	if (vm->pa_bits < 40)
+		return max_gfn;
+
+	/* Before family 17h, the HyperTransport area is just below 1T.  */
+	ht_gfn = (1 << 28) - num_ht_pages;
+	eax = 1;
+	cpuid(&eax, &ebx, &ecx, &edx);
+	if (x86_family(eax) < 0x17)
+		goto done;
+
+	/*
+	 * Otherwise it's at the top of the physical address space, possibly
+	 * reduced due to SME by bits 11:6 of CPUID[0x8000001f].EBX.  Use
+	 * the old conservative value if MAXPHYADDR is not enumerated.
+	 */
+	eax = 0x80000000;
+	cpuid(&eax, &ebx, &ecx, &edx);
+	max_ext_leaf = eax;
+	if (max_ext_leaf < 0x80000008)
+		goto done;
+
+	eax = 0x80000008;
+	cpuid(&eax, &ebx, &ecx, &edx);
+	max_pfn = (1ULL << ((eax & 0xff) - vm->page_shift)) - 1;
+	if (max_ext_leaf >= 0x8000001f) {
+		eax = 0x8000001f;
+		cpuid(&eax, &ebx, &ecx, &edx);
+		max_pfn >>= (ebx >> 6) & 0x3f;
+	}
+
+	ht_gfn = max_pfn - num_ht_pages;
+done:
+	return min(max_gfn, ht_gfn - 1);
+}

tools/testing/selftests/kvm/x86_64/svm_int_ctl_test.c

···
 	vmcb->control.int_ctl &= ~V_INTR_MASKING_MASK;
 
 	/* No intercepts for real and virtual interrupts */
-	vmcb->control.intercept &= ~(1ULL << INTERCEPT_INTR | INTERCEPT_VINTR);
+	vmcb->control.intercept &= ~(BIT(INTERCEPT_INTR) | BIT(INTERCEPT_VINTR));
 
 	/* Make a virtual interrupt VINTR_IRQ_NUMBER pending */
 	vmcb->control.int_ctl |= V_IRQ_MASK | (0x1 << V_INTR_PRIO_SHIFT);

