Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Conflicts:
drivers/net/team/team.c
drivers/net/usb/qmi_wwan.c
net/batman-adv/bat_iv_ogm.c
net/ipv4/fib_frontend.c
net/ipv4/route.c
net/l2tp/l2tp_netlink.c

The team, fib_frontend, route, and l2tp_netlink conflicts were simply
overlapping changes.

qmi_wwan and bat_iv_ogm were of the "use HEAD" variety.

With help from Antonio Quartulli.

Signed-off-by: David S. Miller <[e-mail]>

Documentation/vfio.txt

···
 $ lspci -n -s 0000:06:0d.0
 06:0d.0 0401: 1102:0002 (rev 08)
 # echo 0000:06:0d.0 > /sys/bus/pci/devices/0000:06:0d.0/driver/unbind
-# echo 1102 0002 > /sys/bus/pci/drivers/vfio/new_id
+# echo 1102 0002 > /sys/bus/pci/drivers/vfio-pci/new_id
 
 Now we need to look at what other devices are in the group to free
 it for use by VFIO:

MAINTAINERS

···
 
 INTEL C600 SERIES SAS CONTROLLER DRIVER
 M:	Intel SCU Linux support <[e-mail]>
+M:	Lukasz Dorau <[e-mail]>
+M:	Maciej Patelczyk <[e-mail]>
 M:	Dave Jiang <[e-mail]>
-M:	Ed Nadolski <[e-mail]>
 L:	[e-mail]
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/djbw/isci.git
-S:	Maintained
+T:	git git://git.code.sf.net/p/intel-sas/isci
+S:	Supported
 F:	drivers/scsi/isci/
 F:	firmware/isci/
 
···
 F:	drivers/net/wireless/ipw2x00/
 
 INTEL(R) TRUSTED EXECUTION TECHNOLOGY (TXT)
-M:	Joseph Cihula <[e-mail]>
+M:	Richard L Maliszewski <[e-mail]>
+M:	Gang Wei <[e-mail]>
 M:	Shane Wang <[e-mail]>
 L:	[e-mail]
 W:	http://tboot.sourceforge.net
-T:	Mercurial http://www.bughost.org/repos.hg/tboot.hg
+T:	hg http://tboot.hg.sourceforge.net:8000/hgroot/tboot/tboot
 S:	Supported
 F:	Documentation/intel_txt.txt
 F:	include/linux/tboot.h
···
 F:	include/linux/pwm.h
 F:	include/linux/of_pwm.h
 F:	drivers/pwm/
+F:	drivers/video/backlight/pwm_bl.c
+F:	include/linux/pwm_backlight.h
 
 PXA2xx/PXA3xx SUPPORT
 M:	Eric Miao <[e-mail]>

Makefile

···
 VERSION = 3
 PATCHLEVEL = 6
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
-NAME = Saber-toothed Squirrel
+EXTRAVERSION = -rc7
+NAME = Terrified Chipmunk
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"

arch/arm/boot/compressed/head.S

···
 		mcrne	p15, 0, r0, c8, c7, 0	@ flush I,D TLBs
 #endif
 		mrc	p15, 0, r0, c1, c0, 0	@ read control reg
+		bic	r0, r0, #1 << 28	@ clear SCTLR.TRE
 		orr	r0, r0, #0x5000		@ I-cache enable, RR cache replacement
 		orr	r0, r0, #0x003c		@ write buffer
 #ifdef CONFIG_MMU

arch/arm/boot/dts/at91sam9260.dtsi

···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioB: gpio@fffff600 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioC: gpio@fffff800 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			dbgu: serial@fffff200 {

arch/arm/boot/dts/at91sam9263.dtsi

···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioB: gpio@fffff400 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioC: gpio@fffff600 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioD: gpio@fffff800 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioE: gpio@fffffa00 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			dbgu: serial@ffffee00 {

arch/arm/boot/dts/at91sam9g45.dtsi

···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioB: gpio@fffff400 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioC: gpio@fffff600 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioD: gpio@fffff800 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioE: gpio@fffffa00 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			dbgu: serial@ffffee00 {

arch/arm/boot/dts/at91sam9n12.dtsi

···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioB: gpio@fffff600 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioC: gpio@fffff800 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioD: gpio@fffffa00 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			dbgu: serial@fffff200 {

arch/arm/boot/dts/at91sam9x5.dtsi

···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioB: gpio@fffff600 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioC: gpio@fffff800 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			pioD: gpio@fffffa00 {
···
 				#gpio-cells = <2>;
 				gpio-controller;
 				interrupt-controller;
+				#interrupt-cells = <2>;
 			};
 
 			dbgu: serial@fffff200 {

arch/arm/include/asm/unistd.h

···
 #define __NR_setns			(__NR_SYSCALL_BASE+375)
 #define __NR_process_vm_readv		(__NR_SYSCALL_BASE+376)
 #define __NR_process_vm_writev		(__NR_SYSCALL_BASE+377)
+					/* 378 for kcmp */
 
 /*
  * The following SWIs are ARM private.
···
  */
 #define __IGNORE_fadvise64_64
 #define __IGNORE_migrate_pages
+#define __IGNORE_kcmp
 
 #endif /* __KERNEL__ */
 #endif /* __ASM_ARM_UNISTD_H */

arch/arm/kernel/calls.S

···
 /* 375 */	CALL(sys_setns)
 		CALL(sys_process_vm_readv)
 		CALL(sys_process_vm_writev)
+		CALL(sys_ni_syscall)	/* reserved for sys_kcmp */
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted

arch/arm/kernel/smp_twd.c

···
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/clk.h>
-#include <linux/cpufreq.h>
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/err.h>
···
 	disable_percpu_irq(clk->irq);
 }
 
-#ifdef CONFIG_CPU_FREQ
+#ifdef CONFIG_COMMON_CLK
+
+/*
+ * Updates clockevent frequency when the cpu frequency changes.
+ * Called on the cpu that is changing frequency with interrupts disabled.
+ */
+static void twd_update_frequency(void *new_rate)
+{
+	twd_timer_rate = *((unsigned long *) new_rate);
+
+	clockevents_update_freq(*__this_cpu_ptr(twd_evt), twd_timer_rate);
+}
+
+static int twd_rate_change(struct notifier_block *nb,
+	unsigned long flags, void *data)
+{
+	struct clk_notifier_data *cnd = data;
+
+	/*
+	 * The twd clock events must be reprogrammed to account for the new
+	 * frequency.  The timer is local to a cpu, so cross-call to the
+	 * changing cpu.
+	 */
+	if (flags == POST_RATE_CHANGE)
+		smp_call_function(twd_update_frequency,
+				  (void *)&cnd->new_rate, 1);
+
+	return NOTIFY_OK;
+}
+
+static struct notifier_block twd_clk_nb = {
+	.notifier_call = twd_rate_change,
+};
+
+static int twd_clk_init(void)
+{
+	if (twd_evt && *__this_cpu_ptr(twd_evt) && !IS_ERR(twd_clk))
+		return clk_notifier_register(twd_clk, &twd_clk_nb);
+
+	return 0;
+}
+core_initcall(twd_clk_init);
+
+#elif defined (CONFIG_CPU_FREQ)
+
+#include <linux/cpufreq.h>
 
 /*
  * Updates clockevent frequency when the cpu frequency changes.

arch/arm/mach-imx/clk-imx25.c

···
 	clk_register_clkdev(clk[sdma_ahb], "ahb", "imx35-sdma");
 	clk_register_clkdev(clk[iim_ipg], "iim", NULL);
 
-	mxc_timer_init(MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
+	mxc_timer_init(MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), MX25_INT_GPT1);
 	return 0;
 }

arch/arm/mach-imx/mach-armadillo5x0.c

···
 	imx31_add_mxc_nand(&armadillo5x0_nand_board_info);
 
 	/* set NAND page size to 2k if not configured via boot mode pins */
-	__raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR);
+	__raw_writel(__raw_readl(mx3_ccm_base + MXC_CCM_RCSR) |
+					(1 << 30), mx3_ccm_base + MXC_CCM_RCSR);
 
 	/* RTC */
 	/* Get RTC IRQ and register the chip */

arch/arm/mach-mxs/mach-mxs.c

···
 	enable_clk_enet_out();
 
 	if (IS_BUILTIN(CONFIG_PHYLIB))
-		phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK,
+		phy_register_fixup_for_uid(PHY_ID_KSZ8051, MICREL_PHY_ID_MASK,
 					   apx4devkit_phy_fixup);
 
 	mxsfb_pdata.mode_list = apx4devkit_video_modes;

arch/arm/mach-orion5x/common.c

···
 void __init orion5x_init_early(void)
 {
 	orion_time_set_base(TIMER_VIRT_BASE);
+
+	/*
+	 * Some Orion5x devices allocate their coherent buffers from atomic
+	 * context. Increase size of atomic coherent pool to make sure such
+	 * the allocations won't fail.
+	 */
+	init_dma_coherent_pool_size(SZ_1M);
 }
 
 int orion5x_tclk;

arch/arm/mach-shmobile/board-kzm9g.c

···
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {
-		.start	= gic_spi(141),
+		.start	= gic_spi(140),
 		.flags	= IORESOURCE_IRQ,
 	},
 	[2] = {
-		.start	= gic_spi(140),
+		.start	= gic_spi(141),
 		.flags	= IORESOURCE_IRQ,
 	},
 };

arch/arm/mm/dma-mapping.c

···
 		       (unsigned)pool->size / 1024);
 		return 0;
 	}
+
+	kfree(pages);
 no_pages:
 	kfree(bitmap);
 no_bitmap:

arch/arm/plat-mxc/include/mach/mx25.h

···
 #define MX25_INT_UART1		(NR_IRQS_LEGACY + 45)
 #define MX25_INT_GPIO2		(NR_IRQS_LEGACY + 51)
 #define MX25_INT_GPIO1		(NR_IRQS_LEGACY + 52)
+#define MX25_INT_GPT1		(NR_IRQS_LEGACY + 54)
 #define MX25_INT_FEC		(NR_IRQS_LEGACY + 57)
 
 #define MX25_DMA_REQ_SSI2_RX1	22

arch/arm/plat-samsung/clock.c

···
 
 int clk_set_rate(struct clk *clk, unsigned long rate)
 {
+	unsigned long flags;
 	int ret;
 
 	if (IS_ERR(clk))
···
 	if (clk->ops == NULL || clk->ops->set_rate == NULL)
 		return -EINVAL;
 
-	spin_lock(&clocks_lock);
+	spin_lock_irqsave(&clocks_lock, flags);
 	ret = (clk->ops->set_rate)(clk, rate);
-	spin_unlock(&clocks_lock);
+	spin_unlock_irqrestore(&clocks_lock, flags);
 
 	return ret;
 }
···
 
 int clk_set_parent(struct clk *clk, struct clk *parent)
 {
+	unsigned long flags;
 	int ret = 0;
 
 	if (IS_ERR(clk))
 		return -EINVAL;
 
-	spin_lock(&clocks_lock);
+	spin_lock_irqsave(&clocks_lock, flags);
 
 	if (clk->ops && clk->ops->set_parent)
 		ret = (clk->ops->set_parent)(clk, parent);
 
-	spin_unlock(&clocks_lock);
+	spin_unlock_irqrestore(&clocks_lock, flags);
 
 	return ret;
 }

arch/c6x/include/asm/Kbuild

···
 
 generic-y += atomic.h
 generic-y += auxvec.h
+generic-y += barrier.h
 generic-y += bitsperlong.h
 generic-y += bugs.h
 generic-y += cputime.h

arch/c6x/include/asm/barrier.h

···
-/*
- *  Port on Texas Instruments TMS320C6x architecture
- *
- *  Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated
- *  Author: Aurelien Jacquiot ([e-mail])
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- */
-#ifndef _ASM_C6X_BARRIER_H
-#define _ASM_C6X_BARRIER_H
-
-#define nop()                    asm("NOP\n");
-
-#define mb()                     barrier()
-#define rmb()                    barrier()
-#define wmb()                    barrier()
-#define set_mb(var, value)       do { var = value;  mb(); } while (0)
-#define set_wmb(var, value)      do { var = value; wmb(); } while (0)
-
-#define smp_mb()	         barrier()
-#define smp_rmb()	         barrier()
-#define smp_wmb()	         barrier()
-#define smp_read_barrier_depends()	do { } while (0)
-
-#endif /* _ASM_C6X_BARRIER_H */

arch/m68k/platform/coldfire/clk.c

···
 };
 #endif /* MCFPM_PPMCR1 */
 #endif /* MCFPM_PPMCR0 */
-
-struct clk *devm_clk_get(struct device *dev, const char *id)
-{
-	return NULL;
-}
-EXPORT_SYMBOL(devm_clk_get);

arch/mips/kernel/smp-cmp.c

···
 	c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE;
 #endif
 #ifdef CONFIG_MIPS_MT_SMTC
-	c->tc_id  = (read_c0_tcbind() >> TCBIND_CURTC_SHIFT) & TCBIND_CURTC;
+	c->tc_id  = (read_c0_tcbind() & TCBIND_CURTC) >> TCBIND_CURTC_SHIFT;
 #endif
 }
 

arch/mips/mm/gup.c

···
 	do {
 		VM_BUG_ON(compound_head(page) != head);
 		pages[*nr] = page;
+		if (PageTail(page))
+			get_huge_page_tail(page);
 		(*nr)++;
 		page++;
 		refs++;

arch/mips/mti-malta/malta-int.c

···
 	unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
 	int irq;
 
+	if (unlikely(!pending)) {
+		spurious_interrupt();
+		return;
+	}
+
 	irq = irq_ffs(pending);
 
 	if (irq == MIPSCPU_INT_I8259A)
 		malta_hw0_irqdispatch();
 	else if (gic_present && ((1 << irq) & ipi_map[smp_processor_id()]))
 		malta_ipi_irqdispatch();
-	else if (irq >= 0)
-		do_IRQ(MIPS_CPU_IRQ_BASE + irq);
 	else
-		spurious_interrupt();
+		do_IRQ(MIPS_CPU_IRQ_BASE + irq);
 }
 
 #ifdef CONFIG_MIPS_MT_SMP

arch/mips/mti-malta/malta-platform.c

···
 	if (err)
 		return err;
 
-	/*
-	 * Set RTC to BCD mode to support current alarm code.
-	 */
-	CMOS_WRITE(CMOS_READ(RTC_CONTROL) & ~RTC_DM_BINARY, RTC_CONTROL);
-
 	return 0;
 }
 

arch/s390/include/asm/hugetlb.h

···
 	return pte;
 }
 
-static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
-					    unsigned long addr, pte_t *ptep)
-{
-	pte_t pte = huge_ptep_get(ptep);
-
-	mm->context.flush_mm = 1;
-	pmd_clear((pmd_t *) ptep);
-	return pte;
-}
-
 static inline void __pmd_csp(pmd_t *pmdp)
 {
 	register unsigned long reg2 asm("2") = pmd_val(*pmdp);
···
 		__pmd_csp(pmdp);
 }
 
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+					    unsigned long addr, pte_t *ptep)
+{
+	pte_t pte = huge_ptep_get(ptep);
+
+	huge_ptep_invalidate(mm, addr, ptep);
+	return pte;
+}
+
 #define huge_ptep_set_access_flags(__vma, __addr, __ptep, __entry, __dirty) \
 ({									    \
 	int __changed = !pte_same(huge_ptep_get(__ptep), __entry);	    \
···
 ({									\
 	pte_t __pte = huge_ptep_get(__ptep);				\
 	if (pte_write(__pte)) {						\
-		(__mm)->context.flush_mm = 1;				\
-		if (atomic_read(&(__mm)->context.attach_count) > 1 ||	\
-		    (__mm) != current->active_mm)			\
-			huge_ptep_invalidate(__mm, __addr, __ptep);	\
+		huge_ptep_invalidate(__mm, __addr, __ptep);		\
 		set_huge_pte_at(__mm, __addr, __ptep,			\
 				huge_pte_wrprotect(__pte));		\
 	}								\

arch/s390/include/asm/tlbflush.h

···
 
 static inline void __tlb_flush_mm_cond(struct mm_struct * mm)
 {
-	spin_lock(&mm->page_table_lock);
 	if (mm->context.flush_mm) {
 		__tlb_flush_mm(mm);
 		mm->context.flush_mm = 0;
 	}
-	spin_unlock(&mm->page_table_lock);
 }
 
 /*

arch/s390/kernel/setup.c

···
 	if (MACHINE_HAS_HPAGE)
 		elf_hwcap |= HWCAP_S390_HPAGE;
 
+#if defined(CONFIG_64BIT)
 	/*
 	 * 64-bit register support for 31-bit processes
 	 * HWCAP_S390_HIGH_GPRS is bit 9.
 	 */
 	elf_hwcap |= HWCAP_S390_HIGH_GPRS;
+#endif
 
 	get_cpu_id(&cpu_id);
 	switch (cpu_id.machine) {

arch/s390/lib/uaccess_pt.c

···
  *  User access functions based on page table walks for enhanced
  *  system layout without hardware support.
  *
- *    Copyright IBM Corp. 2006
+ *    Copyright IBM Corp. 2006, 2012
  *    Author(s): Gerald Schaefer ([e-mail])
  */
 
 #include <linux/errno.h>
 #include <linux/hardirq.h>
 #include <linux/mm.h>
+#include <linux/hugetlb.h>
 #include <asm/uaccess.h>
 #include <asm/futex.h>
 #include "uaccess.h"
 
-static inline pte_t *follow_table(struct mm_struct *mm, unsigned long addr)
+
+/*
+ * Returns kernel address for user virtual address. If the returned address is
+ * >= -4095 (IS_ERR_VALUE(x) returns true), a fault has occured and the address
+ * contains the (negative) exception code.
+ */
+static __always_inline unsigned long follow_table(struct mm_struct *mm,
+						  unsigned long addr, int write)
 {
 	pgd_t *pgd;
 	pud_t *pud;
 	pmd_t *pmd;
+	pte_t *ptep;
 
 	pgd = pgd_offset(mm, addr);
 	if (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))
-		return (pte_t *) 0x3a;
+		return -0x3aUL;
 
 	pud = pud_offset(pgd, addr);
 	if (pud_none(*pud) || unlikely(pud_bad(*pud)))
-		return (pte_t *) 0x3b;
+		return -0x3bUL;
 
 	pmd = pmd_offset(pud, addr);
-	if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd)))
-		return (pte_t *) 0x10;
+	if (pmd_none(*pmd))
+		return -0x10UL;
+	if (pmd_huge(*pmd)) {
+		if (write && (pmd_val(*pmd) & _SEGMENT_ENTRY_RO))
+			return -0x04UL;
+		return (pmd_val(*pmd) & HPAGE_MASK) + (addr & ~HPAGE_MASK);
+	}
+	if (unlikely(pmd_bad(*pmd)))
+		return -0x10UL;
 
-	return pte_offset_map(pmd, addr);
+	ptep = pte_offset_map(pmd, addr);
+	if (!pte_present(*ptep))
+		return -0x11UL;
+	if (write && !pte_write(*ptep))
+		return -0x04UL;
+
+	return (pte_val(*ptep) & PAGE_MASK) + (addr & ~PAGE_MASK);
 }
 
 static __always_inline size_t __user_copy_pt(unsigned long uaddr, void *kptr,
 					     size_t n, int write_user)
 {
 	struct mm_struct *mm = current->mm;
-	unsigned long offset, pfn, done, size;
-	pte_t *pte;
+	unsigned long offset, done, size, kaddr;
 	void *from, *to;
 
 	done = 0;
 retry:
 	spin_lock(&mm->page_table_lock);
 	do {
-		pte = follow_table(mm, uaddr);
-		if ((unsigned long) pte < 0x1000)
+		kaddr = follow_table(mm, uaddr, write_user);
+		if (IS_ERR_VALUE(kaddr))
 			goto fault;
-		if (!pte_present(*pte)) {
-			pte = (pte_t *) 0x11;
-			goto fault;
-		} else if (write_user && !pte_write(*pte)) {
-			pte = (pte_t *) 0x04;
-			goto fault;
-		}
 
-		pfn = pte_pfn(*pte);
-		offset = uaddr & (PAGE_SIZE - 1);
+		offset = uaddr & ~PAGE_MASK;
 		size = min(n - done, PAGE_SIZE - offset);
 		if (write_user) {
-			to = (void *)((pfn << PAGE_SHIFT) + offset);
+			to = (void *) kaddr;
 			from = kptr + done;
 		} else {
-			from = (void *)((pfn << PAGE_SHIFT) + offset);
+			from = (void *) kaddr;
 			to = kptr + done;
 		}
 		memcpy(to, from, size);
···
 	return n - done;
 fault:
 	spin_unlock(&mm->page_table_lock);
-	if (__handle_fault(uaddr, (unsigned long) pte, write_user))
+	if (__handle_fault(uaddr, -kaddr, write_user))
 		return n - done;
 	goto retry;
 }
···
  * Do DAT for user address by page table walk, return kernel address.
  * This function needs to be called with current->mm->page_table_lock held.
  */
-static __always_inline unsigned long __dat_user_addr(unsigned long uaddr)
+static __always_inline unsigned long __dat_user_addr(unsigned long uaddr,
+						     int write)
 {
 	struct mm_struct *mm = current->mm;
-	unsigned long pfn;
-	pte_t *pte;
+	unsigned long kaddr;
 	int rc;
 
 retry:
-	pte = follow_table(mm, uaddr);
-	if ((unsigned long) pte < 0x1000)
+	kaddr = follow_table(mm, uaddr, write);
+	if (IS_ERR_VALUE(kaddr))
 		goto fault;
-	if (!pte_present(*pte)) {
-		pte = (pte_t *) 0x11;
-		goto fault;
-	}
 
-	pfn = pte_pfn(*pte);
-	return (pfn << PAGE_SHIFT) + (uaddr & (PAGE_SIZE - 1));
+	return kaddr;
 fault:
 	spin_unlock(&mm->page_table_lock);
-	rc = __handle_fault(uaddr, (unsigned long) pte, 0);
+	rc = __handle_fault(uaddr, -kaddr, write);
 	spin_lock(&mm->page_table_lock);
 	if (!rc)
 		goto retry;
···
 
 static size_t strnlen_user_pt(size_t count, const char __user *src)
 {
-	char *addr;
 	unsigned long uaddr = (unsigned long) src;
 	struct mm_struct *mm = current->mm;
-	unsigned long offset, pfn, done, len;
-	pte_t *pte;
+	unsigned long offset, done, len, kaddr;
 	size_t len_str;
 
 	if (segment_eq(get_fs(), KERNEL_DS))
···
 retry:
 	spin_lock(&mm->page_table_lock);
 	do {
-		pte = follow_table(mm, uaddr);
-		if ((unsigned long) pte < 0x1000)
+		kaddr = follow_table(mm, uaddr, 0);
+		if (IS_ERR_VALUE(kaddr))
 			goto fault;
-		if (!pte_present(*pte)) {
-			pte = (pte_t *) 0x11;
-			goto fault;
-		}
 
-		pfn = pte_pfn(*pte);
-		offset = uaddr & (PAGE_SIZE-1);
-		addr = (char *)(pfn << PAGE_SHIFT) + offset;
+		offset = uaddr & ~PAGE_MASK;
 		len = min(count - done, PAGE_SIZE - offset);
-		len_str = strnlen(addr, len);
+		len_str = strnlen((char *) kaddr, len);
 		done += len_str;
 		uaddr += len_str;
 	} while ((len_str == len) && (done < count));
···
 	return done + 1;
 fault:
 	spin_unlock(&mm->page_table_lock);
-	if (__handle_fault(uaddr, (unsigned long) pte, 0))
+	if (__handle_fault(uaddr, -kaddr, 0))
 		return 0;
 	goto retry;
 }
···
 			      const void __user *from)
 {
 	struct mm_struct *mm = current->mm;
-	unsigned long offset_from, offset_to, offset_max, pfn_from, pfn_to,
-		      uaddr, done, size, error_code;
+	unsigned long offset_max, uaddr, done, size, error_code;
 	unsigned long uaddr_from = (unsigned long) from;
 	unsigned long uaddr_to = (unsigned long) to;
-	pte_t *pte_from, *pte_to;
+	unsigned long kaddr_to, kaddr_from;
 	int write_user;
 
 	if (segment_eq(get_fs(), KERNEL_DS)) {
···
 	do {
 		write_user = 0;
 		uaddr = uaddr_from;
-		pte_from = follow_table(mm, uaddr_from);
-		error_code = (unsigned long) pte_from;
-		if (error_code < 0x1000)
+		kaddr_from = follow_table(mm, uaddr_from, 0);
+		error_code = kaddr_from;
+		if (IS_ERR_VALUE(error_code))
 			goto fault;
-		if (!pte_present(*pte_from)) {
-			error_code = 0x11;
-			goto fault;
-		}
 
 		write_user = 1;
 		uaddr = uaddr_to;
-		pte_to = follow_table(mm, uaddr_to);
-		error_code = (unsigned long) pte_to;
-		if (error_code < 0x1000)
+		kaddr_to = follow_table(mm, uaddr_to, 1);
+		error_code = (unsigned long) kaddr_to;
+		if (IS_ERR_VALUE(error_code))
 			goto fault;
-		if (!pte_present(*pte_to)) {
-			error_code = 0x11;
-			goto fault;
-		} else if (!pte_write(*pte_to)) {
-			error_code = 0x04;
-			goto fault;
-		}
 
-		pfn_from = pte_pfn(*pte_from);
-		pfn_to = pte_pfn(*pte_to);
-		offset_from = uaddr_from & (PAGE_SIZE-1);
-		offset_to = uaddr_from & (PAGE_SIZE-1);
-		offset_max = max(offset_from, offset_to);
+		offset_max = max(uaddr_from & ~PAGE_MASK,
+				 uaddr_to & ~PAGE_MASK);
 		size = min(n - done, PAGE_SIZE - offset_max);
 
-		memcpy((void *)(pfn_to << PAGE_SHIFT) + offset_to,
-		       (void *)(pfn_from << PAGE_SHIFT) + offset_from, size);
+		memcpy((void *) kaddr_to, (void *) kaddr_from, size);
 		done += size;
 		uaddr_from += size;
 		uaddr_to += size;
···
 	return n - done;
 fault:
 	spin_unlock(&mm->page_table_lock);
-	if (__handle_fault(uaddr, error_code, write_user))
+	if (__handle_fault(uaddr, -error_code, write_user))
 		return n - done;
 	goto retry;
 }
···
 		return __futex_atomic_op_pt(op, uaddr, oparg, old);
 	spin_lock(&current->mm->page_table_lock);
 	uaddr = (u32 __force __user *)
-		__dat_user_addr((__force unsigned long) uaddr);
+		__dat_user_addr((__force unsigned long) uaddr, 1);
 	if (!uaddr) {
 		spin_unlock(&current->mm->page_table_lock);
 		return -EFAULT;
···
 		return __futex_atomic_cmpxchg_pt(uval, uaddr, oldval, newval);
 	spin_lock(&current->mm->page_table_lock);
 	uaddr = (u32 __force __user *)
-		__dat_user_addr((__force unsigned long) uaddr);
+		__dat_user_addr((__force unsigned long) uaddr, 1);
 	if (!uaddr) {
 		spin_unlock(&current->mm->page_table_lock);
 		return -EFAULT;

arch/sh/kernel/cpu/sh5/entry.S

···
 
 	pta	restore_all, tr1
 
-	movi	_TIF_SIGPENDING, r8
+	movi	(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME), r8
 	and	r8, r7, r8
 	pta	work_notifysig, tr0
 	bne	r8, ZERO, tr0

arch/sh/kernel/entry-common.S

···
 	! r8: current_thread_info
 	! t:  result of "tst	#_TIF_NEED_RESCHED, r0"
 	bf/s	work_resched
-	 tst	#_TIF_SIGPENDING, r0
+	 tst	#(_TIF_SIGPENDING | _TIF_NOTIFY_RESUME), r0
 work_notifysig:
 	bt/s	__restore_all
 	 mov	r15, r4

arch/sparc/kernel/module.c

···
 		return NULL;
 
 	ret = module_map(size);
-	if (!ret)
-		ret = ERR_PTR(-ENOMEM);
-	else
+	if (ret)
 		memset(ret, 0, size);
 
 	return ret;
···
 		v = sym->st_value + rel[i].r_addend;
 
 		switch (ELF_R_TYPE(rel[i].r_info) & 0xff) {
+		case R_SPARC_DISP32:
+			v -= (Elf_Addr) location;
+			*loc32 = v;
+			break;
 #ifdef CONFIG_SPARC64
 		case R_SPARC_64:
 			location[0] = v >> 56;
···
 			location[5] = v >> 16;
 			location[6] = v >>  8;
 			location[7] = v >>  0;
-			break;
-
-		case R_SPARC_DISP32:
-			v -= (Elf_Addr) location;
-			*loc32 = v;
 			break;
 
 		case R_SPARC_WDISP19:

arch/tile/include/gxio/iorpc_trio.h

···
 #include <linux/module.h>
 #include <asm/pgtable.h>
 
-#define GXIO_TRIO_OP_ALLOC_ASIDS       IORPC_OPCODE(IORPC_FORMAT_NONE, 0x1400)
+#define GXIO_TRIO_OP_DEALLOC_ASID      IORPC_OPCODE(IORPC_FORMAT_NONE, 0x1400)
+#define GXIO_TRIO_OP_ALLOC_ASIDS       IORPC_OPCODE(IORPC_FORMAT_NONE, 0x1401)
 
-#define GXIO_TRIO_OP_ALLOC_MEMORY_MAPS IORPC_OPCODE(IORPC_FORMAT_NONE, 0x1402)
+#define GXIO_TRIO_OP_ALLOC_MEMORY_MAPS IORPC_OPCODE(IORPC_FORMAT_NONE, 0x1404)
 
-#define GXIO_TRIO_OP_ALLOC_PIO_REGIONS IORPC_OPCODE(IORPC_FORMAT_NONE, 0x140e)
-#define GXIO_TRIO_OP_INIT_PIO_REGION_AUX IORPC_OPCODE(IORPC_FORMAT_NONE, 0x140f)
+#define GXIO_TRIO_OP_ALLOC_PIO_REGIONS IORPC_OPCODE(IORPC_FORMAT_NONE, 0x1412)
 
-#define GXIO_TRIO_OP_INIT_MEMORY_MAP_MMU_AUX IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x1417)
-#define GXIO_TRIO_OP_GET_PORT_PROPERTY IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x1418)
-#define GXIO_TRIO_OP_CONFIG_LEGACY_INTR IORPC_OPCODE(IORPC_FORMAT_KERNEL_INTERRUPT, 0x1419)
-#define GXIO_TRIO_OP_CONFIG_MSI_INTR   IORPC_OPCODE(IORPC_FORMAT_KERNEL_INTERRUPT, 0x141a)
+#define GXIO_TRIO_OP_INIT_PIO_REGION_AUX IORPC_OPCODE(IORPC_FORMAT_NONE, 0x1414)
 