tools/testing/selftests/kvm/x86_64/userspace_io_test.c

···
+// SPDX-License-Identifier: GPL-2.0
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+
+#include "test_util.h"
+
+#include "kvm_util.h"
+#include "processor.h"
+
+#define VCPU_ID			1
+
+static void guest_ins_port80(uint8_t *buffer, unsigned int count)
+{
+	unsigned long end;
+
+	if (count == 2)
+		end = (unsigned long)buffer + 1;
+	else
+		end = (unsigned long)buffer + 8192;
+
+	asm volatile("cld; rep; insb" : "+D"(buffer), "+c"(count) : "d"(0x80) : "memory");
+	GUEST_ASSERT_1(count == 0, count);
+	GUEST_ASSERT_2((unsigned long)buffer == end, buffer, end);
+}
+
+static void guest_code(void)
+{
+	uint8_t buffer[8192];
+	int i;
+
+	/*
+	 * Special case tests.  main() will adjust RCX 2 => 1 and 3 => 8192 to
+	 * test that KVM doesn't explode when userspace modifies the "count" on
+	 * a userspace I/O exit.  KVM isn't required to play nice with the I/O
+	 * itself as KVM doesn't support manipulating the count, it just needs
+	 * to not explode or overflow a buffer.
+	 */
+	guest_ins_port80(buffer, 2);
+	guest_ins_port80(buffer, 3);
+
+	/* Verify KVM fills the buffer correctly when not stuffing RCX. */
+	memset(buffer, 0, sizeof(buffer));
+	guest_ins_port80(buffer, 8192);
+	for (i = 0; i < 8192; i++)
+		GUEST_ASSERT_2(buffer[i] == 0xaa, i, buffer[i]);
+
+	GUEST_DONE();
+}
+
+int main(int argc, char *argv[])
+{
+	struct kvm_regs regs;
+	struct kvm_run *run;
+	struct kvm_vm *vm;
+	struct ucall uc;
+	int rc;
+
+	/* Tell stdout not to buffer its content */
+	setbuf(stdout, NULL);
+
+	/* Create VM */
+	vm = vm_create_default(VCPU_ID, 0, guest_code);
+	run = vcpu_state(vm, VCPU_ID);
+
+	memset(&regs, 0, sizeof(regs));
+
+	while (1) {
+		rc = _vcpu_run(vm, VCPU_ID);
+
+		TEST_ASSERT(rc == 0, "vcpu_run failed: %d\n", rc);
+		TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
+			    "Unexpected exit reason: %u (%s),\n",
+			    run->exit_reason,
+			    exit_reason_str(run->exit_reason));
+
+		if (get_ucall(vm, VCPU_ID, &uc))
+			break;
+
+		TEST_ASSERT(run->io.port == 0x80,
+			    "Expected I/O at port 0x80, got port 0x%x\n", run->io.port);
+
+		/*
+		 * Modify the rep string count in RCX: 2 => 1 and 3 => 8192.
+		 * Note, this abuses KVM's batching of rep string I/O to avoid
+		 * getting stuck in an infinite loop.  That behavior isn't in
+		 * scope from a testing perspective as it's not ABI in any way,
+		 * i.e. it really is abusing internal KVM knowledge.
+		 */
+		vcpu_regs_get(vm, VCPU_ID, &regs);
+		if (regs.rcx == 2)
+			regs.rcx = 1;
+		if (regs.rcx == 3)
+			regs.rcx = 8192;
+		memset((void *)run + run->io.data_offset, 0xaa, 4096);
+		vcpu_regs_set(vm, VCPU_ID, &regs);
+	}
+
+	switch (uc.cmd) {
+	case UCALL_DONE:
+		break;
+	case UCALL_ABORT:
+		TEST_FAIL("%s at %s:%ld : argN+1 = 0x%lx, argN+2 = 0x%lx",
+			  (const char *)uc.args[0], __FILE__, uc.args[1],
+			  uc.args[2], uc.args[3]);
+	default:
+		TEST_FAIL("Unknown ucall %lu", uc.cmd);
+	}
+
+	kvm_vm_free(vm);
+	return 0;
+}

tools/testing/selftests/net/fcnal-test.sh

···
 
 printf "\nTests passed: %3d\n" ${nsuccess}
 printf "Tests failed: %3d\n"   ${nfail}
+
+if [ $nfail -ne 0 ]; then
+	exit 1 # KSFT_FAIL
+elif [ $nsuccess -eq 0 ]; then
+	exit $ksft_skip
+fi
+
+exit 0 # KSFT_PASS