-#define GXIO_TRIO_OP_SET_MPS_MRS       IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x141c)
-#define GXIO_TRIO_OP_FORCE_RC_LINK_UP  IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x141d)
-#define GXIO_TRIO_OP_FORCE_EP_LINK_UP  IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x141e)
+#define GXIO_TRIO_OP_INIT_MEMORY_MAP_MMU_AUX IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x141e)
+#define GXIO_TRIO_OP_GET_PORT_PROPERTY IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x141f)
+#define GXIO_TRIO_OP_CONFIG_LEGACY_INTR IORPC_OPCODE(IORPC_FORMAT_KERNEL_INTERRUPT, 0x1420)
+#define GXIO_TRIO_OP_CONFIG_MSI_INTR   IORPC_OPCODE(IORPC_FORMAT_KERNEL_INTERRUPT, 0x1421)
+
+#define GXIO_TRIO_OP_SET_MPS_MRS       IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x1423)
+#define GXIO_TRIO_OP_FORCE_RC_LINK_UP  IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x1424)
+#define GXIO_TRIO_OP_FORCE_EP_LINK_UP  IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x1425)
 #define GXIO_TRIO_OP_GET_MMIO_BASE     IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x8000)
 #define GXIO_TRIO_OP_CHECK_MMIO_OFFSET IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x8001)
 

arch/um/include/asm/processor-generic.h

···
 
 struct thread_struct {
 	struct task_struct *saved_task;
-	/*
-	 * This flag is set to 1 before calling do_fork (and analyzed in
-	 * copy_thread) to mark that we are begin called from userspace (fork /
-	 * vfork / clone), and reset to 0 after. It is left to 0 when called
-	 * from kernelspace (i.e. kernel_thread() or fork_idle(),
-	 * as of 2.6.11).
-	 */
-	int forking;
 	struct pt_regs regs;
 	int singlestep_syscall;
 	void *fault_addr;
···
 
 #define INIT_THREAD \
 { \
-	.forking		= 0, \
 	.regs		   	= EMPTY_REGS,	\
 	.fault_addr		= NULL, \
 	.prev_sched		= NULL, \

arch/um/include/shared/common-offsets.h

···
 DEFINE(UM_KERN_PAGE_SHIFT, PAGE_SHIFT);
 DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC);
 
-DEFINE_STR(UM_KERN_EMERG, KERN_EMERG);
-DEFINE_STR(UM_KERN_ALERT, KERN_ALERT);
-DEFINE_STR(UM_KERN_CRIT, KERN_CRIT);
-DEFINE_STR(UM_KERN_ERR, KERN_ERR);
-DEFINE_STR(UM_KERN_WARNING, KERN_WARNING);
-DEFINE_STR(UM_KERN_NOTICE, KERN_NOTICE);
-DEFINE_STR(UM_KERN_INFO, KERN_INFO);
-DEFINE_STR(UM_KERN_DEBUG, KERN_DEBUG);
-DEFINE_STR(UM_KERN_CONT, KERN_CONT);
-
 DEFINE(UM_ELF_CLASS, ELF_CLASS);
 DEFINE(UM_ELFCLASS32, ELFCLASS32);
 DEFINE(UM_ELFCLASS64, ELFCLASS64);

arch/um/include/shared/user.h

···
 extern void panic(const char *fmt, ...)
 	__attribute__ ((format (printf, 1, 2)));
 
+/* Requires preincluding include/linux/kern_levels.h */
+#define UM_KERN_EMERG	KERN_EMERG
+#define UM_KERN_ALERT	KERN_ALERT
+#define UM_KERN_CRIT	KERN_CRIT
+#define UM_KERN_ERR	KERN_ERR
+#define UM_KERN_WARNING	KERN_WARNING
+#define UM_KERN_NOTICE	KERN_NOTICE
+#define UM_KERN_INFO	KERN_INFO
+#define UM_KERN_DEBUG	KERN_DEBUG
+#define UM_KERN_CONT	KERN_CONT
+
 #ifdef UML_CONFIG_PRINTK
 extern int printk(const char *fmt, ...)
 	__attribute__ ((format (printf, 1, 2)));

arch/um/kernel/exec.c

···
 
 void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
 {
+	get_safe_registers(regs->regs.gp, regs->regs.fp);
 	PT_REGS_IP(regs) = eip;
 	PT_REGS_SP(regs) = esp;
+	current->ptrace &= ~PT_DTRACE;
+#ifdef SUBARCH_EXECVE1
+	SUBARCH_EXECVE1(regs->regs);
+#endif
 }
 EXPORT_SYMBOL(start_thread);
-
-static long execve1(const char *file,
-		    const char __user *const __user *argv,
-		    const char __user *const __user *env)
-{
-	long error;
-
-	error = do_execve(file, argv, env, &current->thread.regs);
-	if (error == 0) {
-		task_lock(current);
-		current->ptrace &= ~PT_DTRACE;
-#ifdef SUBARCH_EXECVE1
-		SUBARCH_EXECVE1(&current->thread.regs.regs);
-#endif
-		task_unlock(current);
-	}
-	return error;
-}
 
 long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env)
 {
 	long err;
 
-	err = execve1(file, argv, env);
+	err = do_execve(file, argv, env, &current->thread.regs);
 	if (!err)
 		UML_LONGJMP(current->thread.exec_buf, 1);
 	return err;
···
 	filename = getname(file);
 	error = PTR_ERR(filename);
 	if (IS_ERR(filename)) goto out;
-	error = execve1(filename, argv, env);
+	error = do_execve(filename, argv, env, &current->thread.regs);
 	putname(filename);
  out:
 	return error;

arch/um/kernel/process.c

···
 		struct pt_regs *regs)
 {
 	void (*handler)(void);
+	int kthread = current->flags & PF_KTHREAD;
 	int ret = 0;
 
 	p->thread = (struct thread_struct) INIT_THREAD;
 
-	if (current->thread.forking) {
+	if (!kthread) {
 	  	memcpy(&p->thread.regs.regs, &regs->regs,
 		       sizeof(p->thread.regs.regs));
 		PT_REGS_SET_SYSCALL_RETURN(&p->thread.regs, 0);
···
 		handler = fork_handler;
 
 		arch_copy_thread(&current->thread.arch, &p->thread.arch);
-	}
-	else {
+	} else {
 		get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp);
 		p->thread.request.u.thread = current->thread.request.u.thread;
 		handler = new_thread_handler;
···
 
 	new_thread(task_stack_page(p), &p->thread.switch_buf, handler);
 
-	if (current->thread.forking) {
+	if (!kthread) {
 		clear_flushed_tls(p);
 
 		/*

arch/um/kernel/signal.c

···
 			 struct k_sigaction *ka, siginfo_t *info)
 {
 	sigset_t *oldset = sigmask_to_save();
+	int singlestep = 0;
 	unsigned long sp;
 	int err;
+
+	if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED))
+		singlestep = 1;
 
 	/* Did we come from a system call? */
 	if (PT_REGS_SYSCALL_NR(regs) >= 0) {
···
 	if (err)
 		force_sigsegv(signr, current);
 	else
-		signal_delivered(signr, info, ka, regs, 0);
+		signal_delivered(signr, info, ka, regs, singlestep);
 }
 
 static int kern_do_signal(struct pt_regs *regs)

arch/um/kernel/syscall.c

···
 
 long sys_fork(void)
 {
-	long ret;
-
-	current->thread.forking = 1;
-	ret = do_fork(SIGCHLD, UPT_SP(&current->thread.regs.regs),
+	return do_fork(SIGCHLD, UPT_SP(&current->thread.regs.regs),
 		      &current->thread.regs, 0, NULL, NULL);
-	current->thread.forking = 0;
-	return ret;
 }
 
 long sys_vfork(void)
 {
-	long ret;
-
-	current->thread.forking = 1;
-	ret = do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
+	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
 		      UPT_SP(&current->thread.regs.regs),
 		      &current->thread.regs, 0, NULL, NULL);
-	current->thread.forking = 0;
-	return ret;
+}
+
+long sys_clone(unsigned long clone_flags, unsigned long newsp,
+	       void __user *parent_tid, void __user *child_tid)
+{
+	if (!newsp)
+		newsp = UPT_SP(&current->thread.regs.regs);
+
+	return do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
+		      child_tid);
 }
 
 long old_mmap(unsigned long addr, unsigned long len,

arch/um/scripts/Makefile.rules

···
 USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
 
 $(USER_OBJS:.o=.%): \
-	c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include user.h $(CFLAGS_$(basetarget).o)
+	c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) -include $(srctree)/include/linux/kern_levels.h -include user.h $(CFLAGS_$(basetarget).o)
 
 # These are like USER_OBJS but filter USER_CFLAGS through unprofile instead of
 # using it directly.

arch/x86/Kconfig

···
 	def_bool y if X86_64
 	---help---
 	  Support for software bounce buffers used on x86-64 systems
-	  which don't have a hardware IOMMU (e.g. the current generation
-	  of Intel's x86-64 CPUs). Using this PCI devices which can only
-	  access 32-bits of memory can be used on systems with more than
-	  3 GB of memory. If unsure, say Y.
+	  which don't have a hardware IOMMU. Using this PCI devices
+	  which can only access 32-bits of memory can be used on systems
+	  with more than 3 GB of memory.
+	  If unsure, say Y.
 
 config IOMMU_HELPER
 	def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)

arch/x86/Makefile

···
 KBUILD_CFLAGS += $(mflags-y)
 KBUILD_AFLAGS += $(mflags-y)
 
-archscripts:
+archscripts: scripts_basic
 	$(Q)$(MAKE) $(build)=arch/x86/tools relocs
 
 ###

arch/x86/include/asm/xen/page.h

···
 
 extern int m2p_add_override(unsigned long mfn, struct page *page,
 			    struct gnttab_map_grant_ref *kmap_op);
-extern int m2p_remove_override(struct page *page, bool clear_pte);
+extern int m2p_remove_override(struct page *page,
+				struct gnttab_map_grant_ref *kmap_op);
 extern struct page *m2p_find_override(unsigned long mfn);
 extern unsigned long m2p_find_override_pfn(unsigned long mfn, unsigned long pfn);
 

arch/x86/kernel/cpu/perf_event.h

···
 
 extern struct event_constraint intel_snb_pebs_event_constraints[];
 
+extern struct event_constraint intel_ivb_pebs_event_constraints[];
+
 struct event_constraint *intel_pebs_constraints(struct perf_event *event);
 
 void intel_pmu_pebs_enable(struct perf_event *event);

arch/x86/kernel/cpu/perf_event_amd_ibs.c

···
 	return -EOPNOTSUPP;
 }
 
+static const struct perf_event_attr ibs_notsupp = {
+	.exclude_user	= 1,
+	.exclude_kernel	= 1,
+	.exclude_hv	= 1,
+	.exclude_idle	= 1,
+	.exclude_host	= 1,
+	.exclude_guest	= 1,
+};
+
 static int perf_ibs_init(struct perf_event *event)
 {
 	struct hw_perf_event *hwc = &event->hw;
···
 
 	if (event->pmu != &perf_ibs->pmu)
 		return -ENOENT;
+
+	if (perf_flags(&event->attr) & perf_flags(&ibs_notsupp))
+		return -EINVAL;
 
 	if (config & ~perf_ibs->config_mask)
 		return -EINVAL;

arch/x86/kernel/cpu/perf_event_intel.c

···
 	case 42: /* SandyBridge */
 	case 45: /* SandyBridge, "Romely-EP" */
 		x86_add_quirk(intel_sandybridge_quirk);
-	case 58: /* IvyBridge */
 		memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
 		       sizeof(hw_cache_event_ids));
 		memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
···
 
 		pr_cont("SandyBridge events, ");
 		break;
+	case 58: /* IvyBridge */
+		memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
+		       sizeof(hw_cache_event_ids));
+		memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
+		       sizeof(hw_cache_extra_regs));
+
+		intel_pmu_lbr_init_snb();
+
+		x86_pmu.event_constraints = intel_snb_event_constraints;
+		x86_pmu.pebs_constraints = intel_ivb_pebs_event_constraints;
+		x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
+		x86_pmu.extra_regs = intel_snb_extra_regs;
+		/* all extra regs are per-cpu when HT is on */
+		x86_pmu.er_flags |= ERF_HAS_RSP_1;
+		x86_pmu.er_flags |= ERF_NO_HT_SHARING;
+
+		/* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */
+		intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
+			X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
+
+		pr_cont("IvyBridge events, ");
+		break;
+
 
 	default:
 		switch (x86_pmu.version) {

arch/x86/kernel/cpu/perf_event_intel_ds.c

···
 	EVENT_CONSTRAINT_END
 };
 
+struct event_constraint intel_ivb_pebs_event_constraints[] = {
+        INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PRECDIST */
+        INTEL_UEVENT_CONSTRAINT(0x01c2, 0xf), /* UOPS_RETIRED.ALL */
+        INTEL_UEVENT_CONSTRAINT(0x02c2, 0xf), /* UOPS_RETIRED.RETIRE_SLOTS */
+        INTEL_EVENT_CONSTRAINT(0xc4, 0xf),    /* BR_INST_RETIRED.* */
+        INTEL_EVENT_CONSTRAINT(0xc5, 0xf),    /* BR_MISP_RETIRED.* */
+        INTEL_EVENT_CONSTRAINT(0xcd, 0x8),    /* MEM_TRANS_RETIRED.* */
+        INTEL_EVENT_CONSTRAINT(0xd0, 0xf),    /* MEM_UOP_RETIRED.* */
+        INTEL_EVENT_CONSTRAINT(0xd1, 0xf),    /* MEM_LOAD_UOPS_RETIRED.* */
+        INTEL_EVENT_CONSTRAINT(0xd2, 0xf),    /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
+        INTEL_EVENT_CONSTRAINT(0xd3, 0xf),    /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
+        EVENT_CONSTRAINT_END
+};
+
 struct event_constraint *intel_pebs_constraints(struct perf_event *event)
 {
 	struct event_constraint *c;

arch/x86/kernel/cpu/perf_event_intel_uncore.c

···
 	}
 }
 
+static struct uncore_event_desc snb_uncore_events[] = {
+	INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0x00"),
+	{ /* end: all zeroes */ },
+};
+
 static struct attribute *snb_uncore_formats_attr[] = {
 	&format_attr_event.attr,
 	&format_attr_umask.attr,
···
 	.constraints	= snb_uncore_cbox_constraints,
 	.ops		= &snb_uncore_msr_ops,
 	.format_group	= &snb_uncore_format_group,
+	.event_descs	= snb_uncore_events,
 };
 
 static struct intel_uncore_type *snb_msr_uncores[] = {

arch/x86/mm/init.c

···
  */
 int devmem_is_allowed(unsigned long pagenr)
 {
-	if (pagenr <= 256)
+	if (pagenr < 256)
 		return 1;
 	if (iomem_is_exclusive(pagenr << PAGE_SHIFT))
 		return 0;

arch/x86/um/Kconfig

···
 config X86_32
 	def_bool !64BIT
 	select HAVE_AOUT
+	select ARCH_WANT_IPC_PARSE_VERSION
 
 config X86_64
 	def_bool 64BIT

arch/x86/um/shared/sysdep/kernel-offsets.h

···
 #define DEFINE(sym, val) \
 	asm volatile("\n->" #sym " %0 " #val : : "i" (val))
 
-#define STR(x) #x
-#define DEFINE_STR(sym, val) asm volatile("\n->" #sym " " STR(val) " " #val: : )
-
 #define BLANK() asm volatile("\n->" : : )
 
 #define OFFSET(sym, str, mem) \

arch/x86/um/shared/sysdep/syscalls.h

···
+extern long sys_clone(unsigned long clone_flags, unsigned long newsp,
+	       void __user *parent_tid, void __user *child_tid);
 #ifdef __i386__
 #include "syscalls_32.h"
 #else

arch/x86/um/signal.c

···
 	PT_REGS_AX(regs) = (unsigned long) sig;
 	PT_REGS_DX(regs) = (unsigned long) 0;
 	PT_REGS_CX(regs) = (unsigned long) 0;
-
-	if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED))
-		ptrace_notify(SIGTRAP);
 	return 0;
 }
 
···
 	PT_REGS_AX(regs) = (unsigned long) sig;
 	PT_REGS_DX(regs) = (unsigned long) &frame->info;
 	PT_REGS_CX(regs) = (unsigned long) &frame->uc;
-
-	if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED))
-		ptrace_notify(SIGTRAP);
 	return 0;
 }
 

arch/x86/um/sys_call_table_32.c

···
 #define ptregs_execve sys_execve
 #define ptregs_iopl sys_iopl
 #define ptregs_vm86old sys_vm86old
-#define ptregs_clone sys_clone
+#define ptregs_clone i386_clone
 #define ptregs_vm86 sys_vm86
 #define ptregs_sigaltstack sys_sigaltstack
 #define ptregs_vfork sys_vfork

arch/x86/um/syscalls_32.c

···
  * Licensed under the GPL
  */
 
-#include "linux/sched.h"
-#include "linux/shm.h"
-#include "linux/ipc.h"
-#include "linux/syscalls.h"
-#include "asm/mman.h"
-#include "asm/uaccess.h"
-#include "asm/unistd.h"
+#include <linux/syscalls.h>
+#include <sysdep/syscalls.h>
 
 /*
  * The prototype on i386 is:
  *
- *     int clone(int flags, void * child_stack, int * parent_tidptr, struct user_desc * newtls, int * child_tidptr)
+ *     int clone(int flags, void * child_stack, int * parent_tidptr, struct user_desc * newtls
  *
  * and the "newtls" arg. on i386 is read by copy_thread directly from the
  * register saved on the stack.
  */
-long sys_clone(unsigned long clone_flags, unsigned long newsp,
-	       int __user *parent_tid, void *newtls, int __user *child_tid)
+long i386_clone(unsigned long clone_flags, unsigned long newsp,
+		int __user *parent_tid, void *newtls, int __user *child_tid)
 {
-	long ret;
-
-	if (!newsp)
-		newsp = UPT_SP(&current->thread.regs.regs);
-
-	current->thread.forking = 1;
-	ret = do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
-		      child_tid);
-	current->thread.forking = 0;
-	return ret;
+	return sys_clone(clone_flags, newsp, parent_tid, child_tid);
 }
+
 
 long sys_sigaction(int sig, const struct old_sigaction __user *act,
 			 struct old_sigaction __user *oact)

arch/x86/um/syscalls_64.c

···
  * Licensed under the GPL
  */
 
-#include "linux/linkage.h"
-#include "linux/personality.h"
-#include "linux/utsname.h"
-#include "asm/prctl.h" /* XXX This should get the constants from libc */
-#include "asm/uaccess.h"
-#include "os.h"
+#include <linux/sched.h>
+#include <asm/prctl.h> /* XXX This should get the constants from libc */
+#include <os.h>
 
 long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
 {
···
 long sys_arch_prctl(int code, unsigned long addr)
 {
 	return arch_prctl(current, code, (unsigned long __user *) addr);
-}
-
-long sys_clone(unsigned long clone_flags, unsigned long newsp,
-	       void __user *parent_tid, void __user *child_tid)
-{
-	long ret;
-
-	if (!newsp)
-		newsp = UPT_SP(&current->thread.regs.regs);
-	current->thread.forking = 1;
-	ret = do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
-		      child_tid);
-	current->thread.forking = 0;
-	return ret;
 }
 
 void arch_switch_to(struct task_struct *to)

arch/x86/xen/enlighten.c

···
 		pci_request_acs();
 
 		xen_acpi_sleep_register();
+
+		/* Avoid searching for BIOS MP tables */
+		x86_init.mpparse.find_smp_config = x86_init_noop;
+		x86_init.mpparse.get_smp_config = x86_init_uint_noop;
 	}
 #ifdef CONFIG_PCI
 	/* PCI BIOS service won't work from a PV guest. */

arch/x86/xen/p2m.c

···
 
 			xen_mc_issue(PARAVIRT_LAZY_MMU);
 		}
-		/* let's use dev_bus_addr to record the old mfn instead */
-		kmap_op->dev_bus_addr = page->index;
-		page->index = (unsigned long) kmap_op;
 	}
 	spin_lock_irqsave(&m2p_override_lock, flags);
 	list_add(&page->lru,  &m2p_overrides[mfn_hash(mfn)]);
···
 	return 0;
 }
 EXPORT_SYMBOL_GPL(m2p_add_override);
-int m2p_remove_override(struct page *page, bool clear_pte)
+int m2p_remove_override(struct page *page,
+		struct gnttab_map_grant_ref *kmap_op)
 {
 	unsigned long flags;
 	unsigned long mfn;
···
 	WARN_ON(!PagePrivate(page));
 	ClearPagePrivate(page);
 
-	if (clear_pte) {
-		struct gnttab_map_grant_ref *map_op =
-			(struct gnttab_map_grant_ref *) page->index;
-		set_phys_to_machine(pfn, map_op->dev_bus_addr);
+	set_phys_to_machine(pfn, page->index);
+	if (kmap_op != NULL) {
 		if (!PageHighMem(page)) {
 			struct multicall_space mcs;
 			struct gnttab_unmap_grant_ref *unmap_op;
···
 			 * issued. In this case handle is going to -1 because
 			 * it hasn't been modified yet.
 			 */
-			if (map_op->handle == -1)
+			if (kmap_op->handle == -1)
 				xen_mc_flush();
 			/*
-			 * Now if map_op->handle is negative it means that the
+			 * Now if kmap_op->handle is negative it means that the
 			 * hypercall actually returned an error.
 			 */
-			if (map_op->handle == GNTST_general_error) {
+			if (kmap_op->handle == GNTST_general_error) {
 				printk(KERN_WARNING "m2p_remove_override: "
 						"pfn %lx mfn %lx, failed to modify kernel mappings",
 						pfn, mfn);
···
 			mcs = xen_mc_entry(
 					sizeof(struct gnttab_unmap_grant_ref));
 			unmap_op = mcs.args;
-			unmap_op->host_addr = map_op->host_addr;
-			unmap_op->handle = map_op->handle;
+			unmap_op->host_addr = kmap_op->host_addr;
+			unmap_op->handle = kmap_op->handle;
 			unmap_op->dev_bus_addr = 0;
 
 			MULTI_grant_table_op(mcs.mc,
···
 			set_pte_at(&init_mm, address, ptep,
 					pfn_pte(pfn, PAGE_KERNEL));
 			__flush_tlb_single(address);
-			map_op->host_addr = 0;
+			kmap_op->host_addr = 0;
 		}
-	} else
-		set_phys_to_machine(pfn, page->index);
+	}
 
 	/* p2m(m2p(mfn)) == FOREIGN_FRAME(mfn): the mfn is already present
 	 * somewhere in this domain, even before being added to the

arch/x86/xen/setup.c

···
 #include <asm/e820.h>
 #include <asm/setup.h>
 #include <asm/acpi.h>
+#include <asm/numa.h>
 #include <asm/xen/hypervisor.h>
 #include <asm/xen/hypercall.h>
 
···
 	disable_cpufreq();
 	WARN_ON(set_pm_idle_to_default());
 	fiddle_vdso();
+#ifdef CONFIG_NUMA
+	numa_off = 1;
+#endif
 }

block/blk-core.c

···
 			error_type = "I/O";
 			break;
 		}
-		printk(KERN_ERR "end_request: %s error, dev %s, sector %llu\n",
-		       error_type, req->rq_disk ? req->rq_disk->disk_name : "?",
-		       (unsigned long long)blk_rq_pos(req));
+		printk_ratelimited(KERN_ERR "end_request: %s error, dev %s, sector %llu\n",
+				   error_type, req->rq_disk ?
+				   req->rq_disk->disk_name : "?",
+				   (unsigned long long)blk_rq_pos(req));
+
 	}
 
 	blk_account_io_completion(req, nr_bytes);

block/ioctl.c

···
 			    sizeof(long long) > sizeof(long)) {
 				long pstart = start, plength = length;
 				if (pstart != start || plength != length
-				    || pstart < 0 || plength < 0)
+				    || pstart < 0 || plength < 0 || partno > 65535)
 					return -EINVAL;
 			}
 

drivers/acpi/bus.c

···
 	} else if (result == ACPI_STATE_D3_HOT) {
 		result = ACPI_STATE_D3;
 	}
+
+	/*
+	 * If we were unsure about the device parent's power state up to this
+	 * point, the fact that the device is in D0 implies that the parent has
+	 * to be in D0 too.
+	 */
+	if (device->parent && device->parent->power.state == ACPI_STATE_UNKNOWN
+	    && result == ACPI_STATE_D0)
+		device->parent->power.state = ACPI_STATE_D0;
+
 	*state = result;
 
  out:

drivers/acpi/power.c

···
 
 	/* List of devices relying on this power resource */
 	struct acpi_power_resource_device *devices;
+	struct mutex devices_lock;
 };
 
 static struct list_head acpi_power_resource_list;
···
 
 static int __acpi_power_on(struct acpi_power_resource *resource)
 {
-	struct acpi_power_resource_device *device_list = resource->devices;
 	acpi_status status = AE_OK;
 
 	status = acpi_evaluate_object(resource->device->handle, "_ON", NULL, NULL);
···
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Power resource [%s] turned on\n",
 			  resource->name));
 
-	while (device_list) {
-		acpi_power_on_device(device_list->device);
-
-		device_list = device_list->next;
-	}
-
 	return 0;
 }
 
 static int acpi_power_on(acpi_handle handle)
 {
 	int result = 0;
+	bool resume_device = false;
 	struct acpi_power_resource *resource = NULL;
+	struct acpi_power_resource_device *device_list;
 
 	result = acpi_power_get_context(handle, &resource);
 	if (result)
···
 		result = __acpi_power_on(resource);
 		if (result)
 			resource->ref_count--;
+		else
+			resume_device = true;
 	}
 
 	mutex_unlock(&resource->resource_lock);
+
+	if (!resume_device)
+		return result;
+
+	mutex_lock(&resource->devices_lock);
+
+	device_list = resource->devices;
+	while (device_list) {
+		acpi_power_on_device(device_list->device);
+		device_list = device_list->next;
+	}
+
+	mutex_unlock(&resource->devices_lock);
 
 	return result;
 }
···
 	if (acpi_power_get_context(res_handle, &resource))
 		return;
 
-	mutex_lock(&resource->resource_lock);
+	mutex_lock(&resource->devices_lock);
 	prev = NULL;
 	curr = resource->devices;
 	while (curr) {
···
 		prev = curr;
 		curr = curr->next;
 	}
-	mutex_unlock(&resource->resource_lock);
+	mutex_unlock(&resource->devices_lock);
 }
 
 /* Unlink dev from all power resources in _PR0 */
···
 
 	power_resource_device->device = powered_device;
 
-	mutex_lock(&resource->resource_lock);
+	mutex_lock(&resource->devices_lock);
 	power_resource_device->next = resource->devices;
 	resource->devices = power_resource_device;
-	mutex_unlock(&resource->resource_lock);
+	mutex_unlock(&resource->devices_lock);
 
 	return 0;
 }
···
 	return ret;
 
 no_power_resource:
-	printk(KERN_WARNING PREFIX "Invalid Power Resource to register!");
+	printk(KERN_DEBUG PREFIX "Invalid Power Resource to register!");
 	return -ENODEV;
 }
 EXPORT_SYMBOL_GPL(acpi_power_resource_register_device);
···
 
 	resource->device = device;
 	mutex_init(&resource->resource_lock);
+	mutex_init(&resource->devices_lock);
 	strcpy(resource->name, device->pnp.bus_id);
 	strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_POWER_CLASS);

drivers/block/aoe/aoecmd.c

···
 		skb_reset_mac_header(skb);
 		skb_reset_network_header(skb);
 		skb->protocol = __constant_htons(ETH_P_AOE);
+		skb_checksum_none_assert(skb);
 	}
 	return skb;
 }

drivers/block/cciss_scsi.c

···
 				}
 			break;
 			case CMD_PROTOCOL_ERR:
+				cmd->result = DID_ERROR << 16;
 				dev_warn(&h->pdev->dev,
 					"%p has protocol error\n", c);
                         break;

drivers/block/mtip32xx/mtip32xx.c

···
 	reply = port->rxfis + RX_FIS_D2H_REG;
 	task_file_data = readl(port->mmio+PORT_TFDATA);
 
-	if ((task_file_data & 1) || (fis->command == ATA_CMD_SEC_ERASE_UNIT))
+	if (fis->command == ATA_CMD_SEC_ERASE_UNIT)
+		clear_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag);
+
+	if ((task_file_data & 1))
 		return false;
 
 	if (fis->command == ATA_CMD_SEC_ERASE_PREP) {
 		set_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
+		set_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag);
 		port->ic_pause_timer = jiffies;
 		return true;
 	} else if ((fis->command == ATA_CMD_DOWNLOAD_MICRO) &&
···
 	int rv = 0, xfer_sz = command[3];
 
 	if (xfer_sz) {
-		if (user_buffer)
+		if (!user_buffer)
 			return -EFAULT;
 
 		buf = dmam_alloc_coherent(&port->dd->pdev->dev,
···
 		*timeout = 240000; /* 4 minutes */
 		break;
 	case ATA_CMD_STANDBYNOW1:
-		*timeout = 10000;  /* 10 seconds */
+		*timeout = 120000;  /* 2 minutes */
 		break;
 	case 0xF7:
 	case 0xFA:
···
 	if (!len || size)
 		return 0;
 
-	if (size < 0)
-		return -EINVAL;
-
 	size += sprintf(&buf[size], "H/ S ACTive      : [ 0x");
 
 	for (n = dd->slot_groups-1; n >= 0; n--)
···
 
 	if (!len || size)
 		return 0;
-
-	if (size < 0)
-		return -EINVAL;
 
 	size += sprintf(&buf[size], "Flag-port : [ %08lX ]\n",
 							dd->port->flags);
···
 				"Unable to check write protect progress\n");
 	else
 		dev_info(&dd->pdev->dev,
-				"Write protect progress: %d%% (%d blocks)\n",
-				attr242.cur, attr242.data);
+				"Write protect progress: %u%% (%u blocks)\n",
+				attr242.cur, le32_to_cpu(attr242.data));
 	return rv;
 
 out3:
···
 		if (unlikely(test_bit(MTIP_DDF_WRITE_PROTECT_BIT,
 							&dd->dd_flag) &&
 				bio_data_dir(bio))) {
+			bio_endio(bio, -ENODATA);
+			return;
+		}
+		if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag))) {
 			bio_endio(bio, -ENODATA);
 			return;
 		}
···
 
 /* Table of device ids supported by this driver. */
 static DEFINE_PCI_DEVICE_TABLE(mtip_pci_tbl) = {
-	{  PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320_DEVICE_ID) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320H_DEVICE_ID) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320M_DEVICE_ID) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320S_DEVICE_ID) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MICRON, P325M_DEVICE_ID) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MICRON, P420H_DEVICE_ID) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MICRON, P420M_DEVICE_ID) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MICRON, P425M_DEVICE_ID) },
 	{ 0 }
 };
 
···
 {
 	int error;
 
-	printk(KERN_INFO MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
+	pr_info(MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
 
 	/* Allocate a major block device number to use with this driver. */
 	error = register_blkdev(0, MTIP_DRV_NAME);
 	if (error <= 0) {
-		printk(KERN_ERR "Unable to register block device (%d)\n",
+		pr_err("Unable to register block device (%d)\n",
 		error);
 		return -EBUSY;
 	}
···
 	if (!dfs_parent) {
 		dfs_parent = debugfs_create_dir("rssd", NULL);
 		if (IS_ERR_OR_NULL(dfs_parent)) {
-			printk(KERN_WARNING "Error creating debugfs parent\n");
+			pr_warn("Error creating debugfs parent\n");
 			dfs_parent = NULL;
 		}
 	}

drivers/block/mtip32xx/mtip32xx.h

···
 
 /* Micron Vendor ID & P320x SSD Device ID */
 #define PCI_VENDOR_ID_MICRON    0x1344
-#define P320_DEVICE_ID		0x5150
+#define P320H_DEVICE_ID		0x5150
+#define P320M_DEVICE_ID		0x5151
+#define P320S_DEVICE_ID		0x5152
+#define P325M_DEVICE_ID		0x5153
+#define P420H_DEVICE_ID		0x5160
+#define P420M_DEVICE_ID		0x5161
+#define P425M_DEVICE_ID		0x5163
 
 /* Driver name and version strings */
 #define MTIP_DRV_NAME		"mtip32xx"
···
 	MTIP_PF_SVC_THD_STOP_BIT    = 8,
 
 	/* below are bit numbers in 'dd_flag' defined in driver_data */
+	MTIP_DDF_SEC_LOCK_BIT	    = 0,
 	MTIP_DDF_REMOVE_PENDING_BIT = 1,
 	MTIP_DDF_OVER_TEMP_BIT      = 2,
 	MTIP_DDF_WRITE_PROTECT_BIT  = 3,
 	MTIP_DDF_STOP_IO      = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) | \
+				(1 << MTIP_DDF_SEC_LOCK_BIT) | \
 				(1 << MTIP_DDF_OVER_TEMP_BIT) | \
 				(1 << MTIP_DDF_WRITE_PROTECT_BIT)),
 

drivers/block/nbd.c

···
 		req->errors++;
 		nbd_end_request(req);
 	}
+
+	while (!list_empty(&nbd->waiting_queue)) {
+		req = list_entry(nbd->waiting_queue.next, struct request,
+				 queuelist);
+		list_del_init(&req->queuelist);
+		req->errors++;
+		nbd_end_request(req);
+	}
 }
 
 
···
 		nbd->file = NULL;
 		nbd_clear_que(nbd);
 		BUG_ON(!list_empty(&nbd->queue_head));
+		BUG_ON(!list_empty(&nbd->waiting_queue));
 		if (file)
 			fput(file);
 		return 0;

drivers/block/rbd.c

···
 {
 	struct rbd_device *rbd_dev = bdev->bd_disk->private_data;
 
-	rbd_get_dev(rbd_dev);
-
-	set_device_ro(bdev, rbd_dev->read_only);
-
 	if ((mode & FMODE_WRITE) && rbd_dev->read_only)
 		return -EROFS;
+
+	rbd_get_dev(rbd_dev);
+	set_device_ro(bdev, rbd_dev->read_only);
 
 	return 0;
 }

drivers/block/xen-blkback/blkback.c

···
 		invcount++;
 	}
 
-	ret = gnttab_unmap_refs(unmap, pages, invcount, false);
+	ret = gnttab_unmap_refs(unmap, NULL, pages, invcount);
 	BUG_ON(ret);
 }
 

drivers/clk/Makefile

···
 # common clock types
+obj-$(CONFIG_HAVE_CLK)		+= clk-devres.o
 obj-$(CONFIG_CLKDEV_LOOKUP)	+= clkdev.o
 obj-$(CONFIG_COMMON_CLK)	+= clk.o clk-fixed-rate.o clk-gate.o \
 				   clk-mux.o clk-divider.o clk-fixed-factor.o

drivers/clk/clk-devres.c

···
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/export.h>
+#include <linux/gfp.h>
+
+static void devm_clk_release(struct device *dev, void *res)
+{
+	clk_put(*(struct clk **)res);
+}
+
+struct clk *devm_clk_get(struct device *dev, const char *id)
+{
+	struct clk **ptr, *clk;
+
+	ptr = devres_alloc(devm_clk_release, sizeof(*ptr), GFP_KERNEL);
+	if (!ptr)
+		return ERR_PTR(-ENOMEM);
+
+	clk = clk_get(dev, id);
+	if (!IS_ERR(clk)) {
+		*ptr = clk;
+		devres_add(dev, ptr);
+	} else {
+		devres_free(ptr);
+	}
+
+	return clk;
+}
+EXPORT_SYMBOL(devm_clk_get);
+
+static int devm_clk_match(struct device *dev, void *res, void *data)
+{
+	struct clk **c = res;
+	if (!c || !*c) {
+		WARN_ON(!c || !*c);
+		return 0;
+	}
+	return *c == data;
+}
+
+void devm_clk_put(struct device *dev, struct clk *clk)
+{
+	int ret;
+
+	ret = devres_release(dev, devm_clk_release, devm_clk_match, clk);
+
+	WARN_ON(ret);
+}
+EXPORT_SYMBOL(devm_clk_put);

drivers/clk/clkdev.c

···
 }
 EXPORT_SYMBOL(clk_put);
 
-static void devm_clk_release(struct device *dev, void *res)
-{
-	clk_put(*(struct clk **)res);
-}
-
-struct clk *devm_clk_get(struct device *dev, const char *id)
-{
-	struct clk **ptr, *clk;
-
-	ptr = devres_alloc(devm_clk_release, sizeof(*ptr), GFP_KERNEL);
-	if (!ptr)
-		return ERR_PTR(-ENOMEM);
-
-	clk = clk_get(dev, id);
-	if (!IS_ERR(clk)) {
-		*ptr = clk;
-		devres_add(dev, ptr);
-	} else {
-		devres_free(ptr);
-	}
-
-	return clk;
-}
-EXPORT_SYMBOL(devm_clk_get);
-
-static int devm_clk_match(struct device *dev, void *res, void *data)
-{
-	struct clk **c = res;
-	if (!c || !*c) {
-		WARN_ON(!c || !*c);
-		return 0;
-	}
-	return *c == data;
-}
-
-void devm_clk_put(struct device *dev, struct clk *clk)
-{
-	int ret;
-
-	ret = devres_destroy(dev, devm_clk_release, devm_clk_match, clk);
-
-	WARN_ON(ret);
-}
-EXPORT_SYMBOL(devm_clk_put);
-
 void clkdev_add(struct clk_lookup *cl)
 {
 	mutex_lock(&clocks_mutex);

drivers/cpufreq/powernow-k8.c

···
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/cpumask.h>
-#include <linux/sched.h>	/* for current / set_cpus_allowed() */
 #include <linux/io.h>
 #include <linux/delay.h>
 
···
 	return res;
 }
 
-/* Driver entry point to switch to the target frequency */
-static int powernowk8_target(struct cpufreq_policy *pol,
-		unsigned targfreq, unsigned relation)
+struct powernowk8_target_arg {
+	struct cpufreq_policy		*pol;
+	unsigned			targfreq;
+	unsigned			relation;
+};
+
+static long powernowk8_target_fn(void *arg)
 {
-	cpumask_var_t oldmask;
+	struct powernowk8_target_arg *pta = arg;
+	struct cpufreq_policy *pol = pta->pol;
+	unsigned targfreq = pta->targfreq;
+	unsigned relation = pta->relation;
 	struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
 	u32 checkfid;
 	u32 checkvid;
 	unsigned int newstate;
-	int ret = -EIO;
+	int ret;
 
 	if (!data)
 		return -EINVAL;
···
 	checkfid = data->currfid;
 	checkvid = data->currvid;
 
-	/* only run on specific CPU from here on. */
-	/* This is poor form: use a workqueue or smp_call_function_single */
-	if (!alloc_cpumask_var(&oldmask, GFP_KERNEL))
-		return -ENOMEM;
-
-	cpumask_copy(oldmask, tsk_cpus_allowed(current));
-	set_cpus_allowed_ptr(current, cpumask_of(pol->cpu));
-
-	if (smp_processor_id() != pol->cpu) {
-		printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
-		goto err_out;
-	}
-
 	if (pending_bit_stuck()) {
 		printk(KERN_ERR PFX "failing targ, change pending bit set\n");
-		goto err_out;
+		return -EIO;
 	}
 
 	pr_debug("targ: cpu %d, %d kHz, min %d, max %d, relation %d\n",
 		pol->cpu, targfreq, pol->min, pol->max, relation);
 
 	if (query_current_values_with_pending_wait(data))
-		goto err_out;
+		return -EIO;
 
 	if (cpu_family != CPU_HW_PSTATE) {
 		pr_debug("targ: curr fid 0x%x, vid 0x%x\n",
···
 
 	if (cpufreq_frequency_table_target(pol, data->powernow_table,
 				targfreq, relation, &newstate))
-		goto err_out;
+		return -EIO;
 
 	mutex_lock(&fidvid_mutex);
 
···
 		ret = transition_frequency_fidvid(data, newstate);
 	if (ret) {
 		printk(KERN_ERR PFX "transition frequency failed\n");
-		ret = 1;
 		mutex_unlock(&fidvid_mutex);
-		goto err_out;
+		return 1;
 	}
 	mutex_unlock(&fidvid_mutex);
 
···
 				data->powernow_table[newstate].index);
 	else
 		pol->cur = find_khz_freq_from_fid(data->currfid);
-	ret = 0;
 
-err_out:
-	set_cpus_allowed_ptr(current, oldmask);
-	free_cpumask_var(oldmask);
-	return ret;
+	return 0;
+}
+
+/* Driver entry point to switch to the target frequency */
+static int powernowk8_target(struct cpufreq_policy *pol,
+		unsigned targfreq, unsigned relation)
+{
+	struct powernowk8_target_arg pta = { .pol = pol, .targfreq = targfreq,
+					     .relation = relation };
+
+	/*
+	 * Must run on @pol->cpu.  cpufreq core is responsible for ensuring
+	 * that we're bound to the current CPU and pol->cpu stays online.
+	 */
+	if (smp_processor_id() == pol->cpu)
+		return powernowk8_target_fn(&pta);
+	else
+		return work_on_cpu(pol->cpu, powernowk8_target_fn, &pta);
 }
 
 /* Driver entry point to verify the policy and range of frequencies */

drivers/dma/at_hdmac.c

···
 			flags);
 
 	if (unlikely(!atslave || !sg_len)) {
-		dev_dbg(chan2dev(chan), "prep_dma_memcpy: length is zero!\n");
+		dev_dbg(chan2dev(chan), "prep_slave_sg: sg length is zero!\n");
 		return NULL;
 	}
 
···
 
 			mem = sg_dma_address(sg);
 			len = sg_dma_len(sg);
+			if (unlikely(!len)) {
+				dev_dbg(chan2dev(chan),
+					"prep_slave_sg: sg(%d) data length is zero\n", i);
+				goto err;
+			}
 			mem_width = 2;
 			if (unlikely(mem & 3 || len & 3))
 				mem_width = 0;
···
 
 			mem = sg_dma_address(sg);
 			len = sg_dma_len(sg);
+			if (unlikely(!len)) {
+				dev_dbg(chan2dev(chan),
+					"prep_slave_sg: sg(%d) data length is zero\n", i);
+				goto err;
+			}
 			mem_width = 2;
 			if (unlikely(mem & 3 || len & 3))
 				mem_width = 0;
···
 
 err_desc_get:
 	dev_err(chan2dev(chan), "not enough descriptors available\n");
+err:
 	atc_desc_put(atchan, first);
 	return NULL;
 }

drivers/dma/pl330.c

···
 		goto xfer_exit;
 	}
 
-	/* Prefer Secure Channel */
-	if (!_manager_ns(thrd))
-		r->cfg->nonsecure = 0;
-	else
-		r->cfg->nonsecure = 1;
 
 	/* Use last settings, if not provided */
-	if (r->cfg)
+	if (r->cfg) {
+		/* Prefer Secure Channel */
+		if (!_manager_ns(thrd))
+			r->cfg->nonsecure = 0;
+		else
+			r->cfg->nonsecure = 1;
+
 		ccr = _prepare_ccr(r->cfg);
-	else
+	} else {
 		ccr = readl(regs + CC(thrd->id));
+	}
 
 	/* If this req doesn't have valid xfer settings */
 	if (!_is_valid(ccr)) {
···
 		num_chan = max_t(int, pi->pcfg.num_peri, pi->pcfg.num_chan);
 
 	pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL);
+	if (!pdmac->peripherals) {
+		ret = -ENOMEM;
+		dev_err(&adev->dev, "unable to allocate pdmac->peripherals\n");
+		goto probe_err5;
+	}
 
 	for (i = 0; i < num_chan; i++) {
 		pch = &pdmac->peripherals[i];

drivers/edac/edac_mc.c

···
 	return (void *)(((unsigned long)ptr) + align - r);
 }
 
+static void _edac_mc_free(struct mem_ctl_info *mci)
+{
+	int i, chn, row;
+	struct csrow_info *csr;
+	const unsigned int tot_dimms = mci->tot_dimms;
+	const unsigned int tot_channels = mci->num_cschannel;
+	const unsigned int tot_csrows = mci->nr_csrows;
+
+	if (mci->dimms) {
+		for (i = 0; i < tot_dimms; i++)
+			kfree(mci->dimms[i]);
+		kfree(mci->dimms);
+	}
+	if (mci->csrows) {
+		for (row = 0; row < tot_csrows; row++) {
+			csr = mci->csrows[row];
+			if (csr) {
+				if (csr->channels) {
+					for (chn = 0; chn < tot_channels; chn++)
+						kfree(csr->channels[chn]);
+					kfree(csr->channels);
+				}
+				kfree(csr);
+			}
+		}
+		kfree(mci->csrows);
+	}
+	kfree(mci);
+}
+
 /**
  * edac_mc_alloc: Allocate and partially fill a struct mem_ctl_info structure
  * @mc_num:		Memory controller number
···
 	return mci;
 
 error:
-	if (mci->dimms) {
-		for (i = 0; i < tot_dimms; i++)
-			kfree(mci->dimms[i]);
-		kfree(mci->dimms);
-	}
-	if (mci->csrows) {
-		for (chn = 0; chn < tot_channels; chn++) {
-			csr = mci->csrows[chn];
-			if (csr) {
-				for (chn = 0; chn < tot_channels; chn++)
-					kfree(csr->channels[chn]);
-				kfree(csr);
-			}
-			kfree(mci->csrows[i]);
-		}
-		kfree(mci->csrows);
-	}
-	kfree(mci);
+	_edac_mc_free(mci);
 
 	return NULL;
 }
···
 void edac_mc_free(struct mem_ctl_info *mci)
 {
 	edac_dbg(1, "\n");
+
+	/* If we're not yet registered with sysfs free only what was allocated
+	 * in edac_mc_alloc().
+	 */
+	if (!device_is_registered(&mci->dev)) {
+		_edac_mc_free(mci);
+		return;
+	}
 
 	/* the mci instance is freed here, when the sysfs object is dropped */
 	edac_unregister_sysfs(mci);

drivers/edac/i3200_edac.c

···
 		for (j = 0; j < nr_channels; j++) {
 			struct dimm_info *dimm = csrow->channels[j]->dimm;
 
-			dimm->nr_pages = nr_pages / nr_channels;
+			dimm->nr_pages = nr_pages;
 			dimm->grain = nr_pages << PAGE_SHIFT;
 			dimm->mtype = MEM_DDR2;
 			dimm->dtype = DEV_UNKNOWN;

drivers/edac/i5000_edac.c

···
 			/* add the number of COLUMN bits */
 			addrBits += MTR_DIMM_COLS_ADDR_BITS(mtr);
 
+			/* Dual-rank memories have twice the size */
+			if (dinfo->dual_rank)
+				addrBits++;
+
 			addrBits += 6;	/* add 64 bits per DIMM */
 			addrBits -= 20;	/* divide by 2^^20 */
 			addrBits -= 3;	/* 8 bits per bytes */

drivers/edac/sb_edac.c

···
 {
 	struct sbridge_pvt *pvt = mci->pvt_info;
 	struct dimm_info *dimm;
-	int i, j, banks, ranks, rows, cols, size, npages;
+	unsigned i, j, banks, ranks, rows, cols, npages;
+	u64 size;
 	u32 reg;
 	enum edac_type mode;
 	enum mem_type mtype;
···
 				cols = numcol(mtr);
 
 				/* DDR3 has 8 I/O banks */
-				size = (rows * cols * banks * ranks) >> (20 - 3);
+				size = ((u64)rows * cols * banks * ranks) >> (20 - 3);
 				npages = MiB_TO_PAGES(size);
 
-				edac_dbg(0, "mc#%d: channel %d, dimm %d, %d Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
+				edac_dbg(0, "mc#%d: channel %d, dimm %d, %Ld Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n",
 					 pvt->sbridge_dev->mc, i, j,
 					 size, npages,
 					 banks, ranks, rows, cols);

drivers/extcon/extcon-max77693.c

···
 	}
 	info->dev = &pdev->dev;
 	info->max77693 = max77693;
-	info->max77693->regmap_muic = regmap_init_i2c(info->max77693->muic,
-					 &max77693_muic_regmap_config);
-	if (IS_ERR(info->max77693->regmap_muic)) {
-		ret = PTR_ERR(info->max77693->regmap_muic);
-		dev_err(max77693->dev,
-			"failed to allocate register map: %d\n", ret);
-		goto err_regmap;
+	if (info->max77693->regmap_muic)
+		dev_dbg(&pdev->dev, "allocate register map\n");
+	else {
+		info->max77693->regmap_muic = devm_regmap_init_i2c(
+						info->max77693->muic,
+						&max77693_muic_regmap_config);
+		if (IS_ERR(info->max77693->regmap_muic)) {
+			ret = PTR_ERR(info->max77693->regmap_muic);
+			dev_err(max77693->dev,
+				"failed to allocate register map: %d\n", ret);
+			goto err_regmap;
+		}
 	}
 	platform_set_drvdata(pdev, info);
 	mutex_init(&info->mutex);

drivers/gpio/gpio-lpc32xx.c

···
 {
 	struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
 
+	__set_gpio_level_p012(group, pin, value);
 	__set_gpio_dir_p012(group, pin, 0);
 
 	return 0;
···
 {
 	struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
 
+	__set_gpio_level_p3(group, pin, value);
 	__set_gpio_dir_p3(group, pin, 0);
 
 	return 0;
···
 static int lpc32xx_gpio_dir_out_always(struct gpio_chip *chip, unsigned pin,
 	int value)
 {
+	struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
+
+	__set_gpo_level_p3(group, pin, value);
 	return 0;
 }
 

drivers/gpu/drm/i915/i915_gem.c

···
 {
 	int ret;
 
-	BUG_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT);
+	if (WARN_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
+		return -EBUSY;
 
 	if (obj->gtt_space != NULL) {
 		if ((alignment && obj->gtt_offset & (alignment - 1)) ||

drivers/gpu/drm/i915/intel_display.c

···
 	POSTING_READ(DPLL(pipe));
 	udelay(150);
 
-	I915_WRITE(DPLL(pipe), dpll);
-
-	/* Wait for the clocks to stabilize. */
-	POSTING_READ(DPLL(pipe));
-	udelay(150);
-
 	/* The LVDS pin pair needs to be on before the DPLLs are enabled.
 	 * This is an exception to the general rule that mode_set doesn't turn
 	 * things on.
 	 */
 	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
 		intel_update_lvds(crtc, clock, adjusted_mode);
+
+	I915_WRITE(DPLL(pipe), dpll);
+
+	/* Wait for the clocks to stabilize. */
+	POSTING_READ(DPLL(pipe));
+	udelay(150);
 
 	/* The pixel multiplier can only be updated once the
 	 * DPLL is enabled and the clocks are stable.

drivers/gpu/drm/i915/intel_hdmi.c

···
 	u32 temp;
 	u32 enable_bits = SDVO_ENABLE;
 
-	if (intel_hdmi->has_audio)
+	if (intel_hdmi->has_audio || mode != DRM_MODE_DPMS_ON)
 		enable_bits |= SDVO_AUDIO_ENABLE;
 
 	temp = I915_READ(intel_hdmi->sdvox_reg);

drivers/gpu/drm/nouveau/nouveau_abi16.c

···
 			return 0;
 	} else
 	if (init->class == 0x906e) {
-		NV_ERROR(dev, "906e not supported yet\n");
+		NV_DEBUG(dev, "906e not supported yet\n");
 		return -EINVAL;
 	}
 

drivers/gpu/drm/nouveau/nv50_gpio.c

···
  * Authors: Ben Skeggs
  */
 
+#include <linux/dmi.h>
 #include "drmP.h"
 #include "nouveau_drv.h"
 #include "nouveau_hw.h"
···
 		nv_wr32(dev, 0xe074, intr1);
 }
 
+static struct dmi_system_id gpio_reset_ids[] = {
+	{
+		.ident = "Apple Macbook 10,1",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro10,1"),
+		}
+	},
+	{ }
+};
+
 int
 nv50_gpio_init(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 
 	/* initialise gpios and routing to vbios defaults */
-	nouveau_gpio_reset(dev);
+	if (dmi_check_system(gpio_reset_ids))
+		nouveau_gpio_reset(dev);
 
 	/* disable, and ack any pending gpio interrupts */
 	nv_wr32(dev, 0xe050, 0x00000000);

drivers/gpu/drm/nouveau/nvc0_fb.c

···
 	priv = dev_priv->engine.fb.priv;
 
 	nv_wr32(dev, 0x100c10, priv->r100c10 >> 8);
+	nv_mask(dev, 0x17e820, 0x00100000, 0x00000000); /* NV_PLTCG_INTR_EN */
 	return 0;
 }
 

drivers/gpu/drm/nouveau/nvc0_fifo.c

···
 static void
 nvc0_fifo_isr(struct drm_device *dev)
 {
-	u32 stat = nv_rd32(dev, 0x002100);
+	u32 mask = nv_rd32(dev, 0x002140);
+	u32 stat = nv_rd32(dev, 0x002100) & mask;
 
 	if (stat & 0x00000100) {
 		NV_INFO(dev, "PFIFO: unknown status 0x00000100\n");

drivers/gpu/drm/nouveau/nve0_fifo.c

···
 static void
 nve0_fifo_isr(struct drm_device *dev)
 {
-	u32 stat = nv_rd32(dev, 0x002100);
+	u32 mask = nv_rd32(dev, 0x002140);
+	u32 stat = nv_rd32(dev, 0x002100) & mask;
 
 	if (stat & 0x00000100) {
 		NV_INFO(dev, "PFIFO: unknown status 0x00000100\n");

drivers/gpu/drm/radeon/atombios_crtc.c

···
 	}
 }
 
-/**
- * radeon_get_pll_use_mask - look up a mask of which pplls are in use
- *
- * @crtc: drm crtc
- *
- * Returns the mask of which PPLLs (Pixel PLLs) are in use.
- */
-static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_crtc *test_crtc;
-	struct radeon_crtc *radeon_test_crtc;
-	u32 pll_in_use = 0;
-
-	list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
-		if (crtc == test_crtc)
-			continue;
-
-		radeon_test_crtc = to_radeon_crtc(test_crtc);
-		if (radeon_test_crtc->pll_id != ATOM_PPLL_INVALID)
-			pll_in_use |= (1 << radeon_test_crtc->pll_id);
-	}
-	return pll_in_use;
-}
-
-/**
- * radeon_get_shared_dp_ppll - return the PPLL used by another crtc for DP
- *
- * @crtc: drm crtc
- *
- * Returns the PPLL (Pixel PLL) used by another crtc/encoder which is
- * also in DP mode.  For DP, a single PPLL can be used for all DP
- * crtcs/encoders.
- */
-static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc)
-{
-	struct drm_device *dev = crtc->dev;
-	struct drm_encoder *test_encoder;
-	struct radeon_crtc *radeon_test_crtc;
-
-	list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
-		if (test_encoder->crtc && (test_encoder->crtc != crtc)) {
-			if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_encoder))) {
-				/* for DP use the same PLL for all */
-				radeon_test_crtc = to_radeon_crtc(test_encoder->crtc);
-				if (radeon_test_crtc->pll_id != ATOM_PPLL_INVALID)
-					return radeon_test_crtc->pll_id;
-			}
-		}
-	}
-	return ATOM_PPLL_INVALID;
-}
-
-/**
- * radeon_atom_pick_pll - Allocate a PPLL for use by the crtc.
- *
- * @crtc: drm crtc
- *
- * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
- * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
- * monitors a dedicated PPLL must be used.  If a particular board has
- * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
- * as there is no need to program the PLL itself.  If we are not able to
- * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
- * avoid messing up an existing monitor.
- *
- * Asic specific PLL information
- *
- * DCE 6.1
- * - PPLL2 is only available to UNIPHYA (both DP and non-DP)
- * - PPLL0, PPLL1 are available for UNIPHYB/C/D/E/F (both DP and non-DP)
- *
- * DCE 6.0
- * - PPLL0 is available to all UNIPHY (DP only)
- * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
- *
- * DCE 5.0
- * - DCPLL is available to all UNIPHY (DP only)
- * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
- *
- * DCE 3.0/4.0/4.1
- * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
- *
- */
 static int radeon_atom_pick_pll(struct drm_crtc *crtc)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct drm_encoder *test_encoder;
-	u32 pll_in_use;
-	int pll;
+	struct drm_crtc *test_crtc;
+	uint32_t pll_in_use = 0;
 
 	if (ASIC_IS_DCE61(rdev)) {
 		list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
···
 
 				if ((test_radeon_encoder->encoder_id ==
 				     ENCODER_OBJECT_ID_INTERNAL_UNIPHY) &&
-				    (dig->linkb == false))
-					/* UNIPHY A uses PPLL2 */
+				    (dig->linkb == false)) /* UNIPHY A uses PPLL2 */
 					return ATOM_PPLL2;
-				else if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_encoder))) {
-					/* UNIPHY B/C/D/E/F */
-					if (rdev->clock.dp_extclk)
-						/* skip PPLL programming if using ext clock */
-						return ATOM_PPLL_INVALID;
-					else {
-						/* use the same PPLL for all DP monitors */
-						pll = radeon_get_shared_dp_ppll(crtc);
-						if (pll != ATOM_PPLL_INVALID)
-							return pll;
-					}
-				}
-				break;
 			}
 		}
 		/* UNIPHY B/C/D/E/F */
-		pll_in_use = radeon_get_pll_use_mask(crtc);
-		if (!(pll_in_use & (1 << ATOM_PPLL0)))
+		list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
+			struct radeon_crtc *radeon_test_crtc;
+
+			if (crtc == test_crtc)
+				continue;
+
+			radeon_test_crtc = to_radeon_crtc(test_crtc);
+			if ((radeon_test_crtc->pll_id == ATOM_PPLL0) ||
+			    (radeon_test_crtc->pll_id == ATOM_PPLL1))
+				pll_in_use |= (1 << radeon_test_crtc->pll_id);
+		}
+		if (!(pll_in_use & 4))
 			return ATOM_PPLL0;
-		if (!(pll_in_use & (1 << ATOM_PPLL1)))
-			return ATOM_PPLL1;
-		DRM_ERROR("unable to allocate a PPLL\n");
-		return ATOM_PPLL_INVALID;
+		return ATOM_PPLL1;
 	} else if (ASIC_IS_DCE4(rdev)) {
 		list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
 			if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
 				/* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock,
 				 * depending on the asic:
 				 * DCE4: PPLL or ext clock
-				 * DCE5: PPLL, DCPLL, or ext clock
-				 * DCE6: PPLL, PPLL0, or ext clock
+				 * DCE5: DCPLL or ext clock
 				 *
 				 * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip
 				 * PPLL/DCPLL programming and only program the DP DTO for the
···
 				 */
 				if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_encoder))) {
 					if (rdev->clock.dp_extclk)
-						/* skip PPLL programming if using ext clock */
 						return ATOM_PPLL_INVALID;
 					else if (ASIC_IS_DCE6(rdev))
-						/* use PPLL0 for all DP */
 						return ATOM_PPLL0;
 					else if (ASIC_IS_DCE5(rdev))
-						/* use DCPLL for all DP */
 						return ATOM_DCPLL;
-					else {
-						/* use the same PPLL for all DP monitors */
-						pll = radeon_get_shared_dp_ppll(crtc);
-						if (pll != ATOM_PPLL_INVALID)
-							return pll;
-					}
 				}
-				break;
 			}
 		}
-		/* all other cases */
-		pll_in_use = radeon_get_pll_use_mask(crtc);
-		if (!(pll_in_use & (1 << ATOM_PPLL2)))
-			return ATOM_PPLL2;
-		if (!(pll_in_use & (1 << ATOM_PPLL1)))
+
+		/* otherwise, pick one of the plls */
+		list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
+			struct radeon_crtc *radeon_test_crtc;
+
+			if (crtc == test_crtc)
+				continue;
+
+			radeon_test_crtc = to_radeon_crtc(test_crtc);
+			if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) &&
+			    (radeon_test_crtc->pll_id <= ATOM_PPLL2))
+				pll_in_use |= (1 << radeon_test_crtc->pll_id);
+		}
+		if (!(pll_in_use & 1))
 			return ATOM_PPLL1;
-		DRM_ERROR("unable to allocate a PPLL\n");
-		return ATOM_PPLL_INVALID;
+		return ATOM_PPLL2;
 	} else
-		/* use PPLL1 or PPLL2 */
 		return radeon_crtc->crtc_id;
 
 }
···
 		break;
 	}
 done:
-	radeon_crtc->pll_id = ATOM_PPLL_INVALID;
+	radeon_crtc->pll_id = -1;
 }
 
 static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
···
 		else
 			radeon_crtc->crtc_offset = 0;
 	}
-	radeon_crtc->pll_id = ATOM_PPLL_INVALID;
+	radeon_crtc->pll_id = -1;
 	drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
 }

drivers/gpu/drm/radeon/r100.c

···
 	ring->ready = true;
 	radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
 
-	if (radeon_ring_supports_scratch_reg(rdev, ring)) {
+	if (!ring->rptr_save_reg /* not resuming from suspend */
+	    && radeon_ring_supports_scratch_reg(rdev, ring)) {
 		r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
 		if (r) {
 			DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);

drivers/gpu/drm/udl/udl_connector.c

···
 static int udl_mode_valid(struct drm_connector *connector,
 			  struct drm_display_mode *mode)
 {
+	struct udl_device *udl = connector->dev->dev_private;
+	if (!udl->sku_pixel_limit)
+		return 0;
+
+	if (mode->vdisplay * mode->hdisplay > udl->sku_pixel_limit)
+		return MODE_VIRTUAL_Y;
+
 	return 0;
 }
 

drivers/gpu/drm/vmwgfx/vmwgfx_fence.c

···
 	}
 
 
-	event = kzalloc(sizeof(event->event), GFP_KERNEL);
+	event = kzalloc(sizeof(*event), GFP_KERNEL);
 	if (unlikely(event == NULL)) {
 		DRM_ERROR("Failed to allocate an event.\n");
 		ret = -ENOMEM;

drivers/hid/hid-lenovo-tpkbd.c

···
 	led_classdev_unregister(&data_pointer->led_mute);
 
 	hid_set_drvdata(hdev, NULL);
+	kfree(data_pointer->led_micmute.name);
+	kfree(data_pointer->led_mute.name);
 	kfree(data_pointer);
 }
 

drivers/hid/hid-logitech-dj.c

···
 static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf,
 					size_t count,
 					unsigned char report_type);
+static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev);
 
 static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev,
 						struct dj_report *dj_report)
···
 	if (dj_report->report_params[DEVICE_PAIRED_PARAM_SPFUNCTION] &
 	    SPFUNCTION_DEVICE_LIST_EMPTY) {
 		dbg_hid("%s: device list is empty\n", __func__);
+		djrcv_dev->querying_devices = false;
 		return;
 	}
 