tools/testing/selftests/net/fib_tests.sh

···
 	setup
 
 	set -e
+	ip netns add ns2
+	ip netns set ns2 auto
+
+	ip -netns ns2 link set dev lo up
+
+	$IP link add name veth1 type veth peer name veth2
+	$IP link set dev veth2 netns ns2
+	$IP address add 192.0.2.1/24 dev veth1
+	ip -netns ns2 address add 192.0.2.1/24 dev veth2
+	$IP link set dev veth1 up
+	ip -netns ns2 link set dev veth2 up
+
 	$IP link set dev lo address 52:54:00:6a:c7:5e
-	$IP link set dummy0 address 52:54:00:6a:c7:5e
-	$IP link add dummy1 type dummy
-	$IP link set dummy1 address 52:54:00:6a:c7:5e
-	$IP link set dev dummy1 up
+	$IP link set dev veth1 address 52:54:00:6a:c7:5e
+	ip -netns ns2 link set dev lo address 52:54:00:6a:c7:5e
+	ip -netns ns2 link set dev veth2 address 52:54:00:6a:c7:5e
+
+	# 1. (ns2) redirect lo's egress to veth2's egress
+	ip netns exec ns2 tc qdisc add dev lo parent root handle 1: fq_codel
+	ip netns exec ns2 tc filter add dev lo parent 1: protocol arp basic \
+		action mirred egress redirect dev veth2
+	ip netns exec ns2 tc filter add dev lo parent 1: protocol ip basic \
+		action mirred egress redirect dev veth2
+
+	# 2. (ns1) redirect veth1's ingress to lo's ingress
+	$NS_EXEC tc qdisc add dev veth1 ingress
+	$NS_EXEC tc filter add dev veth1 ingress protocol arp basic \
+		action mirred ingress redirect dev lo
+	$NS_EXEC tc filter add dev veth1 ingress protocol ip basic \
+		action mirred ingress redirect dev lo
+
+	# 3. (ns1) redirect lo's egress to veth1's egress
+	$NS_EXEC tc qdisc add dev lo parent root handle 1: fq_codel
+	$NS_EXEC tc filter add dev lo parent 1: protocol arp basic \
+		action mirred egress redirect dev veth1
+	$NS_EXEC tc filter add dev lo parent 1: protocol ip basic \
+		action mirred egress redirect dev veth1
+
+	# 4. (ns2) redirect veth2's ingress to lo's ingress
+	ip netns exec ns2 tc qdisc add dev veth2 ingress
+	ip netns exec ns2 tc filter add dev veth2 ingress protocol arp basic \
+		action mirred ingress redirect dev lo
+	ip netns exec ns2 tc filter add dev veth2 ingress protocol ip basic \
+		action mirred ingress redirect dev lo
+
 	$NS_EXEC sysctl -qw net.ipv4.conf.all.rp_filter=1
 	$NS_EXEC sysctl -qw net.ipv4.conf.all.accept_local=1
 	$NS_EXEC sysctl -qw net.ipv4.conf.all.route_localnet=1
-
-	$NS_EXEC tc qd add dev dummy1 parent root handle 1: fq_codel
-	$NS_EXEC tc filter add dev dummy1 parent 1: protocol arp basic action mirred egress redirect dev lo
-	$NS_EXEC tc filter add dev dummy1 parent 1: protocol ip basic action mirred egress redirect dev lo
+	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=1
+	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.accept_local=1
+	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.route_localnet=1
 	set +e
 
-	run_cmd "ip netns exec ns1 ping -I dummy1 -w1 -c1 198.51.100.1"
+	run_cmd "ip netns exec ns2 ping -w1 -c1 192.0.2.1"
 	log_test $? 0 "rp_filter passes local packets"
 
-	run_cmd "ip netns exec ns1 ping -I dummy1 -w1 -c1 127.0.0.1"
+	run_cmd "ip netns exec ns2 ping -w1 -c1 127.0.0.1"
 	log_test $? 0 "rp_filter passes loopback packets"
 