···
 	    (dj_report->device_index > DJ_DEVICE_INDEX_MAX)) {
 		dev_err(&djrcv_hdev->dev, "%s: invalid device index:%d\n",
 			__func__, dj_report->device_index);
+		return;
+	}
+
+	if (djrcv_dev->paired_dj_devices[dj_report->device_index]) {
+		/* The device is already known. No need to reallocate it. */
+		dbg_hid("%s: device is already known\n", __func__);
 		return;
 	}
 
···
 	struct dj_report dj_report;
 	unsigned long flags;
 	int count;
+	int retval;
 
 	dbg_hid("%s\n", __func__);
 
···
 		logi_dj_recv_destroy_djhid_device(djrcv_dev, &dj_report);
 		break;
 	default:
+	/* A normal report (i. e. not belonging to a pair/unpair notification)
+	 * arriving here, means that the report arrived but we did not have a
+	 * paired dj_device associated to the report's device_index, this
+	 * means that the original "device paired" notification corresponding
+	 * to this dj_device never arrived to this driver. The reason is that
+	 * hid-core discards all packets coming from a device while probe() is
+	 * executing. */
+	if (!djrcv_dev->paired_dj_devices[dj_report.device_index]) {
+		/* ok, we don't know the device, just re-ask the
+		 * receiver for the list of connected devices. */
+		retval = logi_dj_recv_query_paired_devices(djrcv_dev);
+		if (!retval) {
+			/* everything went fine, so just leave */
+			break;
+		}
+		dev_err(&djrcv_dev->hdev->dev,
+			"%s:logi_dj_recv_query_paired_devices "
+			"error:%d\n", __func__, retval);
+		}
 		dbg_hid("%s: unexpected report type\n", __func__);
 	}
 }
···
 	if (!djdev) {
 		dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]"
 			" is NULL, index %d\n", dj_report->device_index);
+		kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report));
+
+		if (schedule_work(&djrcv_dev->work) == 0) {
+			dbg_hid("%s: did not schedule the work item, was already "
+			"queued\n", __func__);
+		}
 		return;
 	}
 
···
 	if (dj_device == NULL) {
 		dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]"
 			" is NULL, index %d\n", dj_report->device_index);
+		kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report));
+
+		if (schedule_work(&djrcv_dev->work) == 0) {
+			dbg_hid("%s: did not schedule the work item, was already "
+			"queued\n", __func__);
+		}
 		return;
 	}
 
···
 	struct dj_report *dj_report;
 	int retval;
 
+	/* no need to protect djrcv_dev->querying_devices */
+	if (djrcv_dev->querying_devices)
+		return 0;
+
 	dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL);
 	if (!dj_report)
 		return -ENOMEM;
···
 	kfree(dj_report);
 	return retval;
 }
+
 
 static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev,
 					  unsigned timeout)

drivers/hid/hid-logitech-dj.h

···
 	struct work_struct work;
 	struct kfifo notif_fifo;
 	spinlock_t lock;
+	bool querying_devices;
 };
 
 struct dj_device {

drivers/hwmon/ad7314.c

···
 	}
 }
 
+static ssize_t ad7314_show_name(struct device *dev,
+				struct device_attribute *devattr, char *buf)
+{
+	return sprintf(buf, "%s\n", to_spi_device(dev)->modalias);
+}
+
+static DEVICE_ATTR(name, S_IRUGO, ad7314_show_name, NULL);
 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO,
 			  ad7314_show_temperature, NULL, 0);
 
 static struct attribute *ad7314_attributes[] = {
+	&dev_attr_name.attr,
 	&sensor_dev_attr_temp1_input.dev_attr.attr,
 	NULL,
 };

drivers/hwmon/ads7871.c

···
 	}
 }
 
+static ssize_t ads7871_show_name(struct device *dev,
+				 struct device_attribute *devattr, char *buf)
+{
+	return sprintf(buf, "%s\n", to_spi_device(dev)->modalias);
+}
+
 static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_voltage, NULL, 0);
 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_voltage, NULL, 1);
 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_voltage, NULL, 2);
···
 static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_voltage, NULL, 5);
 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_voltage, NULL, 6);
 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_voltage, NULL, 7);
+
+static DEVICE_ATTR(name, S_IRUGO, ads7871_show_name, NULL);
 
 static struct attribute *ads7871_attributes[] = {
 	&sensor_dev_attr_in0_input.dev_attr.attr,
···
 	&sensor_dev_attr_in5_input.dev_attr.attr,
 	&sensor_dev_attr_in6_input.dev_attr.attr,
 	&sensor_dev_attr_in7_input.dev_attr.attr,
+	&dev_attr_name.attr,
 	NULL
 };
 

drivers/hwmon/applesmc.c

···
 
 #define APPLESMC_MAX_DATA_LENGTH 32
 
-/* wait up to 32 ms for a status change. */
+/* wait up to 128 ms for a status change. */
 #define APPLESMC_MIN_WAIT	0x0010
 #define APPLESMC_RETRY_WAIT	0x0100
-#define APPLESMC_MAX_WAIT	0x8000
+#define APPLESMC_MAX_WAIT	0x20000
 
 #define APPLESMC_READ_CMD	0x10
 #define APPLESMC_WRITE_CMD	0x11

drivers/hwmon/coretemp.c

···
 	if (err)
 		goto exit;
 
+	get_online_cpus();
 	for_each_online_cpu(i)
 		get_core_online(i);
 
 #ifndef CONFIG_HOTPLUG_CPU
 	if (list_empty(&pdev_list)) {
+		put_online_cpus();
 		err = -ENODEV;
 		goto exit_driver_unreg;
 	}
 #endif
 
 	register_hotcpu_notifier(&coretemp_cpu_notifier);
+	put_online_cpus();
 	return 0;
 
 #ifndef CONFIG_HOTPLUG_CPU
···
 {
 	struct pdev_entry *p, *n;
 
+	get_online_cpus();
 	unregister_hotcpu_notifier(&coretemp_cpu_notifier);
 	mutex_lock(&pdev_list_mutex);
 	list_for_each_entry_safe(p, n, &pdev_list, list) {
···
 		kfree(p);
 	}
 	mutex_unlock(&pdev_list_mutex);
+	put_online_cpus();
 	platform_driver_unregister(&coretemp_driver);
 }
 

drivers/hwmon/fam15h_power.c

···
  * counter saturations resulting in bogus power readings.
  * We correct this value ourselves to cope with older BIOSes.
  */
-static DEFINE_PCI_DEVICE_TABLE(affected_device) = {
+static const struct pci_device_id affected_device[] = {
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) },
 	{ 0 }
 };
 
-static void __devinit tweak_runavg_range(struct pci_dev *pdev)
+static void tweak_runavg_range(struct pci_dev *pdev)
 {
 	u32 val;
 
···
 		PCI_DEVFN(PCI_SLOT(pdev->devfn), 5),
 		REG_TDP_RUNNING_AVERAGE, val);
 }
+
+#ifdef CONFIG_PM
+static int fam15h_power_resume(struct pci_dev *pdev)
+{
+	tweak_runavg_range(pdev);
+	return 0;
+}
+#else
+#define fam15h_power_resume NULL
+#endif
 
 static void __devinit fam15h_power_init_data(struct pci_dev *f4,
 					     struct fam15h_power_data *data)
···
 	.id_table = fam15h_power_id_table,
 	.probe = fam15h_power_probe,
 	.remove = __devexit_p(fam15h_power_remove),
+	.resume = fam15h_power_resume,
 };
 
 module_pci_driver(fam15h_power_driver);

drivers/hwmon/via-cputemp.c

···
 	if (err)
 		goto exit;
 
+	get_online_cpus();
 	for_each_online_cpu(i) {
 		struct cpuinfo_x86 *c = &cpu_data(i);
 
···
 
 #ifndef CONFIG_HOTPLUG_CPU
 	if (list_empty(&pdev_list)) {
+		put_online_cpus();
 		err = -ENODEV;
 		goto exit_driver_unreg;
 	}
 #endif
 
 	register_hotcpu_notifier(&via_cputemp_cpu_notifier);
+	put_online_cpus();
 	return 0;
 
 #ifndef CONFIG_HOTPLUG_CPU
···
 {
 	struct pdev_entry *p, *n;
 
+	get_online_cpus();
 	unregister_hotcpu_notifier(&via_cputemp_cpu_notifier);
 	mutex_lock(&pdev_list_mutex);
 	list_for_each_entry_safe(p, n, &pdev_list, list) {
···
 		kfree(p);
 	}
 	mutex_unlock(&pdev_list_mutex);
+	put_online_cpus();
 	platform_driver_unregister(&via_cputemp_driver);
 }
 

drivers/hwspinlock/hwspinlock_core.c

···
  */
 int hwspin_lock_free(struct hwspinlock *hwlock)
 {
-	struct device *dev = hwlock->bank->dev;
+	struct device *dev;
 	struct hwspinlock *tmp;
 	int ret;
 
···
 		return -EINVAL;
 	}
 
+	dev = hwlock->bank->dev;
 	mutex_lock(&hwspinlock_tree_lock);
 
 	/* make sure the hwspinlock is used */

drivers/infiniband/hw/cxgb4/cm.c

···
 	struct tid_info *t = dev->rdev.lldi.tids;
 
 	ep = lookup_tid(t, tid);
-	PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
 	if (!ep) {
 		printk(KERN_WARNING MOD "Abort rpl to freed endpoint\n");
 		return 0;
 	}
+	PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
 	mutex_lock(&ep->com.mutex);
 	switch (ep->com.state) {
 	case ABORTING:

drivers/infiniband/hw/ocrdma/ocrdma_verbs.c

···
 	u32 wqe_idx;
 
 	if (!qp->wqe_wr_id_tbl[tail].signaled) {
-		expand = true;	/* CQE cannot be consumed yet */
 		*polled = false;    /* WC cannot be consumed yet */
 	} else {
 		ibwc->status = IB_WC_SUCCESS;
···
 		ibwc->qp = &qp->ibqp;
 		ocrdma_update_wc(qp, ibwc, tail);
 		*polled = true;
-		wqe_idx = le32_to_cpu(cqe->wq.wqeidx) &	OCRDMA_CQE_WQEIDX_MASK;
-		if (tail != wqe_idx)
-			expand = true; /* Coalesced CQE can't be consumed yet */
 	}
+	wqe_idx = le32_to_cpu(cqe->wq.wqeidx) &	OCRDMA_CQE_WQEIDX_MASK;
+	if (tail != wqe_idx)
+		expand = true; /* Coalesced CQE can't be consumed yet */
+
 	ocrdma_hwq_inc_tail(&qp->sq);
 	return expand;
 }

drivers/infiniband/hw/qib/qib_mad.c

···
 		if (port_num != port) {
 			ibp = to_iport(ibdev, port_num);
 			ret = check_mkey(ibp, smp, 0);
-			if (ret)
+			if (ret) {
 				ret = IB_MAD_RESULT_FAILURE;
 				goto bail;
+			}
 		}
 	}
 

drivers/infiniband/ulp/ipoib/ipoib.h

···
 	u16     max_coalesced_frames;
 };
 
+struct ipoib_neigh_table;
+
 struct ipoib_neigh_hash {
+	struct ipoib_neigh_table       *ntbl;
 	struct ipoib_neigh __rcu      **buckets;
 	struct rcu_head			rcu;
 	u32				mask;
···
 
 struct ipoib_neigh_table {
 	struct ipoib_neigh_hash __rcu  *htbl;
-	rwlock_t			rwlock;
 	atomic_t			entries;
 	struct completion		flushed;
+	struct completion		deleted;
 };
 
 /*

drivers/infiniband/ulp/ipoib/ipoib_main.c

···
 	struct ipoib_neigh *neigh;
 	unsigned long flags;
 
+	spin_lock_irqsave(&priv->lock, flags);
 	neigh = ipoib_neigh_alloc(daddr, dev);
 	if (!neigh) {
+		spin_unlock_irqrestore(&priv->lock, flags);
 		++dev->stats.tx_dropped;
 		dev_kfree_skb_any(skb);
 		return;
 	}
-
-	spin_lock_irqsave(&priv->lock, flags);
 
 	path = __path_find(dev, daddr + 4);
 	if (!path) {
···
 	if (test_bit(IPOIB_STOP_NEIGH_GC, &priv->flags))
 		return;
 
-	write_lock_bh(&ntbl->rwlock);
+	spin_lock_irqsave(&priv->lock, flags);
 
 	htbl = rcu_dereference_protected(ntbl->htbl,
-					 lockdep_is_held(&ntbl->rwlock));
+					 lockdep_is_held(&priv->lock));
 
 	if (!htbl)
 		goto out_unlock;
···
 		struct ipoib_neigh __rcu **np = &htbl->buckets[i];
 
 		while ((neigh = rcu_dereference_protected(*np,
-							  lockdep_is_held(&ntbl->rwlock))) != NULL) {
+							  lockdep_is_held(&priv->lock))) != NULL) {
 			/* was the neigh idle for two GC periods */
 			if (time_after(neigh_obsolete, neigh->alive)) {
 				rcu_assign_pointer(*np,
 						   rcu_dereference_protected(neigh->hnext,
-									     lockdep_is_held(&ntbl->rwlock)));
+									     lockdep_is_held(&priv->lock)));
 				/* remove from path/mc list */
-				spin_lock_irqsave(&priv->lock, flags);
 				list_del(&neigh->list);
-				spin_unlock_irqrestore(&priv->lock, flags);
 				call_rcu(&neigh->rcu, ipoib_neigh_reclaim);
 			} else {
 				np = &neigh->hnext;
···
 	}
 
 out_unlock:
-	write_unlock_bh(&ntbl->rwlock);
+	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
 static void ipoib_reap_neigh(struct work_struct *work)
···
 	struct ipoib_neigh *neigh;
 	u32 hash_val;
 
-	write_lock_bh(&ntbl->rwlock);
-
 	htbl = rcu_dereference_protected(ntbl->htbl,
-					 lockdep_is_held(&ntbl->rwlock));
+					 lockdep_is_held(&priv->lock));
 	if (!htbl) {
 		neigh = NULL;
 		goto out_unlock;
···
 	 */
 	hash_val = ipoib_addr_hash(htbl, daddr);
 	for (neigh = rcu_dereference_protected(htbl->buckets[hash_val],
-					       lockdep_is_held(&ntbl->rwlock));
+					       lockdep_is_held(&priv->lock));
 	     neigh != NULL;
 	     neigh = rcu_dereference_protected(neigh->hnext,
-					       lockdep_is_held(&ntbl->rwlock))) {
+					       lockdep_is_held(&priv->lock))) {
 		if (memcmp(daddr, neigh->daddr, INFINIBAND_ALEN) == 0) {
 			/* found, take one ref on behalf of the caller */
 			if (!atomic_inc_not_zero(&neigh->refcnt)) {
···
 	/* put in hash */
 	rcu_assign_pointer(neigh->hnext,
 			   rcu_dereference_protected(htbl->buckets[hash_val],
-						     lockdep_is_held(&ntbl->rwlock)));
+						     lockdep_is_held(&priv->lock)));
 	rcu_assign_pointer(htbl->buckets[hash_val], neigh);
 	atomic_inc(&ntbl->entries);
 
 out_unlock:
-	write_unlock_bh(&ntbl->rwlock);
 
 	return neigh;
 }
···
 	struct ipoib_neigh *n;
 	u32 hash_val;
 
-	write_lock_bh(&ntbl->rwlock);
-
 	htbl = rcu_dereference_protected(ntbl->htbl,
-					lockdep_is_held(&ntbl->rwlock));
+					lockdep_is_held(&priv->lock));
 	if (!htbl)
-		goto out_unlock;
+		return;
 
 	hash_val = ipoib_addr_hash(htbl, neigh->daddr);
 	np = &htbl->buckets[hash_val];
 	for (n = rcu_dereference_protected(*np,
-					    lockdep_is_held(&ntbl->rwlock));
+					    lockdep_is_held(&priv->lock));
 	     n != NULL;
 	     n = rcu_dereference_protected(*np,
-					lockdep_is_held(&ntbl->rwlock))) {
+					lockdep_is_held(&priv->lock))) {
 		if (n == neigh) {
 			/* found */
 			rcu_assign_pointer(*np,
 					   rcu_dereference_protected(neigh->hnext,
-								     lockdep_is_held(&ntbl->rwlock)));
+								     lockdep_is_held(&priv->lock)));
 			call_rcu(&neigh->rcu, ipoib_neigh_reclaim);
-			goto out_unlock;
+			return;
 		} else {
 			np = &n->hnext;
 		}
 	}
-
-out_unlock:
-	write_unlock_bh(&ntbl->rwlock);
-
 }
 
 static int ipoib_neigh_hash_init(struct ipoib_dev_priv *priv)
···
 
 	clear_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags);
 	ntbl->htbl = NULL;
-	rwlock_init(&ntbl->rwlock);
 	htbl = kzalloc(sizeof(*htbl), GFP_KERNEL);
 	if (!htbl)
 		return -ENOMEM;
···
 	htbl->mask = (size - 1);
 	htbl->buckets = buckets;
 	ntbl->htbl = htbl;
+	htbl->ntbl = ntbl;
 	atomic_set(&ntbl->entries, 0);
 
 	/* start garbage collection */
···
 						    struct ipoib_neigh_hash,
 						    rcu);
 	struct ipoib_neigh __rcu **buckets = htbl->buckets;
+	struct ipoib_neigh_table *ntbl = htbl->ntbl;
 
 	kfree(buckets);
 	kfree(htbl);
+	complete(&ntbl->deleted);
 }
 
 void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid)
···
 	int i;
 
 	/* remove all neigh connected to a given path or mcast */
-	write_lock_bh(&ntbl->rwlock);
+	spin_lock_irqsave(&priv->lock, flags);
 
 	htbl = rcu_dereference_protected(ntbl->htbl,
-					 lockdep_is_held(&ntbl->rwlock));
+					 lockdep_is_held(&priv->lock));
 
 	if (!htbl)
 		goto out_unlock;
···
 		struct ipoib_neigh __rcu **np = &htbl->buckets[i];
 
 		while ((neigh = rcu_dereference_protected(*np,
-							  lockdep_is_held(&ntbl->rwlock))) != NULL) {
+							  lockdep_is_held(&priv->lock))) != NULL) {
 			/* delete neighs belong to this parent */
 			if (!memcmp(gid, neigh->daddr + 4, sizeof (union ib_gid))) {
 				rcu_assign_pointer(*np,
 						   rcu_dereference_protected(neigh->hnext,
-									     lockdep_is_held(&ntbl->rwlock)));
+									     lockdep_is_held(&priv->lock)));
 				/* remove from parent list */
-				spin_lock_irqsave(&priv->lock, flags);
 				list_del(&neigh->list);
-				spin_unlock_irqrestore(&priv->lock, flags);
 				call_rcu(&neigh->rcu, ipoib_neigh_reclaim);
 			} else {
 				np = &neigh->hnext;
···
 		}
 	}
 out_unlock:
-	write_unlock_bh(&ntbl->rwlock);
+	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
 static void ipoib_flush_neighs(struct ipoib_dev_priv *priv)
···
 	struct ipoib_neigh_table *ntbl = &priv->ntbl;
 	struct ipoib_neigh_hash *htbl;
 	unsigned long flags;
-	int i;
+	int i, wait_flushed = 0;
 
-	write_lock_bh(&ntbl->rwlock);
+	init_completion(&priv->ntbl.flushed);
+
+	spin_lock_irqsave(&priv->lock, flags);
 
 	htbl = rcu_dereference_protected(ntbl->htbl,
-					lockdep_is_held(&ntbl->rwlock));
+					lockdep_is_held(&priv->lock));
 	if (!htbl)
 		goto out_unlock;
+
+	wait_flushed = atomic_read(&priv->ntbl.entries);
+	if (!wait_flushed)
+		goto free_htbl;
 
 	for (i = 0; i < htbl->size; i++) {
 		struct ipoib_neigh *neigh;
 		struct ipoib_neigh __rcu **np = &htbl->buckets[i];
 
 		while ((neigh = rcu_dereference_protected(*np,
-							  lockdep_is_held(&ntbl->rwlock))) != NULL) {
+				       lockdep_is_held(&priv->lock))) != NULL) {
 			rcu_assign_pointer(*np,
 					   rcu_dereference_protected(neigh->hnext,
-								     lockdep_is_held(&ntbl->rwlock)));
+								     lockdep_is_held(&priv->lock)));
 			/* remove from path/mc list */
-			spin_lock_irqsave(&priv->lock, flags);
 			list_del(&neigh->list);
-			spin_unlock_irqrestore(&priv->lock, flags);
 			call_rcu(&neigh->rcu, ipoib_neigh_reclaim);
 		}
 	}
 
+free_htbl:
 	rcu_assign_pointer(ntbl->htbl, NULL);
 	call_rcu(&htbl->rcu, neigh_hash_free_rcu);
 
 out_unlock:
-	write_unlock_bh(&ntbl->rwlock);
+	spin_unlock_irqrestore(&priv->lock, flags);
+	if (wait_flushed)
+		wait_for_completion(&priv->ntbl.flushed);
 }
 
 static void ipoib_neigh_hash_uninit(struct net_device *dev)
···
 	int stopped;
 
 	ipoib_dbg(priv, "ipoib_neigh_hash_uninit\n");
-	init_completion(&priv->ntbl.flushed);
+	init_completion(&priv->ntbl.deleted);
 	set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags);
 
 	/* Stop GC if called at init fail need to cancel work */
···
 	if (!stopped)
 		cancel_delayed_work(&priv->neigh_reap_task);
 
-	if (atomic_read(&priv->ntbl.entries)) {
-		ipoib_flush_neighs(priv);
-		wait_for_completion(&priv->ntbl.flushed);
-	}
+	ipoib_flush_neighs(priv);
+
+	wait_for_completion(&priv->ntbl.deleted);
 }
 
 

drivers/infiniband/ulp/ipoib/ipoib_multicast.c

···
 		neigh = ipoib_neigh_get(dev, daddr);
 		spin_lock_irqsave(&priv->lock, flags);
 		if (!neigh) {
-			spin_unlock_irqrestore(&priv->lock, flags);
 			neigh = ipoib_neigh_alloc(daddr, dev);
-			spin_lock_irqsave(&priv->lock, flags);
 			if (neigh) {
 				kref_get(&mcast->ah->ref);
 				neigh->ah	= mcast->ah;

drivers/input/keyboard/imx_keypad.c

···
 	input_set_drvdata(input_dev, keypad);
 
 	/* Ensure that the keypad will stay dormant until opened */
-	clk_enable(keypad->clk);
+	clk_prepare_enable(keypad->clk);
 	imx_keypad_inhibit(keypad);
-	clk_disable(keypad->clk);
+	clk_disable_unprepare(keypad->clk);
 
 	error = request_irq(irq, imx_keypad_irq_handler, 0,
 			    pdev->name, keypad);

drivers/input/misc/ab8500-ponkey.c

···
 
 	ponkey->idev = input;
 	ponkey->ab8500 = ab8500;
-	ponkey->irq_dbf = ab8500_irq_get_virq(ab8500, irq_dbf);
-	ponkey->irq_dbr = ab8500_irq_get_virq(ab8500, irq_dbr);
+	ponkey->irq_dbf = irq_dbf;
+	ponkey->irq_dbr = irq_dbr;
 
 	input->name = "AB8500 POn(PowerOn) Key";
 	input->dev.parent = &pdev->dev;

drivers/input/mouse/sentelic.c

···
 
 	switch (psmouse->packet[0] >> FSP_PKT_TYPE_SHIFT) {
 	case FSP_PKT_TYPE_ABS:
+
+		if ((packet[0] == 0x48 || packet[0] == 0x49) &&
+		    packet[1] == 0 && packet[2] == 0) {
+			/*
+			 * Ignore coordinate noise when finger leaving the
+			 * surface, otherwise cursor may jump to upper-left
+			 * corner.
+			 */
+			packet[3] &= 0xf0;
+		}
+
 		abs_x = GET_ABS_X(packet);
 		abs_y = GET_ABS_Y(packet);
 

drivers/input/serio/ambakmi.c

···
 	unsigned int divisor;
 	int ret;
 
-	ret = clk_enable(kmi->clk);
+	ret = clk_prepare_enable(kmi->clk);
 	if (ret)
 		goto out;
 
···
 	return 0;
 
  clk_disable:
-	clk_disable(kmi->clk);
+	clk_disable_unprepare(kmi->clk);
  out:
 	return ret;
 }
···
 	writeb(0, KMICR);
 
 	free_irq(kmi->irq, kmi);
-	clk_disable(kmi->clk);
+	clk_disable_unprepare(kmi->clk);
 }
 
 static int __devinit amba_kmi_probe(struct amba_device *dev,

drivers/input/serio/i8042-x86ia64io.h

···
 	},
 	{
 		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
+		},
+	},
+	{
+		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 		},

drivers/input/touchscreen/edt-ft5x06.c

···
 	}
 
 	read = min_t(size_t, count, tsdata->raw_bufsize - *off);
-	error = copy_to_user(buf, tsdata->raw_buffer + *off, read);
-	if (!error)
-		*off += read;
+	if (copy_to_user(buf, tsdata->raw_buffer + *off, read)) {
+		error = -EFAULT;
+		goto out;
+	}
+
+	*off += read;
 out:
 	mutex_unlock(&tsdata->mutex);
 	return error ?: read;

drivers/input/touchscreen/usbtouchscreen.c

···
 #define EGALAX_PKT_TYPE_REPT		0x80
 #define EGALAX_PKT_TYPE_DIAG		0x0A
 
+static int egalax_init(struct usbtouch_usb *usbtouch)
+{
+	int ret, i;
+	unsigned char *buf;
+	struct usb_device *udev = interface_to_usbdev(usbtouch->interface);
+
+	/*
+	 * An eGalax diagnostic packet kicks the device into using the right
+	 * protocol.  We send a "check active" packet.  The response will be
+	 * read later and ignored.
+	 */
+
+	buf = kmalloc(3, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	buf[0] = EGALAX_PKT_TYPE_DIAG;
+	buf[1] = 1;	/* length */
+	buf[2] = 'A';	/* command - check active */
+
+	for (i = 0; i < 3; i++) {
+		ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+				      0,
+				      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+				      0, 0, buf, 3,
+				      USB_CTRL_SET_TIMEOUT);
+		if (ret >= 0) {
+			ret = 0;
+			break;
+		}
+		if (ret != -EPIPE)
+			break;
+	}
+
+	kfree(buf);
+
+	return ret;
+}
+
 static int egalax_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
 {
 	if ((pkt[0] & EGALAX_PKT_TYPE_MASK) != EGALAX_PKT_TYPE_REPT)
···
 		.process_pkt	= usbtouch_process_multi,
 		.get_pkt_len	= egalax_get_pkt_len,
 		.read_data	= egalax_read_data,
+		.init		= egalax_init,
 	},
 #endif
 

drivers/md/dm-mpath.c

···
 			   unsigned long arg)
 {
 	struct multipath *m = ti->private;
+	struct pgpath *pgpath;
 	struct block_device *bdev;
 	fmode_t mode;
 	unsigned long flags;
···
 	if (!m->current_pgpath)
 		__choose_pgpath(m, 0);
 
-	if (m->current_pgpath) {
-		bdev = m->current_pgpath->path.dev->bdev;
-		mode = m->current_pgpath->path.dev->mode;
+	pgpath = m->current_pgpath;
+
+	if (pgpath) {
+		bdev = pgpath->path.dev->bdev;
+		mode = pgpath->path.dev->mode;
 	}
 
-	if (m->queue_io)
+	if ((pgpath && m->queue_io) || (!pgpath && m->queue_if_no_path))
 		r = -EAGAIN;
 	else if (!bdev)
 		r = -EIO;

drivers/md/dm-table.c

···
 	return &t->targets[(KEYS_PER_NODE * n) + k];
 }
 
+static int count_device(struct dm_target *ti, struct dm_dev *dev,
+			sector_t start, sector_t len, void *data)
+{
+	unsigned *num_devices = data;
+
+	(*num_devices)++;
+
+	return 0;
+}
+
+/*
+ * Check whether a table has no data devices attached using each
+ * target's iterate_devices method.
+ * Returns false if the result is unknown because a target doesn't
+ * support iterate_devices.
+ */
+bool dm_table_has_no_data_devices(struct dm_table *table)
+{
+	struct dm_target *uninitialized_var(ti);
+	unsigned i = 0, num_devices = 0;
+
+	while (i < dm_table_get_num_targets(table)) {
+		ti = dm_table_get_target(table, i++);
+
+		if (!ti->type->iterate_devices)
+			return false;
+
+		ti->type->iterate_devices(ti, count_device, &num_devices);
+		if (num_devices)
+			return false;
+	}
+
+	return true;
+}
+
 /*
  * Establish the new table's queue_limits and validate them.
  */
···
 	return q && blk_queue_nonrot(q);
 }
 
-static bool dm_table_is_nonrot(struct dm_table *t)
+static int device_is_not_random(struct dm_target *ti, struct dm_dev *dev,
+			     sector_t start, sector_t len, void *data)
+{
+	struct request_queue *q = bdev_get_queue(dev->bdev);
+
+	return q && !blk_queue_add_random(q);
+}
+
+static bool dm_table_all_devices_attribute(struct dm_table *t,
+					   iterate_devices_callout_fn func)
 {
 	struct dm_target *ti;
 	unsigned i = 0;
 
-	/* Ensure that all underlying device are non-rotational. */
 	while (i < dm_table_get_num_targets(t)) {
 		ti = dm_table_get_target(t, i++);
 
 		if (!ti->type->iterate_devices ||
-		    !ti->type->iterate_devices(ti, device_is_nonrot, NULL))
+		    !ti->type->iterate_devices(ti, func, NULL))
 			return 0;
 	}
 
···
 	if (!dm_table_discard_zeroes_data(t))
 		q->limits.discard_zeroes_data = 0;
 
-	if (dm_table_is_nonrot(t))
+	/* Ensure that all underlying devices are non-rotational. */
+	if (dm_table_all_devices_attribute(t, device_is_nonrot))
 		queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q);
 	else
 		queue_flag_clear_unlocked(QUEUE_FLAG_NONROT, q);
 
 	dm_table_set_integrity(t);
+
+	/*
+	 * Determine whether or not this queue's I/O timings contribute
+	 * to the entropy pool, Only request-based targets use this.
+	 * Clear QUEUE_FLAG_ADD_RANDOM if any underlying device does not
+	 * have it set.
+	 */
+	if (blk_queue_add_random(q) && dm_table_all_devices_attribute(t, device_is_not_random))
+		queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, q);
 
 	/*
 	 * QUEUE_FLAG_STACKABLE must be set after all queue settings are

drivers/md/dm-thin.c

···
 struct pool_features {
 	enum pool_mode mode;
 
-	unsigned zero_new_blocks:1;
-	unsigned discard_enabled:1;
-	unsigned discard_passdown:1;
+	bool zero_new_blocks:1;
+	bool discard_enabled:1;
+	bool discard_passdown:1;
 };
 
 struct thin_c;
···
 	struct dm_target_callbacks callbacks;
 
 	dm_block_t low_water_blocks;
-	struct pool_features pf;
+	struct pool_features requested_pf; /* Features requested during table load */
+	struct pool_features adjusted_pf;  /* Features used after adjusting for constituent devices */
 };
 
 /*
···
 /*----------------------------------------------------------------
  * Binding of control targets to a pool object
  *--------------------------------------------------------------*/
+static bool data_dev_supports_discard(struct pool_c *pt)
+{
+	struct request_queue *q = bdev_get_queue(pt->data_dev->bdev);
+
+	return q && blk_queue_discard(q);
+}
+
+/*
+ * If discard_passdown was enabled verify that the data device
+ * supports discards.  Disable discard_passdown if not.
+ */
+static void disable_passdown_if_not_supported(struct pool_c *pt)
+{
+	struct pool *pool = pt->pool;
+	struct block_device *data_bdev = pt->data_dev->bdev;
+	struct queue_limits *data_limits = &bdev_get_queue(data_bdev)->limits;
+	sector_t block_size = pool->sectors_per_block << SECTOR_SHIFT;
+	const char *reason = NULL;
+	char buf[BDEVNAME_SIZE];
+
+	if (!pt->adjusted_pf.discard_passdown)
+		return;
+
+	if (!data_dev_supports_discard(pt))
+		reason = "discard unsupported";
+
+	else if (data_limits->max_discard_sectors < pool->sectors_per_block)
+		reason = "max discard sectors smaller than a block";
+
+	else if (data_limits->discard_granularity > block_size)
+		reason = "discard granularity larger than a block";
+
+	else if (block_size & (data_limits->discard_granularity - 1))
+		reason = "discard granularity not a factor of block size";
+
+	if (reason) {
+		DMWARN("Data device (%s) %s: Disabling discard passdown.", bdevname(data_bdev, buf), reason);
+		pt->adjusted_pf.discard_passdown = false;
+	}
+}
+
 static int bind_control_target(struct pool *pool, struct dm_target *ti)
 {
 	struct pool_c *pt = ti->private;
···
 	 * We want to make sure that degraded pools are never upgraded.
 	 */
 	enum pool_mode old_mode = pool->pf.mode;
-	enum pool_mode new_mode = pt->pf.mode;
+	enum pool_mode new_mode = pt->adjusted_pf.mode;
 
 	if (old_mode > new_mode)
 		new_mode = old_mode;
 
 	pool->ti = ti;
 	pool->low_water_blocks = pt->low_water_blocks;
-	pool->pf = pt->pf;
-	set_pool_mode(pool, new_mode);
+	pool->pf = pt->adjusted_pf;
 
-	/*
-	 * If discard_passdown was enabled verify that the data device
-	 * supports discards.  Disable discard_passdown if not; otherwise
-	 * -EOPNOTSUPP will be returned.
-	 */
-	/* FIXME: pull this out into a sep fn. */
-	if (pt->pf.discard_passdown) {
-		struct request_queue *q = bdev_get_queue(pt->data_dev->bdev);
-		if (!q || !blk_queue_discard(q)) {
-			char buf[BDEVNAME_SIZE];
-			DMWARN("Discard unsupported by data device (%s): Disabling discard passdown.",
-			       bdevname(pt->data_dev->bdev, buf));
-			pool->pf.discard_passdown = 0;
-		}
-	}
+	set_pool_mode(pool, new_mode);
 
 	return 0;
 }
···
 static void pool_features_init(struct pool_features *pf)
 {
 	pf->mode = PM_WRITE;
-	pf->zero_new_blocks = 1;
-	pf->discard_enabled = 1;
-	pf->discard_passdown = 1;
+	pf->zero_new_blocks = true;
+	pf->discard_enabled = true;
+	pf->discard_passdown = true;
 }
 
 static void __pool_destroy(struct pool *pool)
···
 		argc--;
 
 		if (!strcasecmp(arg_name, "skip_block_zeroing"))
-			pf->zero_new_blocks = 0;
+			pf->zero_new_blocks = false;
 
 		else if (!strcasecmp(arg_name, "ignore_discard"))
-			pf->discard_enabled = 0;
+			pf->discard_enabled = false;
 
 		else if (!strcasecmp(arg_name, "no_discard_passdown"))
-			pf->discard_passdown = 0;
+			pf->discard_passdown = false;
 
 		else if (!strcasecmp(arg_name, "read_only"))
 			pf->mode = PM_READ_ONLY;
···
 	pt->metadata_dev = metadata_dev;
 	pt->data_dev = data_dev;
 	pt->low_water_blocks = low_water_blocks;
-	pt->pf = pf;
+	pt->adjusted_pf = pt->requested_pf = pf;
 	ti->num_flush_requests = 1;
+
 	/*
 	 * Only need to enable discards if the pool should pass
 	 * them down to the data device.  The thin device's discard
···
 	 */
 	if (pf.discard_enabled && pf.discard_passdown) {
 		ti->num_discard_requests = 1;
+
 		/*
 		 * Setting 'discards_supported' circumvents the normal
 		 * stacking of discard limits (this keeps the pool and
 		 * thin devices' discard limits consistent).
 		 */
 		ti->discards_supported = true;
+		ti->discard_zeroes_data_unsupported = true;
 	}
 	ti->private = pt;
 
···
 		       format_dev_t(buf2, pt->data_dev->bdev->bd_dev),
 		       (unsigned long)pool->sectors_per_block,
 		       (unsigned long long)pt->low_water_blocks);
-		emit_flags(&pt->pf, result, sz, maxlen);
+		emit_flags(&pt->requested_pf, result, sz, maxlen);
 		break;
 	}
 
···
 	return min(max_size, q->merge_bvec_fn(q, bvm, biovec));
 }
 
-static void set_discard_limits(struct pool *pool, struct queue_limits *limits)
+static void set_discard_limits(struct pool_c *pt, struct queue_limits *limits)
 {
-	/*
-	 * FIXME: these limits may be incompatible with the pool's data device
-	 */
+	struct pool *pool = pt->pool;
+	struct queue_limits *data_limits;
+
 	limits->max_discard_sectors = pool->sectors_per_block;
 
 	/*
-	 * This is just a hint, and not enforced.  We have to cope with
-	 * bios that cover a block partially.  A discard that spans a block
-	 * boundary is not sent to this target.
+	 * discard_granularity is just a hint, and not enforced.
 	 */
-	limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
-	limits->discard_zeroes_data = pool->pf.zero_new_blocks;
+	if (pt->adjusted_pf.discard_passdown) {
+		data_limits = &bdev_get_queue(pt->data_dev->bdev)->limits;
+		limits->discard_granularity = data_limits->discard_granularity;
+	} else
+		limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
 }
 
 static void pool_io_hints(struct dm_target *ti, struct queue_limits *limits)
···
 
 	blk_limits_io_min(limits, 0);
 	blk_limits_io_opt(limits, pool->sectors_per_block << SECTOR_SHIFT);
-	if (pool->pf.discard_enabled)
-		set_discard_limits(pool, limits);
+
+	/*
+	 * pt->adjusted_pf is a staging area for the actual features to use.
+	 * They get transferred to the live pool in bind_control_target()
+	 * called from pool_preresume().
+	 */
+	if (!pt->adjusted_pf.discard_enabled)
+		return;
+
+	disable_passdown_if_not_supported(pt);
+
+	set_discard_limits(pt, limits);
 }
 
 static struct target_type pool_target = {
 	.name = "thin-pool",
 	.features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE |
 		    DM_TARGET_IMMUTABLE,
-	.version = {1, 3, 0},
+	.version = {1, 4, 0},
 	.module = THIS_MODULE,
 	.ctr = pool_ctr,
 	.dtr = pool_dtr,
···
 	return 0;
 }
 
+/*
+ * A thin device always inherits its queue limits from its pool.
+ */
 static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits)
 {
 	struct thin_c *tc = ti->private;
-	struct pool *pool = tc->pool;
 
-	blk_limits_io_min(limits, 0);
-	blk_limits_io_opt(limits, pool->sectors_per_block << SECTOR_SHIFT);
-	set_discard_limits(pool, limits);
+	*limits = bdev_get_queue(tc->pool_dev->bdev)->limits;
 }
 
 static struct target_type thin_target = {
 	.name = "thin",
-	.version = {1, 3, 0},
+	.version = {1, 4, 0},
 	.module	= THIS_MODULE,
 	.ctr = thin_ctr,
 	.dtr = thin_dtr,

drivers/md/dm-verity.c

···
 	v->hash_dev_block_bits = ffs(num) - 1;
 
 	if (sscanf(argv[5], "%llu%c", &num_ll, &dummy) != 1 ||
-	    num_ll << (v->data_dev_block_bits - SECTOR_SHIFT) !=
-	    (sector_t)num_ll << (v->data_dev_block_bits - SECTOR_SHIFT)) {
+	    (sector_t)(num_ll << (v->data_dev_block_bits - SECTOR_SHIFT))
+	    >> (v->data_dev_block_bits - SECTOR_SHIFT) != num_ll) {
 		ti->error = "Invalid data blocks";
 		r = -EINVAL;
 		goto bad;
···
 	}
 
 	if (sscanf(argv[6], "%llu%c", &num_ll, &dummy) != 1 ||
-	    num_ll << (v->hash_dev_block_bits - SECTOR_SHIFT) !=
-	    (sector_t)num_ll << (v->hash_dev_block_bits - SECTOR_SHIFT)) {
+	    (sector_t)(num_ll << (v->hash_dev_block_bits - SECTOR_SHIFT))
+	    >> (v->hash_dev_block_bits - SECTOR_SHIFT) != num_ll) {
 		ti->error = "Invalid hash start";
 		r = -EINVAL;
 		goto bad;

drivers/md/dm.c

···
 {
 	int r = error;
 	struct dm_rq_target_io *tio = clone->end_io_data;
-	dm_request_endio_fn rq_end_io = tio->ti->type->rq_end_io;
+	dm_request_endio_fn rq_end_io = NULL;
 
-	if (mapped && rq_end_io)
-		r = rq_end_io(tio->ti, clone, error, &tio->info);
+	if (tio->ti) {
+		rq_end_io = tio->ti->type->rq_end_io;
+
+		if (mapped && rq_end_io)
+			r = rq_end_io(tio->ti, clone, error, &tio->info);
+	}
 
 	if (r <= 0)
 		/* The target wants to complete the I/O */
···
 	int r, requeued = 0;
 	struct dm_rq_target_io *tio = clone->end_io_data;
 
-	/*
-	 * Hold the md reference here for the in-flight I/O.
-	 * We can't rely on the reference count by device opener,
-	 * because the device may be closed during the request completion
-	 * when all bios are completed.
-	 * See the comment in rq_completed() too.
-	 */
-	dm_get(md);
-
 	tio->ti = ti;
 	r = ti->type->map_rq(ti, clone, &tio->info);
 	switch (r) {
···
 	return requeued;
 }
 
+static struct request *dm_start_request(struct mapped_device *md, struct request *orig)
+{
+	struct request *clone;
+
+	blk_start_request(orig);
+	clone = orig->special;
+	atomic_inc(&md->pending[rq_data_dir(clone)]);
+
+	/*
+	 * Hold the md reference here for the in-flight I/O.
+	 * We can't rely on the reference count by device opener,
+	 * because the device may be closed during the request completion
+	 * when all bios are completed.
+	 * See the comment in rq_completed() too.
+	 */
+	dm_get(md);
+
+	return clone;
+}
+
 /*
  * q->request_fn for request-based dm.
  * Called with the queue lock held.
···
 			pos = blk_rq_pos(rq);
 
 		ti = dm_table_find_target(map, pos);
-		BUG_ON(!dm_target_is_valid(ti));
+		if (!dm_target_is_valid(ti)) {
+			/*
+			 * Must perform setup, that dm_done() requires,
+			 * before calling dm_kill_unmapped_request
+			 */
+			DMERR_LIMIT("request attempted access beyond the end of device");
+			clone = dm_start_request(md, rq);
+			dm_kill_unmapped_request(clone, -EIO);
+			continue;
+		}
 
 		if (ti->type->busy && ti->type->busy(ti))
 			goto delay_and_out;
 
-		blk_start_request(rq);
-		clone = rq->special;
-		atomic_inc(&md->pending[rq_data_dir(clone)]);
+		clone = dm_start_request(md, rq);
 
 		spin_unlock(q->queue_lock);
 		if (map_request(ti, clone, md))
···
 	blk_delay_queue(q, HZ / 10);
 out:
 	dm_table_put(map);
-
-	return;
 }
 
 int dm_underlying_device_busy(struct request_queue *q)
···
  */
 struct dm_table *dm_swap_table(struct mapped_device *md, struct dm_table *table)
 {
-	struct dm_table *map = ERR_PTR(-EINVAL);
+	struct dm_table *live_map, *map = ERR_PTR(-EINVAL);
 	struct queue_limits limits;
 	int r;
 
···
 	/* device must be suspended */
 	if (!dm_suspended_md(md))
 		goto out;
+
+	/*
+	 * If the new table has no data devices, retain the existing limits.
+	 * This helps multipath with queue_if_no_path if all paths disappear,
+	 * then new I/O is queued based on these limits, and then some paths
+	 * reappear.
+	 */
+	if (dm_table_has_no_data_devices(table)) {
+		live_map = dm_get_live_table(md);
+		if (live_map)
+			limits = md->queue->limits;
+		dm_table_put(live_map);
+	}
 
 	r = dm_calculate_queue_limits(table, &limits);
 	if (r) {

drivers/md/dm.h

···
 			     void (*fn)(void *), void *context);
 struct dm_target *dm_table_get_target(struct dm_table *t, unsigned int index);
 struct dm_target *dm_table_find_target(struct dm_table *t, sector_t sector);
+bool dm_table_has_no_data_devices(struct dm_table *table);
 int dm_calculate_queue_limits(struct dm_table *table,
 			      struct queue_limits *limits);
 void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,

drivers/md/md.c

···
 			}
 		}
 	}
+	if (removed)
+		set_bit(MD_CHANGE_DEVS, &mddev->flags);
 	return spares;
 }
 
···
 	    !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) {
 		/* success...*/
 		/* activate any spares */
-		if (mddev->pers->spare_active(mddev))
+		if (mddev->pers->spare_active(mddev)) {
 			sysfs_notify(&mddev->kobj, NULL,
 				     "degraded");
+			set_bit(MD_CHANGE_DEVS, &mddev->flags);
+		}
 	}
 	if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
 	    mddev->pers->finish_reshape)

drivers/md/raid10.c

···
 	do {
 		int n = conf->copies;
 		int cnt = 0;
+		int this = first;
 		while (n--) {
-			if (conf->mirrors[first].rdev &&
-			    first != ignore)
+			if (conf->mirrors[this].rdev &&
+			    this != ignore)
 				cnt++;
-			first = (first+1) % geo->raid_disks;
+			this = (this+1) % geo->raid_disks;
 		}
 		if (cnt == 0)
 			return 0;
+		first = (first + geo->near_copies) % geo->raid_disks;
 	} while (first != 0);
 	return 1;
 }

drivers/md/raid5.c

···
 	degraded = 0;
 	for (i = 0; i < conf->previous_raid_disks; i++) {
 		struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev);
+		if (rdev && test_bit(Faulty, &rdev->flags))
+			rdev = rcu_dereference(conf->disks[i].replacement);
 		if (!rdev || test_bit(Faulty, &rdev->flags))
 			degraded++;
 		else if (test_bit(In_sync, &rdev->flags))
···
 	degraded2 = 0;
 	for (i = 0; i < conf->raid_disks; i++) {
 		struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev);
+		if (rdev && test_bit(Faulty, &rdev->flags))
+			rdev = rcu_dereference(conf->disks[i].replacement);
 		if (!rdev || test_bit(Faulty, &rdev->flags))
 			degraded2++;
 		else if (test_bit(In_sync, &rdev->flags))
···
 		#ifdef CONFIG_MULTICORE_RAID456
 		init_waitqueue_head(&nsh->ops.wait_for_ops);
 		#endif
+		spin_lock_init(&nsh->stripe_lock);
 
 		list_add(&nsh->lru, &newstripes);
 	}
···
 			finish_wait(&conf->wait_for_overlap, &w);
 			set_bit(STRIPE_HANDLE, &sh->state);
 			clear_bit(STRIPE_DELAYED, &sh->state);
-			if ((bi->bi_rw & REQ_NOIDLE) &&
+			if ((bi->bi_rw & REQ_SYNC) &&
 			    !test_and_set_bit(STRIPE_PREREAD_ACTIVE, &sh->state))
 				atomic_inc(&conf->preread_active_stripes);
 			release_stripe_plug(mddev, sh);

drivers/mfd/88pm800.c

···
 
 	ret =
 	    mfd_add_devices(chip->dev, 0, &onkey_devs[0],
-			    ARRAY_SIZE(onkey_devs), &onkey_resources[0], 0);
+			    ARRAY_SIZE(onkey_devs), &onkey_resources[0], 0,
+			    NULL);
 	if (ret < 0) {
 		dev_err(chip->dev, "Failed to add onkey subdev\n");
 		goto out_dev;
···
 		rtc_devs[0].platform_data = pdata->rtc;
 		rtc_devs[0].pdata_size = sizeof(struct pm80x_rtc_pdata);
 		ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0],
-				      ARRAY_SIZE(rtc_devs), NULL, 0);
+				      ARRAY_SIZE(rtc_devs), NULL, 0, NULL);
 		if (ret < 0) {
 			dev_err(chip->dev, "Failed to add rtc subdev\n");
 			goto out_dev;

drivers/mfd/88pm805.c

···
 	}
 
 	ret = mfd_add_devices(chip->dev, 0, &codec_devs[0],
-			      ARRAY_SIZE(codec_devs), &codec_resources[0], 0);
+			      ARRAY_SIZE(codec_devs), &codec_resources[0], 0,
+			      NULL);
 	if (ret < 0) {
 		dev_err(chip->dev, "Failed to add codec subdev\n");
 		goto out_codec;

drivers/mfd/88pm860x-core.c

···
 			bk_devs[i].resources = &bk_resources[j];
 			ret = mfd_add_devices(chip->dev, 0,
 					      &bk_devs[i], 1,
-					      &bk_resources[j], 0);
+					      &bk_resources[j], 0, NULL);
 			if (ret < 0) {
 				dev_err(chip->dev, "Failed to add "
 					"backlight subdev\n");
···
 			led_devs[i].resources = &led_resources[j],
 			ret = mfd_add_devices(chip->dev, 0,
 					      &led_devs[i], 1,
-					      &led_resources[j], 0);
+					      &led_resources[j], 0, NULL);
 			if (ret < 0) {
 				dev_err(chip->dev, "Failed to add "
 					"led subdev\n");
···
 		regulator_devs[i].resources = &regulator_resources[seq];
 
 		ret = mfd_add_devices(chip->dev, 0, &regulator_devs[i], 1,
-				      &regulator_resources[seq], 0);
+				      &regulator_resources[seq], 0, NULL);
 		if (ret < 0) {
 			dev_err(chip->dev, "Failed to add regulator subdev\n");
 			goto out;
···
 	rtc_devs[0].resources = &rtc_resources[0];
 	ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0],
 			      ARRAY_SIZE(rtc_devs), &rtc_resources[0],
-			      chip->irq_base);
+			      chip->irq_base, NULL);
 	if (ret < 0)
 		dev_err(chip->dev, "Failed to add rtc subdev\n");
 }
···
 	touch_devs[0].resources = &touch_resources[0];
 	ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
 			      ARRAY_SIZE(touch_devs), &touch_resources[0],
-			      chip->irq_base);
+			      chip->irq_base, NULL);
 	if (ret < 0)
 		dev_err(chip->dev, "Failed to add touch subdev\n");
 }
···
 	power_devs[0].num_resources = ARRAY_SIZE(battery_resources);
 	power_devs[0].resources = &battery_resources[0],
 	ret = mfd_add_devices(chip->dev, 0, &power_devs[0], 1,
-			      &battery_resources[0], chip->irq_base);
+			      &battery_resources[0], chip->irq_base, NULL);
 	if (ret < 0)
 		dev_err(chip->dev, "Failed to add battery subdev\n");
 
···
 	power_devs[1].num_resources = ARRAY_SIZE(charger_resources);
 	power_devs[1].resources = &charger_resources[0],
 	ret = mfd_add_devices(chip->dev, 0, &power_devs[1], 1,
-			      &charger_resources[0], chip->irq_base);
+			      &charger_resources[0], chip->irq_base, NULL);
 	if (ret < 0)
 		dev_err(chip->dev, "Failed to add charger subdev\n");
 
···
 	power_devs[2].num_resources = ARRAY_SIZE(preg_resources);
 	power_devs[2].resources = &preg_resources[0],
 	ret = mfd_add_devices(chip->dev, 0, &power_devs[2], 1,
-			      &preg_resources[0], chip->irq_base);
+			      &preg_resources[0], chip->irq_base, NULL);
 	if (ret < 0)
 		dev_err(chip->dev, "Failed to add preg subdev\n");
 }
···
 	onkey_devs[0].resources = &onkey_resources[0],
 	ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0],
 			      ARRAY_SIZE(onkey_devs), &onkey_resources[0],
-			      chip->irq_base);
+			      chip->irq_base, NULL);
 	if (ret < 0)
 		dev_err(chip->dev, "Failed to add onkey subdev\n");
 }
···
 	codec_devs[0].num_resources = ARRAY_SIZE(codec_resources);
 	codec_devs[0].resources = &codec_resources[0],
 	ret = mfd_add_devices(chip->dev, 0, &codec_devs[0],
-			      ARRAY_SIZE(codec_devs), &codec_resources[0], 0);
+			      ARRAY_SIZE(codec_devs), &codec_resources[0], 0,
+			      NULL);
 	if (ret < 0)
 		dev_err(chip->dev, "Failed to add codec subdev\n");
 }

drivers/mfd/aat2870-core.c

···
 	}
 
 	ret = mfd_add_devices(aat2870->dev, 0, aat2870_devs,
-			      ARRAY_SIZE(aat2870_devs), NULL, 0);
+			      ARRAY_SIZE(aat2870_devs), NULL, 0, NULL);
 	if (ret != 0) {
 		dev_err(aat2870->dev, "Failed to add subdev: %d\n", ret);
 		goto out_disable;

drivers/mfd/ab3100-core.c

···
 	}
 
 	err = mfd_add_devices(&client->dev, 0, ab3100_devs,
-		ARRAY_SIZE(ab3100_devs), NULL, 0);
+			      ARRAY_SIZE(ab3100_devs), NULL, 0, NULL);
 
 	ab3100_setup_debugfs(ab3100);
 

drivers/mfd/ab8500-core.c

···
 
 	ret = mfd_add_devices(ab8500->dev, 0, abx500_common_devs,
 			ARRAY_SIZE(abx500_common_devs), NULL,
-			ab8500->irq_base);
+			ab8500->irq_base, ab8500->domain);
 	if (ret)
 		goto out_freeirq;
 
 	if (is_ab9540(ab8500))
 		ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs,
 				ARRAY_SIZE(ab9540_devs), NULL,
-				ab8500->irq_base);
+				ab8500->irq_base, ab8500->domain);
 	else
 		ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
 				ARRAY_SIZE(ab8500_devs), NULL,
-				ab8500->irq_base);
+				ab8500->irq_base, ab8500->domain);
 	if (ret)
 		goto out_freeirq;
 
 	if (is_ab9540(ab8500) || is_ab8505(ab8500))
 		ret = mfd_add_devices(ab8500->dev, 0, ab9540_ab8505_devs,
 				ARRAY_SIZE(ab9540_ab8505_devs), NULL,
-				ab8500->irq_base);
+				ab8500->irq_base, ab8500->domain);
 	if (ret)
 		goto out_freeirq;
 
···
 		/* Add battery management devices */
 		ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
 				      ARRAY_SIZE(ab8500_bm_devs), NULL,
-				      ab8500->irq_base);
+				      ab8500->irq_base, ab8500->domain);
 		if (ret)
 			dev_err(ab8500->dev, "error adding bm devices\n");
 	}

drivers/mfd/arizona-core.c

···
 	}
 
 	ret = mfd_add_devices(arizona->dev, -1, early_devs,
-			      ARRAY_SIZE(early_devs), NULL, 0);
+			      ARRAY_SIZE(early_devs), NULL, 0, NULL);
 	if (ret != 0) {
 		dev_err(dev, "Failed to add early children: %d\n", ret);
 		return ret;
···
 	switch (arizona->type) {
 	case WM5102:
 		ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
-				      ARRAY_SIZE(wm5102_devs), NULL, 0);
+				      ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
 		break;
 	case WM5110:
 		ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
-				      ARRAY_SIZE(wm5102_devs), NULL, 0);
+				      ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
 		break;
 	}
 

drivers/mfd/asic3.c

···
 	if (pdata->clock_rate) {
 		ds1wm_pdata.clock_rate = pdata->clock_rate;
 		ret = mfd_add_devices(&pdev->dev, pdev->id,
-			&asic3_cell_ds1wm, 1, mem, asic->irq_base);
+			&asic3_cell_ds1wm, 1, mem, asic->irq_base, NULL);
 		if (ret < 0)
 			goto out;
 	}
 
 	if (mem_sdio && (irq >= 0)) {
 		ret = mfd_add_devices(&pdev->dev, pdev->id,
-			&asic3_cell_mmc, 1, mem_sdio, irq);
+			&asic3_cell_mmc, 1, mem_sdio, irq, NULL);
 		if (ret < 0)
 			goto out;
 	}
···
 			asic3_cell_leds[i].pdata_size = sizeof(pdata->leds[i]);
 		}
 		ret = mfd_add_devices(&pdev->dev, 0,
-			asic3_cell_leds, ASIC3_NUM_LEDS, NULL, 0);
+			asic3_cell_leds, ASIC3_NUM_LEDS, NULL, 0, NULL);
 	}
 
  out:

drivers/mfd/cs5535-mfd.c

···
 	}
 
 	err = mfd_add_devices(&pdev->dev, -1, cs5535_mfd_cells,
-			ARRAY_SIZE(cs5535_mfd_cells), NULL, 0);
+			      ARRAY_SIZE(cs5535_mfd_cells), NULL, 0, NULL);
 	if (err) {
 		dev_err(&pdev->dev, "MFD add devices failed: %d\n", err);
 		goto err_disable;

drivers/mfd/da9052-core.c

···
 		dev_err(da9052->dev, "DA9052 ADC IRQ failed ret=%d\n", ret);
 
 	ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info,
-			      ARRAY_SIZE(da9052_subdev_info), NULL, 0);
+			      ARRAY_SIZE(da9052_subdev_info), NULL, 0, NULL);
 	if (ret)
 		goto err;
 

drivers/mfd/davinci_voicecodec.c

···
 	cell->pdata_size = sizeof(*davinci_vc);
 
 	ret = mfd_add_devices(&pdev->dev, pdev->id, davinci_vc->cells,
-			      DAVINCI_VC_CELLS, NULL, 0);
+			      DAVINCI_VC_CELLS, NULL, 0, NULL);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "fail to register client devices\n");
 		goto fail4;

drivers/mfd/db8500-prcmu.c

···
 		prcmu_config_esram0_deep_sleep(ESRAM0_DEEP_SLEEP_STATE_RET);
 
 	err = mfd_add_devices(&pdev->dev, 0, db8500_prcmu_devs,
-			ARRAY_SIZE(db8500_prcmu_devs), NULL, 0);
+			      ARRAY_SIZE(db8500_prcmu_devs), NULL, 0, NULL);
 	if (err) {
 		pr_err("prcmu: Failed to add subdevices\n");
 		return err;

drivers/mfd/htc-pasic3.c

···
 		/* the first 5 PASIC3 registers control the DS1WM */
 		ds1wm_resources[0].end = (5 << asic->bus_shift) - 1;
 		ret = mfd_add_devices(&pdev->dev, pdev->id,
-				&ds1wm_cell, 1, r, irq);
+				      &ds1wm_cell, 1, r, irq, NULL);
 		if (ret < 0)
 			dev_warn(dev, "failed to register DS1WM\n");
 	}
···
 	if (pdata && pdata->led_pdata) {
 		led_cell.platform_data = pdata->led_pdata;
 		led_cell.pdata_size = sizeof(struct pasic3_leds_machinfo);
-		ret = mfd_add_devices(&pdev->dev, pdev->id, &led_cell, 1, r, 0);
+		ret = mfd_add_devices(&pdev->dev, pdev->id, &led_cell, 1, r,
+				      0, NULL);
 		if (ret < 0)
 			dev_warn(dev, "failed to register LED device\n");
 	}

drivers/mfd/intel_msic.c

···
 			continue;
 
 		ret = mfd_add_devices(&pdev->dev, -1, &msic_devs[i], 1, NULL,
-				      pdata->irq[i]);
+				      pdata->irq[i], NULL);
 		if (ret)
 			goto fail;
 	}
 
 	ret = mfd_add_devices(&pdev->dev, 0, msic_other_devs,
-			      ARRAY_SIZE(msic_other_devs), NULL, 0);
+			      ARRAY_SIZE(msic_other_devs), NULL, 0, NULL);
 	if (ret)
 		goto fail;
 

drivers/mfd/janz-cmodio.c

···
 	}
 
 	return mfd_add_devices(&pdev->dev, 0, priv->cells,
-			       num_probed, NULL, pdev->irq);
+			       num_probed, NULL, pdev->irq, NULL);
 }
 
 /*

drivers/mfd/jz4740-adc.c

···
 	writeb(0xff, adc->base + JZ_REG_ADC_CTRL);
 
 	ret = mfd_add_devices(&pdev->dev, 0, jz4740_adc_cells,
-		ARRAY_SIZE(jz4740_adc_cells), mem_base, irq_base);
+			      ARRAY_SIZE(jz4740_adc_cells), mem_base,
+			      irq_base, NULL);
 	if (ret < 0)
 		goto err_clk_put;
 

drivers/mfd/lm3533-core.c

···
 	lm3533_als_devs[0].platform_data = pdata->als;
 	lm3533_als_devs[0].pdata_size = sizeof(*pdata->als);
 
-	ret = mfd_add_devices(lm3533->dev, 0, lm3533_als_devs, 1, NULL, 0);
+	ret = mfd_add_devices(lm3533->dev, 0, lm3533_als_devs, 1, NULL,
+			      0, NULL);
 	if (ret) {
 		dev_err(lm3533->dev, "failed to add ALS device\n");
 		return ret;
···
 	}
 
 	ret = mfd_add_devices(lm3533->dev, 0, lm3533_bl_devs,
-					pdata->num_backlights, NULL, 0);
+			      pdata->num_backlights, NULL, 0, NULL);
 	if (ret) {
 		dev_err(lm3533->dev, "failed to add backlight devices\n");
 		return ret;
···
 	}
 
 	ret = mfd_add_devices(lm3533->dev, 0, lm3533_led_devs,
-						pdata->num_leds, NULL, 0);
+			      pdata->num_leds, NULL, 0, NULL);
 	if (ret) {
 		dev_err(lm3533->dev, "failed to add LED devices\n");
 		return ret;

drivers/mfd/lpc_ich.c

···
 
 	lpc_ich_finalize_cell(&lpc_ich_cells[LPC_GPIO], id);
 	ret = mfd_add_devices(&dev->dev, -1, &lpc_ich_cells[LPC_GPIO],
-				1, NULL, 0);
+			      1, NULL, 0, NULL);
 
 gpio_done:
 	if (acpi_conflict)
···
 	u32 base_addr_cfg;
 	u32 base_addr;
 	int ret;
-	bool acpi_conflict = false;
 	struct resource *res;
 