 	cleanup

tools/testing/selftests/net/tls.c

···
 		struct tls12_crypto_info_chacha20_poly1305 chacha20;
 		struct tls12_crypto_info_sm4_gcm sm4gcm;
 		struct tls12_crypto_info_sm4_ccm sm4ccm;
+		struct tls12_crypto_info_aes_ccm_128 aesccm128;
+		struct tls12_crypto_info_aes_gcm_256 aesgcm256;
 	};
 	size_t len;
 };
···
 		tls12->len = sizeof(struct tls12_crypto_info_sm4_ccm);
 		tls12->sm4ccm.info.version = tls_version;
 		tls12->sm4ccm.info.cipher_type = cipher_type;
+		break;
+	case TLS_CIPHER_AES_CCM_128:
+		tls12->len = sizeof(struct tls12_crypto_info_aes_ccm_128);
+		tls12->aesccm128.info.version = tls_version;
+		tls12->aesccm128.info.cipher_type = cipher_type;
+		break;
+	case TLS_CIPHER_AES_GCM_256:
+		tls12->len = sizeof(struct tls12_crypto_info_aes_gcm_256);
+		tls12->aesgcm256.info.version = tls_version;
+		tls12->aesgcm256.info.cipher_type = cipher_type;
 		break;
 	default:
 		break;
···
 {
 	.tls_version = TLS_1_3_VERSION,
 	.cipher_type = TLS_CIPHER_SM4_CCM,
+};
+
+FIXTURE_VARIANT_ADD(tls, 12_aes_ccm)
+{
+	.tls_version = TLS_1_2_VERSION,
+	.cipher_type = TLS_CIPHER_AES_CCM_128,
+};
+
+FIXTURE_VARIANT_ADD(tls, 13_aes_ccm)
+{
+	.tls_version = TLS_1_3_VERSION,
+	.cipher_type = TLS_CIPHER_AES_CCM_128,
+};
+
+FIXTURE_VARIANT_ADD(tls, 12_aes_gcm_256)
+{
+	.tls_version = TLS_1_2_VERSION,
+	.cipher_type = TLS_CIPHER_AES_GCM_256,
+};
+
+FIXTURE_VARIANT_ADD(tls, 13_aes_gcm_256)
+{
+	.tls_version = TLS_1_3_VERSION,
+	.cipher_type = TLS_CIPHER_AES_GCM_256,
 };
 
 FIXTURE_SETUP(tls)

tools/testing/selftests/netfilter/conntrack_vrf.sh

···
 # oifname is the vrf device.
 test_masquerade_vrf()
 {
+	local qdisc=$1
+
+	if [ "$qdisc" != "default" ]; then
+		tc -net $ns0 qdisc add dev tvrf root $qdisc
+	fi
+
 	ip netns exec $ns0 conntrack -F 2>/dev/null
 
 ip netns exec $ns0 nft -f - <<EOF
 flush ruleset
 table ip nat {
+	chain rawout {
+		type filter hook output priority raw;
+
+		oif tvrf ct state untracked counter
+	}
+	chain postrouting2 {
+		type filter hook postrouting priority mangle;
+
+		oif tvrf ct state untracked counter
+	}
 	chain postrouting {
 		type nat hook postrouting priority 0;
 		# NB: masquerade should always be combined with 'oif(name) bla',
···
 	fi
 
 	# must also check that nat table was evaluated on second (lower device) iteration.
-	ip netns exec $ns0 nft list table ip nat |grep -q 'counter packets 2'
+	ip netns exec $ns0 nft list table ip nat |grep -q 'counter packets 2' &&
+	ip netns exec $ns0 nft list table ip nat |grep -q 'untracked counter packets [1-9]'
 	if [ $? -eq 0 ]; then
-		echo "PASS: iperf3 connect with masquerade + sport rewrite on vrf device"
+		echo "PASS: iperf3 connect with masquerade + sport rewrite on vrf device ($qdisc qdisc)"
 	else
-		echo "FAIL: vrf masq rule has unexpected counter value"
+		echo "FAIL: vrf rules have unexpected counter value"
 		ret=1
+	fi
+
+	if [ "$qdisc" != "default" ]; then
+		tc -net $ns0 qdisc del dev tvrf root
 	fi
 }
 
···
 }
 
 test_ct_zone_in
-test_masquerade_vrf
+test_masquerade_vrf "default"
+test_masquerade_vrf "pfifo"
 test_masquerade_veth
 
 exit $ret

tools/testing/selftests/netfilter/nft_concat_range.sh

···
 
 # Set types, defined by TYPE_ variables below
 TYPES="net_port port_net net6_port port_proto net6_port_mac net6_port_mac_proto
-       net_port_net net_mac net_mac_icmp net6_mac_icmp net6_port_net6_port
-       net_port_mac_proto_net"
+       net_port_net net_mac mac_net net_mac_icmp net6_mac_icmp
+       net6_port_net6_port net_port_mac_proto_net"
 