 	/* Setup power management base register */
···
 	res = wdt_io_res(ICH_RES_IO_TCO);
 	res->start = base_addr + ACPIBASE_TCO_OFF;
 	res->end = base_addr + ACPIBASE_TCO_END;
-	ret = acpi_check_resource_conflict(res);
-	if (ret) {
-		acpi_conflict = true;
-		goto wdt_done;
-	}
 
 	res = wdt_io_res(ICH_RES_IO_SMI);
 	res->start = base_addr + ACPIBASE_SMI_OFF;
 	res->end = base_addr + ACPIBASE_SMI_END;
-	ret = acpi_check_resource_conflict(res);
-	if (ret) {
-		acpi_conflict = true;
-		goto wdt_done;
-	}
+
 	lpc_ich_enable_acpi_space(dev);
 
 	/*
···
 		res = wdt_mem_res(ICH_RES_MEM_GCS);
 		res->start = base_addr + ACPIBASE_GCS_OFF;
 		res->end = base_addr + ACPIBASE_GCS_END;
-		ret = acpi_check_resource_conflict(res);
-		if (ret) {
-			acpi_conflict = true;
-			goto wdt_done;
-		}
 	}
 
 	lpc_ich_finalize_cell(&lpc_ich_cells[LPC_WDT], id);
 	ret = mfd_add_devices(&dev->dev, -1, &lpc_ich_cells[LPC_WDT],
-				1, NULL, 0);
+			      1, NULL, 0, NULL);
 
 wdt_done:
-	if (acpi_conflict)
-		pr_warn("Resource conflict(s) found affecting %s\n",
-				lpc_ich_cells[LPC_WDT].name);
 	return ret;
 }
 

drivers/mfd/lpc_sch.c

···
 		lpc_sch_cells[i].id = id->device;
 
 	ret = mfd_add_devices(&dev->dev, 0,
-			lpc_sch_cells, ARRAY_SIZE(lpc_sch_cells), NULL, 0);
+			      lpc_sch_cells, ARRAY_SIZE(lpc_sch_cells), NULL,
+			      0, NULL);
 	if (ret)
 		goto out_dev;
 
···
 			tunnelcreek_cells[i].id = id->device;
 
 		ret = mfd_add_devices(&dev->dev, 0, tunnelcreek_cells,
-			ARRAY_SIZE(tunnelcreek_cells), NULL, 0);
+				      ARRAY_SIZE(tunnelcreek_cells), NULL,
+				      0, NULL);
 	}
 
 	return ret;

drivers/mfd/max77686.c

···
 	max77686_irq_init(max77686);
 
 	ret = mfd_add_devices(max77686->dev, -1, max77686_devs,
-			      ARRAY_SIZE(max77686_devs), NULL, 0);
+			      ARRAY_SIZE(max77686_devs), NULL, 0, NULL);
 
 	if (ret < 0)
 		goto err_mfd;

drivers/mfd/max77693-irq.c

···
 	const struct max77693_irq_data *irq_data =
 				irq_to_max77693_irq(max77693, data->irq);
 
+	if (irq_data->group >= MAX77693_IRQ_GROUP_NR)
+		return;
+
 	if (irq_data->group >= MUIC_INT1 && irq_data->group <= MUIC_INT3)
 		max77693->irq_masks_cur[irq_data->group] &= ~irq_data->mask;
 	else
···
 	struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
 	const struct max77693_irq_data *irq_data =
 	    irq_to_max77693_irq(max77693, data->irq);
+
+	if (irq_data->group >= MAX77693_IRQ_GROUP_NR)
+		return;
 
 	if (irq_data->group >= MUIC_INT1 && irq_data->group <= MUIC_INT3)
 		max77693->irq_masks_cur[irq_data->group] |= irq_data->mask;
···
 
 	if (irq_src & MAX77693_IRQSRC_MUIC)
 		/* MUIC INT1 ~ INT3 */
-		max77693_bulk_read(max77693->regmap, MAX77693_MUIC_REG_INT1,
+		max77693_bulk_read(max77693->regmap_muic, MAX77693_MUIC_REG_INT1,
 			MAX77693_NUM_IRQ_MUIC_REGS, &irq_reg[MUIC_INT1]);
 
 	/* Apply masking */
···
 {
 	struct irq_domain *domain;
 	int i;
-	int ret;
+	int ret = 0;
+	u8 intsrc_mask;
 
 	mutex_init(&max77693->irqlock);
 
···
 					&max77693_irq_domain_ops, max77693);
 	if (!domain) {
 		dev_err(max77693->dev, "could not create irq domain\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto err_irq;
 	}
 	max77693->irq_domain = domain;
+
+	/* Unmask max77693 interrupt */
+	ret = max77693_read_reg(max77693->regmap,
+			MAX77693_PMIC_REG_INTSRC_MASK, &intsrc_mask);
+	if (ret < 0) {
+		dev_err(max77693->dev, "fail to read PMIC register\n");
+		goto err_irq;
+	}
+
+	intsrc_mask &= ~(MAX77693_IRQSRC_CHG);
+	intsrc_mask &= ~(MAX77693_IRQSRC_FLASH);
+	intsrc_mask &= ~(MAX77693_IRQSRC_MUIC);
+	ret = max77693_write_reg(max77693->regmap,
+			MAX77693_PMIC_REG_INTSRC_MASK, intsrc_mask);
+	if (ret < 0) {
+		dev_err(max77693->dev, "fail to write PMIC register\n");
+		goto err_irq;
+	}
 
 	ret = request_threaded_irq(max77693->irq, NULL, max77693_irq_thread,
 				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
 				   "max77693-irq", max77693);
-
 	if (ret)
 		dev_err(max77693->dev, "Failed to request IRQ %d: %d\n",
 			max77693->irq, ret);
 
-	return 0;
+err_irq:
+	return ret;
 }
 
 void max77693_irq_exit(struct max77693_dev *max77693)

drivers/mfd/max77693.c

···
 	max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
 	i2c_set_clientdata(max77693->haptic, max77693);
 
+	/*
+	 * Initialize register map for MUIC device because use regmap-muic
+	 * instance of MUIC device when irq of max77693 is initialized
+	 * before call max77693-muic probe() function.
+	 */
+	max77693->regmap_muic = devm_regmap_init_i2c(max77693->muic,
+					 &max77693_regmap_config);
+	if (IS_ERR(max77693->regmap_muic)) {
+		ret = PTR_ERR(max77693->regmap_muic);
+		dev_err(max77693->dev,
+			"failed to allocate register map: %d\n", ret);
+		goto err_regmap;
+	}
+
 	ret = max77693_irq_init(max77693);
 	if (ret < 0)
 		goto err_irq;
···
 	pm_runtime_set_active(max77693->dev);
 
 	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
-			ARRAY_SIZE(max77693_devs), NULL, 0);
+			      ARRAY_SIZE(max77693_devs), NULL, 0, NULL);
 	if (ret < 0)
 		goto err_mfd;
 

drivers/mfd/max8925-core.c

···
 
 	ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0],
 			      ARRAY_SIZE(rtc_devs),
-			      &rtc_resources[0], chip->irq_base);
+			      &rtc_resources[0], chip->irq_base, NULL);
 	if (ret < 0) {
 		dev_err(chip->dev, "Failed to add rtc subdev\n");
 		goto out;
···
 
 	ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0],
 			      ARRAY_SIZE(onkey_devs),
-			      &onkey_resources[0], 0);
+			      &onkey_resources[0], 0, NULL);
 	if (ret < 0) {
 		dev_err(chip->dev, "Failed to add onkey subdev\n");
 		goto out_dev;
···
 	if (pdata) {
 		ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
 				      ARRAY_SIZE(regulator_devs),
-				      &regulator_resources[0], 0);
+				      &regulator_resources[0], 0, NULL);
 		if (ret < 0) {
 			dev_err(chip->dev, "Failed to add regulator subdev\n");
 			goto out_dev;
···
 	if (pdata && pdata->backlight) {
 		ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
 				      ARRAY_SIZE(backlight_devs),
-				      &backlight_resources[0], 0);
+				      &backlight_resources[0], 0, NULL);
 		if (ret < 0) {
 			dev_err(chip->dev, "Failed to add backlight subdev\n");
 			goto out_dev;
···
 	if (pdata && pdata->power) {
 		ret = mfd_add_devices(chip->dev, 0, &power_devs[0],
 					ARRAY_SIZE(power_devs),
-					&power_supply_resources[0], 0);
+				      &power_supply_resources[0], 0, NULL);
 		if (ret < 0) {
 			dev_err(chip->dev, "Failed to add power supply "
 				"subdev\n");
···
 	if (pdata && pdata->touch) {
 		ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
 				      ARRAY_SIZE(touch_devs),
-				      &touch_resources[0], 0);
+				      &touch_resources[0], 0, NULL);
 		if (ret < 0) {
 			dev_err(chip->dev, "Failed to add touch subdev\n");
 			goto out_dev;

drivers/mfd/max8997.c

···
 
 	mfd_add_devices(max8997->dev, -1, max8997_devs,
 			ARRAY_SIZE(max8997_devs),
-			NULL, 0);
+			NULL, 0, NULL);
 
 	/*
 	 * TODO: enable others (flash, muic, rtc, battery, ...) and

drivers/mfd/max8998.c

···
 	switch (id->driver_data) {
 	case TYPE_LP3974:
 		ret = mfd_add_devices(max8998->dev, -1,
-				lp3974_devs, ARRAY_SIZE(lp3974_devs),
-				NULL, 0);
+				      lp3974_devs, ARRAY_SIZE(lp3974_devs),
+				      NULL, 0, NULL);
 		break;
 	case TYPE_MAX8998:
 		ret = mfd_add_devices(max8998->dev, -1,
-				max8998_devs, ARRAY_SIZE(max8998_devs),
-				NULL, 0);
+				      max8998_devs, ARRAY_SIZE(max8998_devs),
+				      NULL, 0, NULL);
 		break;
 	default:
 		ret = -EINVAL;

drivers/mfd/mc13xxx-core.c

···
 	if (!cell.name)
 		return -ENOMEM;
 
-	return mfd_add_devices(mc13xxx->dev, -1, &cell, 1, NULL, 0);
+	return mfd_add_devices(mc13xxx->dev, -1, &cell, 1, NULL, 0, NULL);
 }
 
 static int mc13xxx_add_subdevice(struct mc13xxx *mc13xxx, const char *format)

drivers/mfd/mfd-core.c

···
 static int mfd_add_device(struct device *parent, int id,
 			  const struct mfd_cell *cell,
 			  struct resource *mem_base,
-			  int irq_base)
+			  int irq_base, struct irq_domain *domain)
 {
 	struct resource *res;
 	struct platform_device *pdev;
 	struct device_node *np = NULL;
-	struct irq_domain *domain = NULL;
 	int ret = -ENOMEM;
 	int r;
 
···
 		for_each_child_of_node(parent->of_node, np) {
 			if (of_device_is_compatible(np, cell->of_compatible)) {
 				pdev->dev.of_node = np;
-				domain = irq_find_host(parent->of_node);
 				break;
 			}
 		}
···
 int mfd_add_devices(struct device *parent, int id,
 		    struct mfd_cell *cells, int n_devs,
 		    struct resource *mem_base,
-		    int irq_base)
+		    int irq_base, struct irq_domain *domain)
 {
 	int i;
 	int ret = 0;
···
 	for (i = 0; i < n_devs; i++) {
 		atomic_set(&cnts[i], 0);
 		cells[i].usage_count = &cnts[i];
-		ret = mfd_add_device(parent, id, cells + i, mem_base, irq_base);
+		ret = mfd_add_device(parent, id, cells + i, mem_base,
+				     irq_base, domain);
 		if (ret)
 			break;
 	}
···
 	for (i = 0; i < n_clones; i++) {
 		cell_entry.name = clones[i];
 		/* don't give up if a single call fails; just report error */
-		if (mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0))
+		if (mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0,
+				   NULL))
 			dev_err(dev, "failed to create platform device '%s'\n",
 					clones[i]);
 	}

drivers/mfd/palmas.c

···
 
 	ret = mfd_add_devices(palmas->dev, -1,
 			      children, ARRAY_SIZE(palmas_children),
-			      NULL, regmap_irq_chip_get_base(palmas->irq_data));
+			      NULL, regmap_irq_chip_get_base(palmas->irq_data),
+			      NULL);
 	kfree(children);
 
 	if (ret < 0)

drivers/mfd/rc5t583.c

···
 	}
 
 	ret = mfd_add_devices(rc5t583->dev, -1, rc5t583_subdevs,
-			ARRAY_SIZE(rc5t583_subdevs), NULL, 0);
+			      ARRAY_SIZE(rc5t583_subdevs), NULL, 0, NULL);
 	if (ret) {
 		dev_err(&i2c->dev, "add mfd devices failed: %d\n", ret);
 		goto err_add_devs;

drivers/mfd/rdc321x-southbridge.c

···
 	rdc321x_wdt_pdata.sb_pdev = pdev;
 
 	return mfd_add_devices(&pdev->dev, -1,
-		rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), NULL, 0);
+			       rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells),
+			       NULL, 0, NULL);
 }
 
 static void __devexit rdc321x_sb_remove(struct pci_dev *pdev)

drivers/mfd/sec-core.c

···
 	switch (sec_pmic->device_type) {
 	case S5M8751X:
 		ret = mfd_add_devices(sec_pmic->dev, -1, s5m8751_devs,
-					ARRAY_SIZE(s5m8751_devs), NULL, 0);
+				      ARRAY_SIZE(s5m8751_devs), NULL, 0, NULL);
 		break;
 	case S5M8763X:
 		ret = mfd_add_devices(sec_pmic->dev, -1, s5m8763_devs,
-					ARRAY_SIZE(s5m8763_devs), NULL, 0);
+				      ARRAY_SIZE(s5m8763_devs), NULL, 0, NULL);
 		break;
 	case S5M8767X:
 		ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs,
-					ARRAY_SIZE(s5m8767_devs), NULL, 0);
+				      ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL);
 		break;
 	case S2MPS11X:
 		ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
-					ARRAY_SIZE(s2mps11_devs), NULL, 0);
+				      ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
 		break;
 	default:
 		/* If this happens the probe function is problem */

drivers/mfd/sta2x11-mfd.c

···
 			      sta2x11_mfd_bar0,
 			      ARRAY_SIZE(sta2x11_mfd_bar0),
 			      &pdev->resource[0],
-			      0);
+			      0, NULL);
 	if (err) {
 		dev_err(&pdev->dev, "mfd_add_devices[0] failed: %d\n", err);
 		goto err_disable;
···
 			      sta2x11_mfd_bar1,
 			      ARRAY_SIZE(sta2x11_mfd_bar1),
 			      &pdev->resource[1],
-			      0);
+			      0, NULL);
 	if (err) {
 		dev_err(&pdev->dev, "mfd_add_devices[1] failed: %d\n", err);
 		goto err_disable;

drivers/mfd/stmpe.c

···
 				      struct mfd_cell *cell, int irq)
 {
 	return mfd_add_devices(stmpe->dev, stmpe->pdata->id, cell, 1,
-			       NULL, stmpe->irq_base + irq);
+			       NULL, stmpe->irq_base + irq, NULL);
 }
 
 static int __devinit stmpe_devices_init(struct stmpe *stmpe)

drivers/mfd/t7l66xb.c

···
 
 	ret = mfd_add_devices(&dev->dev, dev->id,
 			      t7l66xb_cells, ARRAY_SIZE(t7l66xb_cells),
-			      iomem, t7l66xb->irq_base);
+			      iomem, t7l66xb->irq_base, NULL);
 
 	if (!ret)
 		return 0;

drivers/mfd/tc3589x.c

···
 
 	if (blocks & TC3589x_BLOCK_GPIO) {
 		ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_gpio,
-				ARRAY_SIZE(tc3589x_dev_gpio), NULL,
-				tc3589x->irq_base);
+				      ARRAY_SIZE(tc3589x_dev_gpio), NULL,
+				      tc3589x->irq_base, NULL);
 		if (ret) {
 			dev_err(tc3589x->dev, "failed to add gpio child\n");
 			return ret;
···
 
 	if (blocks & TC3589x_BLOCK_KEYPAD) {
 		ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_keypad,
-				ARRAY_SIZE(tc3589x_dev_keypad), NULL,
-				tc3589x->irq_base);
+				      ARRAY_SIZE(tc3589x_dev_keypad), NULL,
+				      tc3589x->irq_base, NULL);
 		if (ret) {
 			dev_err(tc3589x->dev, "failed to keypad child\n");
 			return ret;

drivers/mfd/tc6387xb.c

···
 	printk(KERN_INFO "Toshiba tc6387xb initialised\n");
 
 	ret = mfd_add_devices(&dev->dev, dev->id, tc6387xb_cells,
-			      ARRAY_SIZE(tc6387xb_cells), iomem, irq);
+			      ARRAY_SIZE(tc6387xb_cells), iomem, irq, NULL);
 
 	if (!ret)
 		return 0;

drivers/mfd/tc6393xb.c

···
 	tc6393xb_cells[TC6393XB_CELL_FB].pdata_size = sizeof(*tcpd->fb_data);
 
 	ret = mfd_add_devices(&dev->dev, dev->id,
-			tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
-			iomem, tcpd->irq_base);
+			      tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
+			      iomem, tcpd->irq_base, NULL);
 
 	if (!ret)
 		return 0;

drivers/mfd/ti-ssp.c

···
 		cells[id].data_size	= data->pdata_size;
 	}
 
-	error = mfd_add_devices(dev, 0, cells, 2, NULL, 0);
+	error = mfd_add_devices(dev, 0, cells, 2, NULL, 0, NULL);
 	if (error < 0) {
 		dev_err(dev, "cannot add mfd cells\n");
 		goto error_enable;

drivers/mfd/timberdale.c

···
 		err = mfd_add_devices(&dev->dev, -1,
 			timberdale_cells_bar0_cfg0,
 			ARRAY_SIZE(timberdale_cells_bar0_cfg0),
-			&dev->resource[0], msix_entries[0].vector);
+			&dev->resource[0], msix_entries[0].vector, NULL);
 		break;
 	case TIMB_HW_VER1:
 		err = mfd_add_devices(&dev->dev, -1,
 			timberdale_cells_bar0_cfg1,
 			ARRAY_SIZE(timberdale_cells_bar0_cfg1),
-			&dev->resource[0], msix_entries[0].vector);
+			&dev->resource[0], msix_entries[0].vector, NULL);
 		break;
 	case TIMB_HW_VER2:
 		err = mfd_add_devices(&dev->dev, -1,
 			timberdale_cells_bar0_cfg2,
 			ARRAY_SIZE(timberdale_cells_bar0_cfg2),
-			&dev->resource[0], msix_entries[0].vector);
+			&dev->resource[0], msix_entries[0].vector, NULL);
 		break;
 	case TIMB_HW_VER3:
 		err = mfd_add_devices(&dev->dev, -1,
 			timberdale_cells_bar0_cfg3,
 			ARRAY_SIZE(timberdale_cells_bar0_cfg3),
-			&dev->resource[0], msix_entries[0].vector);
+			&dev->resource[0], msix_entries[0].vector, NULL);
 		break;
 	default:
 		dev_err(&dev->dev, "Uknown IP setup: %d.%d.%d\n",
···
 
 	err = mfd_add_devices(&dev->dev, 0,
 		timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1),
-		&dev->resource[1], msix_entries[0].vector);
+		&dev->resource[1], msix_entries[0].vector, NULL);
 	if (err) {
 		dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
 		goto err_mfd2;
···
 		((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) {
 		err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2,
 			ARRAY_SIZE(timberdale_cells_bar2),
-			&dev->resource[2], msix_entries[0].vector);
+			&dev->resource[2], msix_entries[0].vector, NULL);
 		if (err) {
 			dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);
 			goto err_mfd2;

drivers/mfd/tps6105x.c

···
 	}
 
 	ret = mfd_add_devices(&client->dev, 0, tps6105x_cells,
-		ARRAY_SIZE(tps6105x_cells), NULL, 0);
+			      ARRAY_SIZE(tps6105x_cells), NULL, 0, NULL);
 	if (ret)
 		goto fail;
 

drivers/mfd/tps6507x.c

···
 
 	ret = mfd_add_devices(tps6507x->dev, -1,
 			      tps6507x_devs, ARRAY_SIZE(tps6507x_devs),
-			      NULL, 0);
+			      NULL, 0, NULL);
 
 	if (ret < 0)
 		goto err;

drivers/mfd/tps65090.c

···
 	}
 
 	ret = mfd_add_devices(tps65090->dev, -1, tps65090s,
-		ARRAY_SIZE(tps65090s), NULL, 0);
+			      ARRAY_SIZE(tps65090s), NULL, 0, NULL);
 	if (ret) {
 		dev_err(&client->dev, "add mfd devices failed with err: %d\n",
 			ret);

drivers/mfd/tps65217.c

···
 #include <linux/slab.h>
 #include <linux/regmap.h>
 #include <linux/err.h>
-#include <linux/regulator/of_regulator.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 
 #include <linux/mfd/core.h>
 #include <linux/mfd/tps65217.h>
+
+static struct mfd_cell tps65217s[] = {
+	{
+		.name = "tps65217-pmic",
+	},
+};
 
 /**
  * tps65217_reg_read: Read a single tps65217 register.
···
 }
 EXPORT_SYMBOL_GPL(tps65217_clear_bits);
 
-#ifdef CONFIG_OF
-static struct of_regulator_match reg_matches[] = {
-	{ .name = "dcdc1", .driver_data = (void *)TPS65217_DCDC_1 },
-	{ .name = "dcdc2", .driver_data = (void *)TPS65217_DCDC_2 },
-	{ .name = "dcdc3", .driver_data = (void *)TPS65217_DCDC_3 },
-	{ .name = "ldo1", .driver_data = (void *)TPS65217_LDO_1 },
-	{ .name = "ldo2", .driver_data = (void *)TPS65217_LDO_2 },
-	{ .name = "ldo3", .driver_data = (void *)TPS65217_LDO_3 },
-	{ .name = "ldo4", .driver_data = (void *)TPS65217_LDO_4 },
-};
-
-static struct tps65217_board *tps65217_parse_dt(struct i2c_client *client)
-{
-	struct device_node *node = client->dev.of_node;
-	struct tps65217_board *pdata;
-	struct device_node *regs;
-	int count = ARRAY_SIZE(reg_matches);
-	int ret, i;
-
-	regs = of_find_node_by_name(node, "regulators");
-	if (!regs)
-		return NULL;
-
-	ret = of_regulator_match(&client->dev, regs, reg_matches, count);
-	of_node_put(regs);
-	if ((ret < 0) || (ret > count))
-		return NULL;
-
-	count = ret;
-	pdata = devm_kzalloc(&client->dev, count * sizeof(*pdata), GFP_KERNEL);
-	if (!pdata)
-		return NULL;
-
-	for (i = 0; i < count; i++) {
-		if (!reg_matches[i].init_data || !reg_matches[i].of_node)
-			continue;
-
-		pdata->tps65217_init_data[i] = reg_matches[i].init_data;
-		pdata->of_node[i] = reg_matches[i].of_node;
-	}
-
-	return pdata;
-}
-
-static struct of_device_id tps65217_of_match[] = {
-	{ .compatible = "ti,tps65217", },
-	{ },
-};
-#else
-static struct tps65217_board *tps65217_parse_dt(struct i2c_client *client)
-{
-	return NULL;
-}
-#endif
-
 static struct regmap_config tps65217_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
+};
+
+static const struct of_device_id tps65217_of_match[] = {
+	{ .compatible = "ti,tps65217", .data = (void *)TPS65217 },
+	{ /* sentinel */ },
 };
 
 static int __devinit tps65217_probe(struct i2c_client *client,
 				const struct i2c_device_id *ids)
 {
 	struct tps65217 *tps;
-	struct regulator_init_data *reg_data;
-	struct tps65217_board *pdata = client->dev.platform_data;
-	int i, ret;
 	unsigned int version;
+	unsigned int chip_id = ids->driver_data;
+	const struct of_device_id *match;
+	int ret;
 
-	if (!pdata && client->dev.of_node)
-		pdata = tps65217_parse_dt(client);
+	if (client->dev.of_node) {
+		match = of_match_device(tps65217_of_match, &client->dev);
+		if (!match) {
+			dev_err(&client->dev,
+				"Failed to find matching dt id\n");
+			return -EINVAL;
+		}
+		chip_id = (unsigned int)match->data;
+	}
+
+	if (!chip_id) {
+		dev_err(&client->dev, "id is null.\n");
+		return -ENODEV;
+	}
 
 	tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
 	if (!tps)
 		return -ENOMEM;
 
-	tps->pdata = pdata;
+	i2c_set_clientdata(client, tps);
+	tps->dev = &client->dev;
+	tps->id = chip_id;
+
 	tps->regmap = devm_regmap_init_i2c(client, &tps65217_regmap_config);
 	if (IS_ERR(tps->regmap)) {
 		ret = PTR_ERR(tps->regmap);
···
 		return ret;
 	}
 
-	i2c_set_clientdata(client, tps);
-	tps->dev = &client->dev;
+	ret = mfd_add_devices(tps->dev, -1, tps65217s,
+			      ARRAY_SIZE(tps65217s), NULL, 0, NULL);
+	if (ret < 0) {
+		dev_err(tps->dev, "mfd_add_devices failed: %d\n", ret);
+		return ret;
+	}
 
 	ret = tps65217_reg_read(tps, TPS65217_REG_CHIPID, &version);
 	if (ret < 0) {
···
 			(version & TPS65217_CHIPID_CHIP_MASK) >> 4,
 			version & TPS65217_CHIPID_REV_MASK);
 
-	for (i = 0; i < TPS65217_NUM_REGULATOR; i++) {
-		struct platform_device *pdev;
-
-		pdev = platform_device_alloc("tps65217-pmic", i);
-		if (!pdev) {
-			dev_err(tps->dev, "Cannot create regulator %d\n", i);
-			continue;
-		}
-
-		pdev->dev.parent = tps->dev;
-		pdev->dev.of_node = pdata->of_node[i];
-		reg_data = pdata->tps65217_init_data[i];
-		platform_device_add_data(pdev, reg_data, sizeof(*reg_data));
-		tps->regulator_pdev[i] = pdev;
-
-		platform_device_add(pdev);
-	}
-
 	return 0;
 }
 
 static int __devexit tps65217_remove(struct i2c_client *client)
 {
 	struct tps65217 *tps = i2c_get_clientdata(client);
-	int i;
 
-	for (i = 0; i < TPS65217_NUM_REGULATOR; i++)
-		platform_device_unregister(tps->regulator_pdev[i]);
+	mfd_remove_devices(tps->dev);
 
 	return 0;
 }
 
 static const struct i2c_device_id tps65217_id_table[] = {
-	{"tps65217", 0xF0},
-	{/* end of list */}
+	{"tps65217", TPS65217},
+	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(i2c, tps65217_id_table);
 

drivers/mfd/tps6586x.c

···
 	}
 
 	ret = mfd_add_devices(tps6586x->dev, -1,
-			tps6586x_cell, ARRAY_SIZE(tps6586x_cell), NULL, 0);
+			      tps6586x_cell, ARRAY_SIZE(tps6586x_cell),
+			      NULL, 0, NULL);
 	if (ret < 0) {
 		dev_err(&client->dev, "mfd_add_devices failed: %d\n", ret);
 		goto err_mfd_add;

drivers/mfd/tps65910.c

···
 
 	ret = mfd_add_devices(tps65910->dev, -1,
 			      tps65910s, ARRAY_SIZE(tps65910s),
-			      NULL, 0);
+			      NULL, 0, NULL);
 	if (ret < 0) {
 		dev_err(&i2c->dev, "mfd_add_devices failed: %d\n", ret);
 		return ret;

drivers/mfd/tps65912-core.c

···
 
 	ret = mfd_add_devices(tps65912->dev, -1,
 			      tps65912s, ARRAY_SIZE(tps65912s),
-			      NULL, 0);
+			      NULL, 0, NULL);
 	if (ret < 0)
 		goto err;
 

drivers/mfd/twl4030-audio.c

···
 
 	if (childs)
 		ret = mfd_add_devices(&pdev->dev, pdev->id, audio->cells,
-				      childs, NULL, 0);
+				      childs, NULL, 0, NULL);
 	else {
 		dev_err(&pdev->dev, "No platform data found for childs\n");
 		ret = -ENODEV;

drivers/mfd/twl6040-core.c

···
 	}
 
 	ret = mfd_add_devices(&client->dev, -1, twl6040->cells, children,
-			      NULL, 0);
+			      NULL, 0, NULL);
 	if (ret)
 		goto mfd_err;
 

drivers/mfd/vx855.c

···
 	vx855_gpio_resources[1].end = vx855_gpio_resources[1].start + 3;
 
 	ret = mfd_add_devices(&pdev->dev, -1, vx855_cells, ARRAY_SIZE(vx855_cells),
-			NULL, 0);
+			NULL, 0, NULL);
 
 	/* we always return -ENODEV here in order to enable other
 	 * drivers like old, not-yet-platform_device ported i2c-viapro */

drivers/mfd/wl1273-core.c

···
 		__func__, children);
 
 	r = mfd_add_devices(&client->dev, -1, core->cells,
-			    children, NULL, 0);
+			    children, NULL, 0, NULL);
 	if (r)
 		goto err;
 

drivers/mfd/wm831x-core.c

···
 	case WM8310:
 		ret = mfd_add_devices(wm831x->dev, wm831x_num,
 				      wm8310_devs, ARRAY_SIZE(wm8310_devs),
-				      NULL, 0);
+				      NULL, 0, NULL);
 		break;
 
 	case WM8311:
 		ret = mfd_add_devices(wm831x->dev, wm831x_num,
 				      wm8311_devs, ARRAY_SIZE(wm8311_devs),
-				      NULL, 0);
+				      NULL, 0, NULL);
 		if (!pdata || !pdata->disable_touch)
 			mfd_add_devices(wm831x->dev, wm831x_num,
 					touch_devs, ARRAY_SIZE(touch_devs),
-					NULL, 0);
+					NULL, 0, NULL);
 		break;
 
 	case WM8312:
 		ret = mfd_add_devices(wm831x->dev, wm831x_num,
 				      wm8312_devs, ARRAY_SIZE(wm8312_devs),
-				      NULL, 0);
+				      NULL, 0, NULL);
 		if (!pdata || !pdata->disable_touch)
 			mfd_add_devices(wm831x->dev, wm831x_num,
 					touch_devs, ARRAY_SIZE(touch_devs),
-					NULL, 0);
+					NULL, 0, NULL);
 		break;
 
 	case WM8320:
···
 	case WM8326:
 		ret = mfd_add_devices(wm831x->dev, wm831x_num,
 				      wm8320_devs, ARRAY_SIZE(wm8320_devs),
-				      NULL, 0);
+				      NULL, 0, NULL);
 		break;
 
 	default:
···
 	if (ret & WM831X_XTAL_ENA) {
 		ret = mfd_add_devices(wm831x->dev, wm831x_num,
 				      rtc_devs, ARRAY_SIZE(rtc_devs),
-				      NULL, 0);
+				      NULL, 0, NULL);
 		if (ret != 0) {
 			dev_err(wm831x->dev, "Failed to add RTC: %d\n", ret);
 			goto err_irq;
···
 		/* Treat errors as non-critical */
 		ret = mfd_add_devices(wm831x->dev, wm831x_num, backlight_devs,
 				      ARRAY_SIZE(backlight_devs), NULL,
-				      0);
+				      0, NULL);
 		if (ret < 0)
 			dev_err(wm831x->dev, "Failed to add backlight: %d\n",
 				ret);

drivers/mfd/wm8400-core.c

···
 		.pdata_size = sizeof(*wm8400),
 	};
 
-	return mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0);
+	return mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0, NULL);
 }
 
 /*

drivers/mfd/wm8994-core.c

···
 	ret = mfd_add_devices(wm8994->dev, -1,
 			      wm8994_regulator_devs,
 			      ARRAY_SIZE(wm8994_regulator_devs),
-			      NULL, 0);
+			      NULL, 0, NULL);
 	if (ret != 0) {
 		dev_err(wm8994->dev, "Failed to add children: %d\n", ret);
 		goto err;
···
 
 	ret = mfd_add_devices(wm8994->dev, -1,
 			      wm8994_devs, ARRAY_SIZE(wm8994_devs),
-			      NULL, 0);
+			      NULL, 0, NULL);
 	if (ret != 0) {
 		dev_err(wm8994->dev, "Failed to add children: %d\n", ret);
 		goto err_irq;

drivers/net/can/janz-ican3.c

···
  */
 static int ican3_reset_module(struct ican3_dev *mod)
 {
-	u8 val = 1 << mod->num;
 	unsigned long start;
 	u8 runold, runnew;
 
···
 	runold = ioread8(mod->dpm + TARGET_RUNNING);
 
 	/* reset the module */
-	iowrite8(val, &mod->ctrl->reset_assert);
-	iowrite8(val, &mod->ctrl->reset_deassert);
+	iowrite8(0x00, &mod->dpmctrl->hwreset);
 
 	/* wait until the module has finished resetting and is running */
 	start = jiffies;

drivers/net/can/ti_hecc.c

···
 	struct net_device *ndev = platform_get_drvdata(pdev);
 	struct ti_hecc_priv *priv = netdev_priv(ndev);
 
+	unregister_candev(ndev);
 	clk_disable(priv->clk);
 	clk_put(priv->clk);
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	iounmap(priv->base);
 	release_mem_region(res->start, resource_size(res));
-	unregister_candev(ndev);
 	free_candev(ndev);
 	platform_set_drvdata(pdev, NULL);
 

drivers/net/ethernet/broadcom/bnx2.c

···
 	return 0;
 
 error:
-	iounmap(bp->regview);
+	pci_iounmap(pdev, bp->regview);
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

···
 				 struct bnx2x_fastpath *fp,
 				 struct bnx2x_eth_q_stats *qstats)
 {
-	/* Do nothing if no IP/L4 csum validation was done */
-
+	/* Do nothing if no L4 csum validation was done.
+	 * We do not check whether IP csum was validated. For IPv4 we assume
+	 * that if the card got as far as validating the L4 csum, it also
+	 * validated the IP csum. IPv6 has no IP csum.
+	 */
 	if (cqe->fast_path_cqe.status_flags &
-	    (ETH_FAST_PATH_RX_CQE_IP_XSUM_NO_VALIDATION_FLG |
-	     ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG))
+	    ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG)
 		return;
 
-	/* If both IP/L4 validation were done, check if an error was found. */
+	/* If L4 validation was done, check if an error was found. */
 
 	if (cqe->fast_path_cqe.type_error_flags &
 	    (ETH_FAST_PATH_RX_CQE_IP_BAD_XSUM_FLG |

drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c

···
 	}
 
 #ifdef CONFIG_PCI_MSI
-	/*
-	 * It's expected that number of CAM entries for this functions is equal
-	 * to the number evaluated based on the MSI-X table size. We want a
-	 * harsh warning if these values are different!
+	/* Due to new PF resource allocation by MFW T7.4 and above, it's
+	 * optional that number of CAM entries will not be equal to the value
+	 * advertised in PCI.
+	 * Driver should use the minimal value of both as the actual status
+	 * block count
 	 */
-	WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
+	bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt);
 #endif
 
 	if (igu_sb_cnt == 0)

drivers/net/ethernet/cadence/at91_ether.c

···
 	/* Clock */
 	lp->ether_clk = clk_get(&pdev->dev, "ether_clk");
 	if (IS_ERR(lp->ether_clk)) {
-		res = -ENODEV;
+		res = PTR_ERR(lp->ether_clk);
 		goto err_ioumap;
 	}
 	clk_enable(lp->ether_clk);

drivers/net/ethernet/freescale/gianfar_ethtool.c

···
 }
 
 int gfar_phc_index = -1;
+EXPORT_SYMBOL(gfar_phc_index);
 
 static int gfar_get_ts_info(struct net_device *dev,
 			    struct ethtool_ts_info *info)

drivers/net/ethernet/freescale/gianfar_ptp.c

···
 		err = PTR_ERR(etsects->clock);
 		goto no_clock;
 	}
-	gfar_phc_clock = ptp_clock_index(etsects->clock);
+	gfar_phc_index = ptp_clock_index(etsects->clock);
 
 	dev_set_drvdata(&dev->dev, etsects);
 
···
 	gfar_write(&etsects->regs->tmr_temask, 0);
 	gfar_write(&etsects->regs->tmr_ctrl,   0);
 
-	gfar_phc_clock = -1;
+	gfar_phc_index = -1;
 	ptp_clock_unregister(etsects->clock);
 	iounmap(etsects->regs);
 	release_resource(etsects->rsrc);

drivers/net/ethernet/intel/e1000/e1000_main.c

···
 		return NETDEV_TX_OK;
 	}
 
+	/* On PCI/PCI-X HW, if packet size is less than ETH_ZLEN,
+	 * packets may get corrupted during padding by HW.
+	 * To WA this issue, pad all small packets manually.
+	 */
+	if (skb->len < ETH_ZLEN) {
+		if (skb_pad(skb, ETH_ZLEN - skb->len))
+			return NETDEV_TX_OK;
+		skb->len = ETH_ZLEN;
+		skb_set_tail_pointer(skb, ETH_ZLEN);
+	}
+
 	mss = skb_shinfo(skb)->gso_size;
 	/* The controller does a simple calculation to
 	 * make sure there is enough room in the FIFO before

drivers/net/ethernet/mellanox/mlx4/icm.c

···
 			MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE);
 }
 
-int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj)
+int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj)
 {
-	int i = (obj & (table->num_obj - 1)) / (MLX4_TABLE_CHUNK_SIZE / table->obj_size);
+	u32 i = (obj & (table->num_obj - 1)) /
+			(MLX4_TABLE_CHUNK_SIZE / table->obj_size);
 	int ret = 0;
 
 	mutex_lock(&table->mutex);
···
 	return ret;
 }
 
-void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj)
+void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj)
 {
-	int i;
+	u32 i;
+	u64 offset;
 
 	i = (obj & (table->num_obj - 1)) / (MLX4_TABLE_CHUNK_SIZE / table->obj_size);
 
 	mutex_lock(&table->mutex);
 
 	if (--table->icm[i]->refcount == 0) {
-		mlx4_UNMAP_ICM(dev, table->virt + i * MLX4_TABLE_CHUNK_SIZE,
+		offset = (u64) i * MLX4_TABLE_CHUNK_SIZE;
+		mlx4_UNMAP_ICM(dev, table->virt + offset,
 			       MLX4_TABLE_CHUNK_SIZE / MLX4_ICM_PAGE_SIZE);
 		mlx4_free_icm(dev, table->icm[i], table->coherent);
 		table->icm[i] = NULL;
···
 	mutex_unlock(&table->mutex);
 }
 
-void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_handle)
+void *mlx4_table_find(struct mlx4_icm_table *table, u32 obj,
+			dma_addr_t *dma_handle)
 {
-	int idx, offset, dma_offset, i;
+	int offset, dma_offset, i;
+	u64 idx;
 	struct mlx4_icm_chunk *chunk;
 	struct mlx4_icm *icm;
 	struct page *page = NULL;
···
 
 	mutex_lock(&table->mutex);
 
-	idx = (obj & (table->num_obj - 1)) * table->obj_size;
+	idx = (u64) (obj & (table->num_obj - 1)) * table->obj_size;
 	icm = table->icm[idx / MLX4_TABLE_CHUNK_SIZE];
 	dma_offset = offset = idx % MLX4_TABLE_CHUNK_SIZE;
 
···
 }
 
 int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
-			 int start, int end)
+			 u32 start, u32 end)
 {
 	int inc = MLX4_TABLE_CHUNK_SIZE / table->obj_size;
-	int i, err;
+	int err;
+	u32 i;
 
 	for (i = start; i <= end; i += inc) {
 		err = mlx4_table_get(dev, table, i);
···
 }
 
 void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
-			  int start, int end)
+			  u32 start, u32 end)
 {
-	int i;
+	u32 i;
 
 	for (i = start; i <= end; i += MLX4_TABLE_CHUNK_SIZE / table->obj_size)
 		mlx4_table_put(dev, table, i);

drivers/net/ethernet/mellanox/mlx4/icm.h

···
 				gfp_t gfp_mask, int coherent);
 void mlx4_free_icm(struct mlx4_dev *dev, struct mlx4_icm *icm, int coherent);
 
-int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj);
-void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj);
+int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj);
+void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj);
 int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
-			 int start, int end);
+			 u32 start, u32 end);
 void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
-			  int start, int end);
+			  u32 start, u32 end);
 int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table,
 			u64 virt, int obj_size,	u32 nobj, int reserved,
 			int use_lowmem, int use_coherent);
 void mlx4_cleanup_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table);
-void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_handle);
+void *mlx4_table_find(struct mlx4_icm_table *table, u32 obj, dma_addr_t *dma_handle);
 
 static inline void mlx4_icm_first(struct mlx4_icm *icm,
 				  struct mlx4_icm_iter *iter)

drivers/net/ethernet/octeon/octeon_mgmt.c

···
 				   octeon_mgmt_adjust_link, 0,
 				   PHY_INTERFACE_MODE_MII);
 
-	if (IS_ERR(p->phydev)) {
-		p->phydev = NULL;
+	if (!p->phydev)
 		return -1;
-	}
 
 	phy_start_aneg(p->phydev);
 

drivers/net/ethernet/pasemi/pasemi_mac.c

···
 	phydev = of_phy_connect(dev, phy_dn, &pasemi_adjust_link, 0,
 				PHY_INTERFACE_MODE_SGMII);
 
-	if (IS_ERR(phydev)) {
+	if (!phydev) {
 		printk(KERN_ERR "%s: Could not attach to phy\n", dev->name);
-		return PTR_ERR(phydev);
+		return -ENODEV;
 	}
 
 	mac->phydev = phydev;

drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c

···
 	struct pci_dev *root = pdev->bus->self;
 	u32 aer_pos;
 
+	/* root bus? */
+	if (!root)
+		return;
+
 	if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
 		adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
 		return;

drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c

···
 
 	do {
 		/* give atleast 1ms for firmware to respond */
-		msleep(1);
+		mdelay(1);
 
 		if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT)
 			return QLCNIC_CDRP_RSP_TIMEOUT;
···
 		qlcnic_fw_cmd_destroy_tx_ctx(adapter);
 
 		/* Allow dma queues to drain after context reset */
-		msleep(20);
+		mdelay(20);
 	}
 }
 

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

···
 	} else
 		priv->tm->enable = 1;
 #endif
-	clk_enable(priv->stmmac_clk);
+	clk_prepare_enable(priv->stmmac_clk);
 
 	stmmac_check_ether_addr(priv);
 
···
 	if (priv->phydev)
 		phy_disconnect(priv->phydev);
 
-	clk_disable(priv->stmmac_clk);
+	clk_disable_unprepare(priv->stmmac_clk);
 
 	return ret;
 }
···
 #ifdef CONFIG_STMMAC_DEBUG_FS
 	stmmac_exit_fs();
 #endif
-	clk_disable(priv->stmmac_clk);
+	clk_disable_unprepare(priv->stmmac_clk);
 
 	return 0;
 }
···
 	else {
 		stmmac_set_mac(priv->ioaddr, false);
 		/* Disable clock in case of PWM is off */
-		clk_disable(priv->stmmac_clk);
+		clk_disable_unprepare(priv->stmmac_clk);
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
 	return 0;
···
 		priv->hw->mac->pmt(priv->ioaddr, 0);
 	else
 		/* enable the clk prevously disabled */
-		clk_enable(priv->stmmac_clk);
+		clk_prepare_enable(priv->stmmac_clk);
 
 	netif_device_attach(ndev);
 

drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c

···
 static void stmmac_tmu_start(unsigned int new_freq)
 {
 	clk_set_rate(timer_clock, new_freq);
-	clk_enable(timer_clock);
+	clk_prepare_enable(timer_clock);
 }
 
 static void stmmac_tmu_stop(void)
 {
-	clk_disable(timer_clock);
+	clk_disable_unprepare(timer_clock);
 }
 
 int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm)
 {
 	timer_clock = clk_get(NULL, TMU_CHANNEL);
 
-	if (timer_clock == NULL)
+	if (IS_ERR(timer_clock))
 		return -1;
 
 	if (tmu2_register_user(stmmac_timer_handler, (void *)dev) < 0) {
···
 
 int stmmac_close_ext_timer(void)
 {
-	clk_disable(timer_clock);
+	clk_disable_unprepare(timer_clock);
 	tmu2_unregister_user();
 	clk_put(timer_clock);
 	return 0;

drivers/net/irda/sh_sir.c

···
 	}
 
 	clk = clk_get(NULL, "irda_clk");
-	if (!clk) {
+	if (IS_ERR(clk)) {
 		dev_err(dev, "can not get irda_clk\n");
 		return -EIO;
 	}

drivers/net/phy/bcm87xx.c

···
 		ARRAY_SIZE(bcm87xx_driver));
 }
 module_exit(bcm87xx_exit);
+
+MODULE_LICENSE("GPL");

drivers/net/phy/micrel.c

···
 #include <linux/phy.h>
 #include <linux/micrel_phy.h>
 
+/* Operation Mode Strap Override */
+#define MII_KSZPHY_OMSO				0x16
+#define KSZPHY_OMSO_B_CAST_OFF			(1 << 9)
+#define KSZPHY_OMSO_RMII_OVERRIDE		(1 << 1)
+#define KSZPHY_OMSO_MII_OVERRIDE		(1 << 0)
+
 /* general Interrupt control/status reg in vendor specific block. */
 #define MII_KSZPHY_INTCS			0x1B
 #define	KSZPHY_INTCS_JABBER			(1 << 15)
···
 	return 0;
 }
 
+static int ksz8021_config_init(struct phy_device *phydev)
+{
+	const u16 val = KSZPHY_OMSO_B_CAST_OFF | KSZPHY_OMSO_RMII_OVERRIDE;
+	phy_write(phydev, MII_KSZPHY_OMSO, val);
+	return 0;
+}
+
 static int ks8051_config_init(struct phy_device *phydev)
 {
 	int regval;
···
 	.config_intr	= ks8737_config_intr,
 	.driver		= { .owner = THIS_MODULE,},
 }, {
-	.phy_id		= PHY_ID_KS8041,
+	.phy_id		= PHY_ID_KSZ8021,
+	.phy_id_mask	= 0x00ffffff,
+	.name		= "Micrel KSZ8021",
+	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause |
+			   SUPPORTED_Asym_Pause),
+	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+	.config_init	= ksz8021_config_init,
+	.config_aneg	= genphy_config_aneg,
+	.read_status	= genphy_read_status,
+	.ack_interrupt	= kszphy_ack_interrupt,
+	.config_intr	= kszphy_config_intr,
+	.driver		= { .owner = THIS_MODULE,},
+}, {
+	.phy_id		= PHY_ID_KSZ8041,
 	.phy_id_mask	= 0x00fffff0,
-	.name		= "Micrel KS8041",
+	.name		= "Micrel KSZ8041",
 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause
 				| SUPPORTED_Asym_Pause),
 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
···
 	.config_intr	= kszphy_config_intr,
 	.driver		= { .owner = THIS_MODULE,},
 }, {
-	.phy_id		= PHY_ID_KS8051,
+	.phy_id		= PHY_ID_KSZ8051,
 	.phy_id_mask	= 0x00fffff0,
-	.name		= "Micrel KS8051",
+	.name		= "Micrel KSZ8051",
 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause
 				| SUPPORTED_Asym_Pause),
 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
···
 	.config_intr	= kszphy_config_intr,
 	.driver		= { .owner = THIS_MODULE,},
 }, {
-	.phy_id		= PHY_ID_KS8001,
-	.name		= "Micrel KS8001 or KS8721",
+	.phy_id		= PHY_ID_KSZ8001,
+	.name		= "Micrel KSZ8001 or KS8721",
 	.phy_id_mask	= 0x00ffffff,
 	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause),
 	.flags		= PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
···
 
 static struct mdio_device_id __maybe_unused micrel_tbl[] = {
 	{ PHY_ID_KSZ9021, 0x000ffffe },
-	{ PHY_ID_KS8001, 0x00ffffff },
+	{ PHY_ID_KSZ8001, 0x00ffffff },
 	{ PHY_ID_KS8737, 0x00fffff0 },
-	{ PHY_ID_KS8041, 0x00fffff0 },
-	{ PHY_ID_KS8051, 0x00fffff0 },
+	{ PHY_ID_KSZ8021, 0x00ffffff },
+	{ PHY_ID_KSZ8041, 0x00fffff0 },
+	{ PHY_ID_KSZ8051, 0x00fffff0 },
 	{ }
 };
 

drivers/net/phy/smsc.c

···
 	return smsc_phy_ack_interrupt (phydev);
 }
 
+static int lan87xx_config_init(struct phy_device *phydev)
+{
+	/*
+	 * Make sure the EDPWRDOWN bit is NOT set. Setting this bit on
+	 * LAN8710/LAN8720 PHY causes the PHY to misbehave, likely due
+	 * to a bug on the chip.
+	 *
+	 * When the system is powered on with the network cable being
+	 * disconnected all the way until after ifconfig ethX up is
+	 * issued for the LAN port with this PHY, connecting the cable
+	 * afterwards does not cause LINK change detection, while the
+	 * expected behavior is the Link UP being detected.
+	 */
+	int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS);
+	if (rc < 0)
+		return rc;
+
+	rc &= ~MII_LAN83C185_EDPWRDOWN;
+
+	rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS, rc);
+	if (rc < 0)
+		return rc;
+
+	return smsc_phy_ack_interrupt(phydev);
+}
+
 static int lan911x_config_init(struct phy_device *phydev)
 {
 	return smsc_phy_ack_interrupt(phydev);
···
 	/* basic functions */
 	.config_aneg	= genphy_config_aneg,
 	.read_status	= genphy_read_status,
-	.config_init	= smsc_phy_config_init,
+	.config_init	= lan87xx_config_init,
 
 	/* IRQ related */
 	.ack_interrupt	= smsc_phy_ack_interrupt,

drivers/net/ppp/pppoe.c

···
 
 	po = pppox_sk(sk);
 
-	if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) {
+	if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND | PPPOX_ZOMBIE)) {
 		dev_put(po->pppoe_dev);
 		po->pppoe_dev = NULL;
 	}

drivers/net/team/team.c

···
 #endif
 
 static void __team_port_change_port_added(struct team_port *port, bool linkup);
-
 static int team_dev_type_check_change(struct net_device *dev,
 				      struct net_device *port_dev);
 
···
 
 	hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq,
 			  &team_nl_family, 0, TEAM_CMD_NOOP);
-	if (IS_ERR(hdr)) {
-		err = PTR_ERR(hdr);
+	if (!hdr) {
+		err = -EMSGSIZE;
 		goto err_msg_put;
 	}
 
···
 
 	hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI,
 			  TEAM_CMD_OPTIONS_GET);
-	if (IS_ERR(hdr))
-		return PTR_ERR(hdr);
+	if (!hdr)
+		return -EMSGSIZE;
 
 	if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex))
 		goto nla_put_failure;
···
 
 	hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags,
 			  TEAM_CMD_PORT_LIST_GET);
-	if (IS_ERR(hdr))
-		return PTR_ERR(hdr);
+	if (!hdr)
+		return -EMSGSIZE;
 
 	if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex))
 		goto nla_put_failure;

drivers/net/usb/asix_devices.c

···
 	USB_DEVICE (0x2001, 0x3c05),
 	.driver_info = (unsigned long) &ax88772_info,
 }, {
+       // DLink DUB-E100 H/W Ver C1
+       USB_DEVICE (0x2001, 0x1a02),
+       .driver_info = (unsigned long) &ax88772_info,
+}, {
 	// Linksys USB1000
 	USB_DEVICE (0x1737, 0x0039),
 	.driver_info = (unsigned long) &ax88178_info,

drivers/net/usb/qmi_wwan.c

···
 	},
 
 	/* 2. Combined interface devices matching on class+protocol */
-	{       /* Huawei E367 and possibly others in "Windows mode" */
+	{	/* Huawei E367 and possibly others in "Windows mode" */
 		USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7),
 		.driver_info        = (unsigned long)&qmi_wwan_info,
 	},
···
 		USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17),
 		.driver_info        = (unsigned long)&qmi_wwan_info,
 	},
-	{       /* Pantech UML290, P4200 and more */
+	{	/* Pantech UML290, P4200 and more */
 		USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff),
 		.driver_info        = (unsigned long)&qmi_wwan_info,
 	},

drivers/net/usb/smsc75xx.c

···
 	.probe		= usbnet_probe,
 	.suspend	= usbnet_suspend,
 	.resume		= usbnet_resume,
+	.reset_resume	= usbnet_resume,
 	.disconnect	= usbnet_disconnect,
 	.disable_hub_initiated_lpm = 1,
 };

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

···
 	case EEP_RX_MASK:
 		return pBase->txrxMask & 0xf;
 	case EEP_PAPRD:
+		if (AR_SREV_9462(ah))
+			return false;
+		if (!ah->config.enable_paprd);
+			return false;
 		return !!(pBase->featureEnable & BIT(5));
 	case EEP_CHAIN_MASK_REDUCE:
 		return (pBase->miscConfiguration >> 0x3) & 0x1;

drivers/net/wireless/ath/ath9k/debug.c

···
 			    sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
 	debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
 			    sc->debug.debugfs_phy, sc, &fops_disable_ani);
+	debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+			    &sc->sc_ah->config.enable_paprd);
 	debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
 			    sc, &fops_regidx);
 	debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,

drivers/net/wireless/ath/ath9k/hw.c

···
 		pCap->rx_status_len = sizeof(struct ar9003_rxs);
 		pCap->tx_desc_len = sizeof(struct ar9003_txc);
 		pCap->txs_len = sizeof(struct ar9003_txs);
-		if (!ah->config.paprd_disable &&
-		    ah->eep_ops->get_eeprom(ah, EEP_PAPRD) &&
-		    !AR_SREV_9462(ah))
-			pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;
 	} else {
 		pCap->tx_desc_len = sizeof(struct ath_desc);
 		if (AR_SREV_9280_20(ah))

drivers/net/wireless/ath/ath9k/hw.h

···
 	ATH9K_HW_CAP_LDPC			= BIT(6),
 	ATH9K_HW_CAP_FASTCLOCK			= BIT(7),
 	ATH9K_HW_CAP_SGI_20			= BIT(8),
-	ATH9K_HW_CAP_PAPRD			= BIT(9),
 	ATH9K_HW_CAP_ANT_DIV_COMB		= BIT(10),
 	ATH9K_HW_CAP_2GHZ			= BIT(11),
 	ATH9K_HW_CAP_5GHZ			= BIT(12),
···
 	u8 pcie_clock_req;
 	u32 pcie_waen;
 	u8 analog_shiftreg;
-	u8 paprd_disable;
 	u32 ofdm_trig_low;
 	u32 ofdm_trig_high;
 	u32 cck_trig_high;
 	u32 cck_trig_low;
 	u32 enable_ani;
+	u32 enable_paprd;
 	int serialize_regmode;
 	bool rx_intr_mitigation;
 	bool tx_intr_mitigation;

drivers/net/wireless/ath/ath9k/link.c

···
 		cal_interval = min(cal_interval, (u32)short_cal_interval);
 
 	mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
-	if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
+	if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD) && ah->caldata) {
 		if (!ah->caldata->paprd_done)
 			ieee80211_queue_work(sc->hw, &sc->paprd_work);
 		else if (!ah->paprd_table_write_done)

drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c

···
 
 		oobirq_entry = kzalloc(sizeof(struct brcmf_sdio_oobirq),
 				       GFP_KERNEL);
+		if (!oobirq_entry)
+			return -ENOMEM;
 		oobirq_entry->irq = res->start;
 		oobirq_entry->flags = res->flags & IRQF_TRIGGER_MASK;
 		list_add_tail(&oobirq_entry->list, &oobirq_lh);

drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c

···
 {
 	char iovbuf[32];
 	int retcode;
+	__le32 arp_mode_le;
 
-	brcmf_c_mkiovar("arp_ol", (char *)&arp_mode, 4, iovbuf, sizeof(iovbuf));
+	arp_mode_le = cpu_to_le32(arp_mode);
+	brcmf_c_mkiovar("arp_ol", (char *)&arp_mode_le, 4, iovbuf,
+			sizeof(iovbuf));
 	retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
 				   iovbuf, sizeof(iovbuf));
 	retcode = retcode >= 0 ? 0 : retcode;
···
 {
 	char iovbuf[32];
 	int retcode;
+	__le32 arp_enable_le;
 
-	brcmf_c_mkiovar("arpoe", (char *)&arp_enable, 4,
+	arp_enable_le = cpu_to_le32(arp_enable);
+
+	brcmf_c_mkiovar("arpoe", (char *)&arp_enable_le, 4,
 			iovbuf, sizeof(iovbuf));
 	retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR,
 				   iovbuf, sizeof(iovbuf));
···
 	char iovbuf[BRCMF_EVENTING_MASK_LEN + 12];	/*  Room for
 				 "event_msgs" + '\0' + bitvec  */
 	char buf[128], *ptr;
-	u32 roaming = 1;
-	uint bcn_timeout = 3;
-	int scan_assoc_time = 40;
-	int scan_unassoc_time = 40;
+	__le32 roaming_le = cpu_to_le32(1);
+	__le32 bcn_timeout_le = cpu_to_le32(3);
+	__le32 scan_assoc_time_le = cpu_to_le32(40);
+	__le32 scan_unassoc_time_le = cpu_to_le32(40);
 	int i;
 	struct brcmf_bus_dcmd *cmdlst;
 	struct list_head *cur, *q;
···
 
 	/* Setup timeout if Beacons are lost and roam is off to report
 		 link down */
-	brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf,
+	brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_timeout_le, 4, iovbuf,
 		    sizeof(iovbuf));
 	brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
 				  sizeof(iovbuf));
 
 	/* Enable/Disable build-in roaming to allowed ext supplicant to take
 		 of romaing */
-	brcmf_c_mkiovar("roam_off", (char *)&roaming, 4,
+	brcmf_c_mkiovar("roam_off", (char *)&roaming_le, 4,
 		      iovbuf, sizeof(iovbuf));
 	brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf,
 				  sizeof(iovbuf));
···
 				  sizeof(iovbuf));
 
 	brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_CHANNEL_TIME,
-			 (char *)&scan_assoc_time, sizeof(scan_assoc_time));
+		 (char *)&scan_assoc_time_le, sizeof(scan_assoc_time_le));
 	brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_UNASSOC_TIME,
-			 (char *)&scan_unassoc_time, sizeof(scan_unassoc_time));
+		 (char *)&scan_unassoc_time_le, sizeof(scan_unassoc_time_le));
 
 	/* Set and enable ARP offload feature */
 	brcmf_c_arp_offload_set(drvr, BRCMF_ARPOL_MODE);

drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c

···
 	params_le->active_time = cpu_to_le32(-1);
 	params_le->passive_time = cpu_to_le32(-1);
 	params_le->home_time = cpu_to_le32(-1);
-	if (ssid && ssid->SSID_len)
-		memcpy(&params_le->ssid_le, ssid, sizeof(struct brcmf_ssid));
+	if (ssid && ssid->SSID_len) {
+		params_le->ssid_le.SSID_len = cpu_to_le32(ssid->SSID_len);
+		memcpy(&params_le->ssid_le.SSID, ssid->SSID, ssid->SSID_len);
+	}
 }
 
 static s32

drivers/net/wireless/brcm80211/brcmsmac/channel.c

···
 					 NL80211_RRF_NO_IBSS)
 
 static const struct ieee80211_regdomain brcms_regdom_x2 = {
-	.n_reg_rules = 7,
+	.n_reg_rules = 6,
 	.alpha2 = "X2",
 	.reg_rules = {
 		BRCM_2GHZ_2412_2462,

drivers/net/wireless/iwlwifi/pcie/trans.c

···
 	return err;
 
 err_free_irq:
+	trans_pcie->irq_requested = false;
 	free_irq(trans_pcie->irq, trans);
 error:
 	iwl_free_isr_ict(trans);

drivers/net/wireless/rtlwifi/rtl8192ce/def.h

···
 
 #define CHIP_VER_B			BIT(4)
 #define CHIP_92C_BITMASK		BIT(0)
+#define CHIP_UNKNOWN			BIT(7)
 #define CHIP_92C_1T2R			0x03
 #define CHIP_92C			0x01
 #define CHIP_88C			0x00

drivers/net/wireless/rtlwifi/rtl8192ce/hw.c

···
 		version = (value32 & TYPE_ID) ? VERSION_A_CHIP_92C :
 			   VERSION_A_CHIP_88C;
 	} else {
-		version = (value32 & TYPE_ID) ? VERSION_B_CHIP_92C :
-			   VERSION_B_CHIP_88C;
+		version = (enum version_8192c) (CHIP_VER_B |
+				((value32 & TYPE_ID) ? CHIP_92C_BITMASK : 0) |
+				((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0));
+		if ((!IS_CHIP_VENDOR_UMC(version)) && (value32 &
+		     CHIP_VER_RTL_MASK)) {
+			version = (enum version_8192c)(version |
+				   ((((value32 & CHIP_VER_RTL_MASK) == BIT(12))
+				   ? CHIP_VENDOR_UMC_B_CUT : CHIP_UNKNOWN) |
+				   CHIP_VENDOR_UMC));
+		}
 	}
 
 	switch (version) {

drivers/net/wireless/rtlwifi/rtl8192ce/sw.c

···
 
 	/* request fw */
 	if (IS_VENDOR_UMC_A_CUT(rtlhal->version) &&
-	    !IS_92C_SERIAL(rtlhal->version))
+	    !IS_92C_SERIAL(rtlhal->version)) {
 		rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cfwU.bin";
-	else if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version))
+	} else if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version)) {
 		rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cfwU_B.bin";
+		pr_info("****** This B_CUT device may not work with kernels 3.6 and earlier\n");
+	}
 
 	rtlpriv->max_fw_size = 0x4000;
 	pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);

drivers/pwm/pwm-tiecap.c

···
 		writel(period_cycles, pc->mmio_base + CAP3);
 	}
 
+	if (!test_bit(PWMF_ENABLED, &pwm->flags)) {
+		reg_val = readw(pc->mmio_base + ECCTL2);
+		/* Disable APWM mode to put APWM output Low */
+		reg_val &= ~ECCTL2_APWM_MODE;
+		writew(reg_val, pc->mmio_base + ECCTL2);
+	}
+
 	pm_runtime_put_sync(pc->chip.dev);
 	return 0;
 }

drivers/pwm/pwm-tiehrpwm.c

···
 	struct pwm_chip	chip;
 	unsigned int	clk_rate;
 	void __iomem	*mmio_base;
+	unsigned long period_cycles[NUM_PWM_CHANNEL];
 };
 
 static inline struct ehrpwm_pwm_chip *to_ehrpwm_pwm_chip(struct pwm_chip *chip)
···
 	unsigned long long c;
 	unsigned long period_cycles, duty_cycles;
 	unsigned short ps_divval, tb_divval;
+	int i;
 
 	if (period_ns < 0 || duty_ns < 0 || period_ns > NSEC_PER_SEC)
 		return -ERANGE;
···
 		do_div(c, NSEC_PER_SEC);
 		duty_cycles = (unsigned long)c;
 	}
+
+	/*
+	 * Period values should be same for multiple PWM channels as IP uses
+	 * same period register for multiple channels.
+	 */
+	for (i = 0; i < NUM_PWM_CHANNEL; i++) {
+		if (pc->period_cycles[i] &&
+				(pc->period_cycles[i] != period_cycles)) {
+			/*
+			 * Allow channel to reconfigure period if no other
+			 * channels being configured.
+			 */
+			if (i == pwm->hwpwm)
+				continue;
+
+			dev_err(chip->dev, "Period value conflicts with channel %d\n",
+					i);
+			return -EINVAL;
+		}
+	}
+
+	pc->period_cycles[pwm->hwpwm] = period_cycles;
 