 # Reported bugs, also described by TYPE_ variables below
 BUGS="flush_remove_add"
···
 perf_src	 
 perf_entries	1000
 perf_proto	ipv4
+"
+
+TYPE_mac_net="
+display		mac,net
+type_spec	ether_addr . ipv4_addr
+chain_spec	ether saddr . ip saddr
+dst		 
+src		mac addr4
+start		1
+count		5
+src_delta	2000
+tools		sendip nc bash
+proto		udp
+
+race_repeat	0
+
+perf_duration	0
 "
 
 TYPE_net_mac_icmp="
···
 		fi
 	done
 	for f in ${src}; do
-		__expr="${__expr} . "
+		[ "${__expr}" != "{ " ] && __expr="${__expr} . "
+
 		__start="$(eval format_"${f}" "${srcstart}")"
 		__end="$(eval format_"${f}" "${srcend}")"
 

tools/testing/selftests/netfilter/nft_zones_many.sh

···
 	ip netns del $ns
 }
 
-ip netns add $ns
-if [ $? -ne 0 ];then
-	echo "SKIP: Could not create net namespace $gw"
-	exit $ksft_skip
-fi
+checktool (){
+	if ! $1 > /dev/null 2>&1; then
+		echo "SKIP: Could not $2"
+		exit $ksft_skip
+	fi
+}
+
+checktool "nft --version" "run test without nft tool"
+checktool "ip -Version" "run test without ip tool"
+checktool "socat -V" "run test without socat tool"
+checktool "ip netns add $ns" "create net namespace"
 
 trap cleanup EXIT
 
···
 		local start=$(date +%s%3N)
 		i=$((i + 10000))
 		j=$((j + 1))
-		dd if=/dev/zero of=/dev/stdout bs=8k count=10000 2>/dev/null | ip netns exec "$ns" nc -w 1 -q 1 -u -p 12345 127.0.0.1 12345 > /dev/null
+		# nft rule in output places each packet in a different zone.
+		dd if=/dev/zero of=/dev/stdout bs=8k count=10000 2>/dev/null | ip netns exec "$ns" socat STDIN UDP:127.0.0.1:12345,sourceport=12345
 		if [ $? -ne 0 ] ;then
 			ret=1
 			break

tools/testing/selftests/tc-testing/config

···
 CONFIG_NET_SCH_FIFO=y
 CONFIG_NET_SCH_ETS=m
 CONFIG_NET_SCH_RED=m
+CONFIG_NET_SCH_FQ_PIE=m
+CONFIG_NETDEVSIM=m
 
 #
 ## Network testing

tools/testing/selftests/tc-testing/tdc.py

···
         list_test_cases(alltests)
         exit(0)
 
+    exit_code = 0 # KSFT_PASS
     if len(alltests):
         req_plugins = pm.get_required_plugins(alltests)
         try:
···
             print('The following plugins were not found:')
             print('{}'.format(pde.missing_pg))
         catresults = test_runner(pm, args, alltests)
+        if catresults.count_failures() != 0:
+            exit_code = 1 # KSFT_FAIL
         if args.format == 'none':
             print('Test results output suppression requested\n')
         else:
···
                         gid=int(os.getenv('SUDO_GID')))
     else:
         print('No tests found\n')
+        exit_code = 4 # KSFT_SKIP
+    exit(exit_code)
 
 def main():
     """
···
         print('args is {}'.format(args))
 
     set_operation_mode(pm, parser, args, remaining)
-
-    exit(0)
-
 
 if __name__ == "__main__":
     main()

tools/testing/selftests/tc-testing/tdc.sh

···
 #!/bin/sh
 # SPDX-License-Identifier: GPL-2.0
 
+modprobe netdevsim
 ./tdc.py -c actions --nobuildebpf
 ./tdc.py -c qdisc