 	/* Configure clock prescaler to support Low frequency PWM wave */
 	if (set_prescale_div(period_cycles/PERIOD_MAX, &ps_divval,
···
 
 static void ehrpwm_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
 {
+	struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip);
+
 	if (test_bit(PWMF_ENABLED, &pwm->flags)) {
 		dev_warn(chip->dev, "Removing PWM device without disabling\n");
 		pm_runtime_put_sync(chip->dev);
 	}
+
+	/* set period value to zero on free */
+	pc->period_cycles[pwm->hwpwm] = 0;
 }
 
 static const struct pwm_ops ehrpwm_pwm_ops = {

drivers/regulator/tps65217-regulator.c

···
 #include <linux/err.h>
 #include <linux/platform_device.h>
 
+#include <linux/regulator/of_regulator.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
 #include <linux/mfd/tps65217.h>
···
 			   NULL),
 };
 
+#ifdef CONFIG_OF
+static struct of_regulator_match reg_matches[] = {
+	{ .name = "dcdc1", .driver_data = (void *)TPS65217_DCDC_1 },
+	{ .name = "dcdc2", .driver_data = (void *)TPS65217_DCDC_2 },
+	{ .name = "dcdc3", .driver_data = (void *)TPS65217_DCDC_3 },
+	{ .name = "ldo1", .driver_data = (void *)TPS65217_LDO_1 },
+	{ .name = "ldo2", .driver_data = (void *)TPS65217_LDO_2 },
+	{ .name = "ldo3", .driver_data = (void *)TPS65217_LDO_3 },
+	{ .name = "ldo4", .driver_data = (void *)TPS65217_LDO_4 },
+};
+
+static struct tps65217_board *tps65217_parse_dt(struct platform_device *pdev)
+{
+	struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
+	struct device_node *node = tps->dev->of_node;
+	struct tps65217_board *pdata;
+	struct device_node *regs;
+	int i, count;
+
+	regs = of_find_node_by_name(node, "regulators");
+	if (!regs)
+		return NULL;
+
+	count = of_regulator_match(pdev->dev.parent, regs,
+				reg_matches, TPS65217_NUM_REGULATOR);
+	of_node_put(regs);
+	if ((count < 0) || (count > TPS65217_NUM_REGULATOR))
+		return NULL;
+
+	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata)
+		return NULL;
+
+	for (i = 0; i < count; i++) {
+		if (!reg_matches[i].init_data || !reg_matches[i].of_node)
+			continue;
+
+		pdata->tps65217_init_data[i] = reg_matches[i].init_data;
+		pdata->of_node[i] = reg_matches[i].of_node;
+	}
+
+	return pdata;
+}
+#else
+static struct tps65217_board *tps65217_parse_dt(struct platform_device *pdev)
+{
+	return NULL;
+}
+#endif
+
 static int __devinit tps65217_regulator_probe(struct platform_device *pdev)
 {
+	struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);
+	struct tps65217_board *pdata = dev_get_platdata(tps->dev);
+	struct regulator_init_data *reg_data;
 	struct regulator_dev *rdev;
-	struct tps65217 *tps;
-	struct tps_info *info = &tps65217_pmic_regs[pdev->id];
 	struct regulator_config config = { };
+	int i, ret;
 
-	/* Already set by core driver */
-	tps = dev_to_tps65217(pdev->dev.parent);
-	tps->info[pdev->id] = info;
+	if (tps->dev->of_node)
+		pdata = tps65217_parse_dt(pdev);
 
-	config.dev = &pdev->dev;
-	config.of_node = pdev->dev.of_node;
-	config.init_data = pdev->dev.platform_data;
-	config.driver_data = tps;
+	if (!pdata) {
+		dev_err(&pdev->dev, "Platform data not found\n");
+		return -EINVAL;
+	}
 
-	rdev = regulator_register(&regulators[pdev->id], &config);
-	if (IS_ERR(rdev))
-		return PTR_ERR(rdev);
+	if (tps65217_chip_id(tps) != TPS65217) {
+		dev_err(&pdev->dev, "Invalid tps chip version\n");
+		return -ENODEV;
+	}
 
-	platform_set_drvdata(pdev, rdev);
+	platform_set_drvdata(pdev, tps);
 
+	for (i = 0; i < TPS65217_NUM_REGULATOR; i++) {
+
+		reg_data = pdata->tps65217_init_data[i];
+
+		/*
+		 * Regulator API handles empty constraints but not NULL
+		 * constraints
+		 */
+		if (!reg_data)
+			continue;
+
+		/* Register the regulators */
+		tps->info[i] = &tps65217_pmic_regs[i];
+
+		config.dev = tps->dev;
+		config.init_data = reg_data;
+		config.driver_data = tps;
+		config.regmap = tps->regmap;
+		if (tps->dev->of_node)
+			config.of_node = pdata->of_node[i];
+
+		rdev = regulator_register(&regulators[i], &config);
+		if (IS_ERR(rdev)) {
+			dev_err(tps->dev, "failed to register %s regulator\n",
+				pdev->name);
+			ret = PTR_ERR(rdev);
+			goto err_unregister_regulator;
+		}
+
+		/* Save regulator for cleanup */
+		tps->rdev[i] = rdev;
+	}
 	return 0;
+
+err_unregister_regulator:
+	while (--i >= 0)
+		regulator_unregister(tps->rdev[i]);
+
+	return ret;
 }
 
 static int __devexit tps65217_regulator_remove(struct platform_device *pdev)
 {
-	struct regulator_dev *rdev = platform_get_drvdata(pdev);
+	struct tps65217 *tps = platform_get_drvdata(pdev);
+	unsigned int i;
+
+	for (i = 0; i < TPS65217_NUM_REGULATOR; i++)
+		regulator_unregister(tps->rdev[i]);
 
 	platform_set_drvdata(pdev, NULL);
-	regulator_unregister(rdev);
 
 	return 0;
 }

drivers/rpmsg/virtio_rpmsg_bus.c

···
 	return 0;
 
 free_coherent:
-	dma_free_coherent(vdev->dev.parent, RPMSG_TOTAL_BUF_SPACE, bufs_va,
-					vrp->bufs_dma);
+	dma_free_coherent(vdev->dev.parent->parent, RPMSG_TOTAL_BUF_SPACE,
+					bufs_va, vrp->bufs_dma);
 vqs_del:
 	vdev->config->del_vqs(vrp->vdev);
 free_vrp:
···
 
 	vdev->config->del_vqs(vrp->vdev);
 
-	dma_free_coherent(vdev->dev.parent, RPMSG_TOTAL_BUF_SPACE,
+	dma_free_coherent(vdev->dev.parent->parent, RPMSG_TOTAL_BUF_SPACE,
 					vrp->rbufs, vrp->bufs_dma);
 
 	kfree(vrp);

drivers/rtc/rtc-twl.c

···
 	if (ret < 0)
 		goto out1;
 
+	/* ensure interrupts are disabled, bootloaders can be strange */
+	ret = twl_rtc_write_u8(0, REG_RTC_INTERRUPTS_REG);
+	if (ret < 0)
+		dev_warn(&pdev->dev, "unable to disable interrupt\n");
+
 	/* init cached IRQ enable bits */
 	ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
 	if (ret < 0)

drivers/s390/block/dasd.c

···
 	if (rc)
 		device->target = device->state;
 
-	if (device->state == device->target)
-		wake_up(&dasd_init_waitq);
-
 	/* let user-space know that the device status changed */
 	kobject_uevent(&device->cdev->dev.kobj, KOBJ_CHANGE);
+
+	if (device->state == device->target)
+		wake_up(&dasd_init_waitq);
 }
 
 /*
···
 		    test_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags) &&
 		    (!dasd_eer_enabled(device))) {
 			cqr->status = DASD_CQR_FAILED;
+			cqr->intrc = -EAGAIN;
 			continue;
 		}
 		/* Don't try to start requests if device is stopped */
···
 			dasd_schedule_device_bh(device);
 		}
 		if (path_event[chp] & PE_PATHGROUP_ESTABLISHED) {
+			if (!(device->path_data.opm & eventlpm) &&
+			    !(device->path_data.tbvpm & eventlpm)) {
+				/*
+				 * we can not establish a pathgroup on an
+				 * unavailable path, so trigger a path
+				 * verification first
+				 */
+				device->path_data.tbvpm |= eventlpm;
+				dasd_schedule_device_bh(device);
+			}
 			DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 				      "Pathgroup re-established\n");
 			if (device->discipline->kick_validate)

drivers/s390/block/dasd_alias.c

···
 		group->next = NULL;
 };
 
+static int
+suborder_not_supported(struct dasd_ccw_req *cqr)
+{
+	char *sense;
+	char reason;
+	char msg_format;
+	char msg_no;
+
+	sense = dasd_get_sense(&cqr->irb);
+	if (!sense)
+		return 0;
+
+	reason = sense[0];
+	msg_format = (sense[7] & 0xF0);
+	msg_no = (sense[7] & 0x0F);
+
+	/* command reject, Format 0 MSG 4 - invalid parameter */
+	if ((reason == 0x80) && (msg_format == 0x00) && (msg_no == 0x04))
+		return 1;
+
+	return 0;
+}
+
 static int read_unit_address_configuration(struct dasd_device *device,
 					   struct alias_lcu *lcu)
 {
···
 
 	do {
 		rc = dasd_sleep_on(cqr);
+		if (rc && suborder_not_supported(cqr))
+			return -EOPNOTSUPP;
 	} while (rc && (cqr->retries > 0));
 	if (rc) {
 		spin_lock_irqsave(&lcu->lock, flags);
···
 	 * processing the data
 	 */
 	spin_lock_irqsave(&lcu->lock, flags);
-	if (rc || (lcu->flags & NEED_UAC_UPDATE)) {
+	if ((rc && (rc != -EOPNOTSUPP)) || (lcu->flags & NEED_UAC_UPDATE)) {
 		DBF_DEV_EVENT(DBF_WARNING, device, "could not update"
 			    " alias data in lcu (rc = %d), retry later", rc);
 		schedule_delayed_work(&lcu->ruac_data.dwork, 30*HZ);

drivers/s390/block/dasd_eckd.c

···
  * call might change behaviour of DASD devices.
  */
 static int
-dasd_eckd_psf_ssc(struct dasd_device *device, int enable_pav)
+dasd_eckd_psf_ssc(struct dasd_device *device, int enable_pav,
+		  unsigned long flags)
 {
 	struct dasd_ccw_req *cqr;
 	int rc;
···
 	if (IS_ERR(cqr))
 		return PTR_ERR(cqr);
 
+	/*
+	 * set flags e.g. turn on failfast, to prevent blocking
+	 * the calling function should handle failed requests
+	 */
+	cqr->flags |= flags;
+
 	rc = dasd_sleep_on(cqr);
 	if (!rc)
 		/* trigger CIO to reprobe devices */
 		css_schedule_reprobe();
+	else if (cqr->intrc == -EAGAIN)
+		rc = -EAGAIN;
+
 	dasd_sfree_request(cqr, cqr->memdev);
 	return rc;
 }
···
 /*
  * Valide storage server of current device.
  */
-static void dasd_eckd_validate_server(struct dasd_device *device)
+static int dasd_eckd_validate_server(struct dasd_device *device,
+				     unsigned long flags)
 {
 	int rc;
 	struct dasd_eckd_private *private;
···
 	private = (struct dasd_eckd_private *) device->private;
 	if (private->uid.type == UA_BASE_PAV_ALIAS ||
 	    private->uid.type == UA_HYPER_PAV_ALIAS)
-		return;
+		return 0;
 	if (dasd_nopav || MACHINE_IS_VM)
 		enable_pav = 0;
 	else
 		enable_pav = 1;
-	rc = dasd_eckd_psf_ssc(device, enable_pav);
+	rc = dasd_eckd_psf_ssc(device, enable_pav, flags);
 
 	/* may be requested feature is not available on server,
 	 * therefore just report error and go ahead */
 	DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "PSF-SSC for SSID %04x "
 			"returned rc=%d", private->uid.ssid, rc);
+	return rc;
 }
 
 /*
···
 {
 	struct dasd_device *device = container_of(work, struct dasd_device,
 						  kick_validate);
-	dasd_eckd_validate_server(device);
+	if (dasd_eckd_validate_server(device, DASD_CQR_FLAGS_FAILFAST)
+	    == -EAGAIN) {
+		/* schedule worker again if failed */
+		schedule_work(&device->kick_validate);
+		return;
+	}
+
 	dasd_put_device(device);
 }
 
···
 	if (rc)
 		goto out_err2;
 
-	dasd_eckd_validate_server(device);
+	dasd_eckd_validate_server(device, 0);
 
 	/* device may report different configuration data after LCU setup */
 	rc = dasd_eckd_read_conf(device);
···
 	rc = dasd_alias_make_device_known_to_lcu(device);
 	if (rc)
 		return rc;
-	dasd_eckd_validate_server(device);
+	dasd_eckd_validate_server(device, DASD_CQR_FLAGS_FAILFAST);
 
 	/* RE-Read Configuration Data */
 	rc = dasd_eckd_read_conf(device);

drivers/s390/cio/device.c

···
 		return IO_SCH_REPROBE;
 	if (cdev->online)
 		return IO_SCH_VERIFY;
+	if (cdev->private->state == DEV_STATE_NOT_OPER)
+		return IO_SCH_UNREG_ATTACH;
 	return IO_SCH_NOP;
 }
 
···
 			goto out;
 		break;
 	case IO_SCH_UNREG_ATTACH:
+		spin_lock_irqsave(sch->lock, flags);
 		if (cdev->private->flags.resuming) {
 			/* Device will be handled later. */
 			rc = 0;
-			goto out;
+			goto out_unlock;
 		}
+		sch_set_cdev(sch, NULL);
+		spin_unlock_irqrestore(sch->lock, flags);
 		/* Unregister ccw device. */
 		ccw_device_unregister(cdev);
 		break;

drivers/scsi/bnx2i/bnx2i_hwi.c

···
 	int rc = 0;
 	u64 mask64;
 
+	memset(&iscsi_init, 0x00, sizeof(struct iscsi_kwqe_init1));
+	memset(&iscsi_init2, 0x00, sizeof(struct iscsi_kwqe_init2));
+
 	bnx2i_adjust_qp_size(hba);
 
 	iscsi_init.flags =

drivers/scsi/hpsa.c

···
 	}
 		break;
 	case CMD_PROTOCOL_ERR:
+		cmd->result = DID_ERROR << 16;
 		dev_warn(&h->pdev->dev, "cp %p has "
-			"protocol error \n", cp);
+			"protocol error\n", cp);
 		break;
 	case CMD_HARDWARE_ERR:
 		cmd->result = DID_ERROR << 16;

drivers/scsi/mpt2sas/mpt2sas_base.c

···
 	u16 message_control;
 
 
+	/* Check whether controller SAS2008 B0 controller,
+	   if it is SAS2008 B0 controller use IO-APIC instead of MSIX */
+	if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 &&
+	    ioc->pdev->revision == 0x01) {
+		return -EINVAL;
+	}
+
 	base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
 	if (!base) {
 		dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not "

drivers/scsi/virtio_scsi.c

···
 	int i;
 
 	for_each_sg(table->sgl, sg_elem, table->nents, i)
-		sg_set_buf(&sg[idx++], sg_virt(sg_elem), sg_elem->length);
+		sg[idx++] = *sg_elem;
 
 	*p_idx = idx;
 }

drivers/sh/intc/core.c

···
 			if (unlikely(res)) {
 				if (res == -EEXIST) {
 					res = irq_domain_associate(d->domain,
-								   irq, irq);
+								   irq2, irq2);
 					if (unlikely(res)) {
 						pr_err("domain association "
 						       "failure\n");

drivers/sh/pfc/pinctrl.c

···
 
 		break;
 	case PINMUX_TYPE_GPIO:
+	case PINMUX_TYPE_INPUT:
+	case PINMUX_TYPE_OUTPUT:
 		break;
 	default:
 		pr_err("Unsupported mux type (%d), bailing...\n", pinmux_type);
-		return -ENOTSUPP;
+		ret = -ENOTSUPP;
+		goto err;
 	}
 
 	ret = 0;

drivers/staging/nvec/nvec.c

···
 	}
 
 	ret = mfd_add_devices(nvec->dev, -1, nvec_devices,
-			      ARRAY_SIZE(nvec_devices), base, 0);
+			      ARRAY_SIZE(nvec_devices), base, 0, NULL);
 	if (ret)
 		dev_err(nvec->dev, "error adding subdevices\n");
 

drivers/target/iscsi/iscsi_target_login.c

···
 {
 	struct iscsi_session *sess = NULL;
 	struct iscsi_login_req *pdu = (struct iscsi_login_req *)buf;
+	int ret;
 
 	sess = kzalloc(sizeof(struct iscsi_session), GFP_KERNEL);
 	if (!sess) {
···
 		return -ENOMEM;
 	}
 	spin_lock(&sess_idr_lock);
-	idr_get_new(&sess_idr, NULL, &sess->session_index);
+	ret = idr_get_new(&sess_idr, NULL, &sess->session_index);
 	spin_unlock(&sess_idr_lock);
+
+	if (ret < 0) {
+		pr_err("idr_get_new() for sess_idr failed\n");
+		iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
+				ISCSI_LOGIN_STATUS_NO_RESOURCES);
+		kfree(sess);
+		return -ENOMEM;
+	}
 
 	sess->creation_time = get_jiffies_64();
 	spin_lock_init(&sess->session_stats_lock);

drivers/target/target_core_alua.c

···
 		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 		return -EINVAL;
 	}
+	if (cmd->data_length < 4) {
+		pr_warn("SET TARGET PORT GROUPS parameter list length %u too"
+			" small\n", cmd->data_length);
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		return -EINVAL;
+	}
+
 	buf = transport_kmap_data_sg(cmd);
 
 	/*

drivers/target/target_core_device.c

···
 	unsigned char *buf;
 	u32 lun_count = 0, offset = 8, i;
 
+	if (se_cmd->data_length < 16) {
+		pr_warn("REPORT LUNS allocation length %u too small\n",
+			se_cmd->data_length);
+		se_cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD;
+		return -EINVAL;
+	}
+
 	buf = transport_kmap_data_sg(se_cmd);
 	if (!buf)
 		return -ENOMEM;

drivers/target/target_core_iblock.c

···
 	struct iblock_dev *ibd = dev->dev_ptr;
 	unsigned char *buf, *ptr = NULL;
 	sector_t lba;
-	int size = cmd->data_length;
+	int size;
 	u32 range;
 	int ret = 0;
 	int dl, bd_dl;
+
+	if (cmd->data_length < 8) {
+		pr_warn("UNMAP parameter list length %u too small\n",
+			cmd->data_length);
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		return -EINVAL;
+	}
 
 	buf = transport_kmap_data_sg(cmd);
 
 	dl = get_unaligned_be16(&buf[0]);
 	bd_dl = get_unaligned_be16(&buf[2]);
 
-	size = min(size - 8, bd_dl);
+	size = cmd->data_length - 8;
+	if (bd_dl > size)
+		pr_warn("UNMAP parameter list length %u too small, ignoring bd_dl %u\n",
+			cmd->data_length, bd_dl);
+	else
+		size = bd_dl;
+
 	if (size / 16 > dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
 		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
 		ret = -EINVAL;

drivers/target/target_core_pr.c

···
 	tidh_new->dest_local_nexus = 1;
 	list_add_tail(&tidh_new->dest_list, &tid_dest_list);
 
+	if (cmd->data_length < 28) {
+		pr_warn("SPC-PR: Received PR OUT parameter list"
+			" length too small: %u\n", cmd->data_length);
+		cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
+		ret = -EINVAL;
+		goto out;
+	}
+
 	buf = transport_kmap_data_sg(cmd);
 	/*
 	 * For a PERSISTENT RESERVE OUT specify initiator ports payload,

drivers/target/target_core_pscsi.c

···
 	kfree(pdv);
 }
 
-static int pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg)
+static void pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg,
+				     unsigned char *sense_buffer)
 {
 	struct pscsi_dev_virt *pdv = cmd->se_dev->dev_ptr;
 	struct scsi_device *sd = pdv->pdv_sd;
···
 	 * not been allocated because TCM is handling the emulation directly.
 	 */
 	if (!pt)
-		return 0;
+		return;
 
 	cdb = &pt->pscsi_cdb[0];
 	result = pt->pscsi_result;
···
 	 * Hack to make sure that Write-Protect modepage is set if R/O mode is
 	 * forced.
 	 */
+	if (!cmd->se_deve || !cmd->data_length)
+		goto after_mode_sense;
+
 	if (((cdb[0] == MODE_SENSE) || (cdb[0] == MODE_SENSE_10)) &&
 	     (status_byte(result) << 1) == SAM_STAT_GOOD) {
-		if (!cmd->se_deve)
-			goto after_mode_sense;
-
 		if (cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) {
 			unsigned char *buf = transport_kmap_data_sg(cmd);
 
···
 	}
 after_mode_sense:
 
-	if (sd->type != TYPE_TAPE)
+	if (sd->type != TYPE_TAPE || !cmd->data_length)
 		goto after_mode_select;
 
 	/*
···
 	}
 after_mode_select:
 
-	if (status_byte(result) & CHECK_CONDITION)
-		return 1;
-
-	return 0;
+	if (sense_buffer && (status_byte(result) & CHECK_CONDITION)) {
+		memcpy(sense_buffer, pt->pscsi_sense, TRANSPORT_SENSE_BUFFER);
+		cmd->se_cmd_flags |= SCF_TRANSPORT_TASK_SENSE;
+	}
 }
 
 enum {
···
 	return -ENOMEM;
 }
 
-static unsigned char *pscsi_get_sense_buffer(struct se_cmd *cmd)
-{
-	struct pscsi_plugin_task *pt = cmd->priv;
-
-	return pt->pscsi_sense;
-}
-
 /*	pscsi_get_device_rev():
  *
  *
···
 	.check_configfs_dev_params = pscsi_check_configfs_dev_params,
 	.set_configfs_dev_params = pscsi_set_configfs_dev_params,
 	.show_configfs_dev_params = pscsi_show_configfs_dev_params,
-	.get_sense_buffer	= pscsi_get_sense_buffer,
 	.get_device_rev		= pscsi_get_device_rev,
 	.get_device_type	= pscsi_get_device_type,
 	.get_blocks		= pscsi_get_blocks,

drivers/target/target_core_spc.c

···
 static int spc_emulate_request_sense(struct se_cmd *cmd)
 {
 	unsigned char *cdb = cmd->t_task_cdb;
-	unsigned char *buf;
+	unsigned char *rbuf;
 	u8 ua_asc = 0, ua_ascq = 0;
-	int err = 0;
+	unsigned char buf[SE_SENSE_BUF];
+
+	memset(buf, 0, SE_SENSE_BUF);
 
 	if (cdb[1] & 0x01) {
 		pr_err("REQUEST_SENSE description emulation not"
···
 		return -ENOSYS;
 	}
 
-	buf = transport_kmap_data_sg(cmd);
-
-	if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) {
+	rbuf = transport_kmap_data_sg(cmd);
+	if (cmd->scsi_sense_reason != 0) {
+		/*
+		 * Out of memory.  We will fail with CHECK CONDITION, so
+		 * we must not clear the unit attention condition.
+		 */
+		target_complete_cmd(cmd, CHECK_CONDITION);
+		return 0;
+	} else if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) {
 		/*
 		 * CURRENT ERROR, UNIT ATTENTION
 		 */
 		buf[0] = 0x70;
 		buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
 
-		if (cmd->data_length < 18) {
-			buf[7] = 0x00;
-			err = -EINVAL;
-			goto end;
-		}
 		/*
 		 * The Additional Sense Code (ASC) from the UNIT ATTENTION
 		 */
···
 		buf[0] = 0x70;
 		buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE;
 
-		if (cmd->data_length < 18) {
-			buf[7] = 0x00;
-			err = -EINVAL;
-			goto end;
-		}
 		/*
 		 * NO ADDITIONAL SENSE INFORMATION
 		 */
···
 		buf[7] = 0x0A;
 	}
 
-end:
-	transport_kunmap_data_sg(cmd);
+	if (rbuf) {
+		memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+		transport_kunmap_data_sg(cmd);
+	}
+
 	target_complete_cmd(cmd, GOOD);
 	return 0;
 }

drivers/target/target_core_transport.c

···
 	transport_generic_request_failure(cmd);
 }
 
+/*
+ * Used when asking transport to copy Sense Data from the underlying
+ * Linux/SCSI struct scsi_cmnd
+ */
+static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd)
+{
+	unsigned char *buffer = cmd->sense_buffer;
+	struct se_device *dev = cmd->se_dev;
+	u32 offset = 0;
+
+	WARN_ON(!cmd->se_lun);
+
+	if (!dev)
+		return NULL;
+
+	if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION)
+		return NULL;
+
+	offset = cmd->se_tfo->set_fabric_sense_len(cmd, TRANSPORT_SENSE_BUFFER);
+
+	/* Automatically padded */
+	cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset;
+
+	pr_debug("HBA_[%u]_PLUG[%s]: Requesting sense for SAM STATUS: 0x%02x\n",
+		dev->se_hba->hba_id, dev->transport->name, cmd->scsi_status);
+	return &buffer[offset];
+}
+
 void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status)
 {
 	struct se_device *dev = cmd->se_dev;
···
 	cmd->transport_state &= ~CMD_T_BUSY;
 
 	if (dev && dev->transport->transport_complete) {
-		if (dev->transport->transport_complete(cmd,
-				cmd->t_data_sg) != 0) {
-			cmd->se_cmd_flags |= SCF_TRANSPORT_TASK_SENSE;
+		dev->transport->transport_complete(cmd,
+				cmd->t_data_sg,
+				transport_get_sense_buffer(cmd));
+		if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE)
 			success = 1;
-		}
 	}
 
 	/*
···
 			/* Returns CHECK_CONDITION + INVALID_CDB_FIELD */
 			goto out_invalid_cdb_field;
 		}
-
+		/*
+		 * For the overflow case keep the existing fabric provided
+		 * ->data_length.  Otherwise for the underflow case, reset
+		 * ->data_length to the smaller SCSI expected data transfer
+		 * length.
+		 */
 		if (size > cmd->data_length) {
 			cmd->se_cmd_flags |= SCF_OVERFLOW_BIT;
 			cmd->residual_count = (size - cmd->data_length);
 		} else {
 			cmd->se_cmd_flags |= SCF_UNDERFLOW_BIT;
 			cmd->residual_count = (cmd->data_length - size);
+			cmd->data_length = size;
 		}
-		cmd->data_length = size;
 	}
 
 	return 0;
···
 EXPORT_SYMBOL(target_execute_cmd);
 
 /*
- * Used to obtain Sense Data from underlying Linux/SCSI struct scsi_cmnd
- */
-static int transport_get_sense_data(struct se_cmd *cmd)
-{
-	unsigned char *buffer = cmd->sense_buffer, *sense_buffer = NULL;
-	struct se_device *dev = cmd->se_dev;
-	unsigned long flags;
-	u32 offset = 0;
-
-	WARN_ON(!cmd->se_lun);
-
-	if (!dev)
-		return 0;
-
-	spin_lock_irqsave(&cmd->t_state_lock, flags);
-	if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) {
-		spin_unlock_irqrestore(&cmd->t_state_lock, flags);
-		return 0;
-	}
-
-	if (!(cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE))
-		goto out;
-
-	if (!dev->transport->get_sense_buffer) {
-		pr_err("dev->transport->get_sense_buffer is NULL\n");
-		goto out;
-	}
-
-	sense_buffer = dev->transport->get_sense_buffer(cmd);
-	if (!sense_buffer) {
-		pr_err("ITT 0x%08x cmd %p: Unable to locate"
-			" sense buffer for task with sense\n",
-			cmd->se_tfo->get_task_tag(cmd), cmd);
-		goto out;
-	}
-
-	spin_unlock_irqrestore(&cmd->t_state_lock, flags);
-
-	offset = cmd->se_tfo->set_fabric_sense_len(cmd, TRANSPORT_SENSE_BUFFER);
-
-	memcpy(&buffer[offset], sense_buffer, TRANSPORT_SENSE_BUFFER);
-
-	/* Automatically padded */
-	cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset;
-
-	pr_debug("HBA_[%u]_PLUG[%s]: Set SAM STATUS: 0x%02x and sense\n",
-		dev->se_hba->hba_id, dev->transport->name, cmd->scsi_status);
-	return 0;
-
-out:
-	spin_unlock_irqrestore(&cmd->t_state_lock, flags);
-	return -1;
-}
-
-/*
  * Process all commands up to the last received ORDERED task attribute which
  * requires another blocking boundary
  */
···
 static void target_complete_ok_work(struct work_struct *work)
 {
 	struct se_cmd *cmd = container_of(work, struct se_cmd, work);
-	int reason = 0, ret;
+	int ret;
 
 	/*
 	 * Check if we need to move delayed/dormant tasks from cmds on the
···
 		schedule_work(&cmd->se_dev->qf_work_queue);
 
 	/*
-	 * Check if we need to retrieve a sense buffer from
+	 * Check if we need to send a sense buffer from
 	 * the struct se_cmd in question.
 	 */
 	if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) {
-		if (transport_get_sense_data(cmd) < 0)
-			reason = TCM_NON_EXISTENT_LUN;
+		WARN_ON(!cmd->scsi_status);
+		ret = transport_send_check_condition_and_sense(
+					cmd, 0, 1);
+		if (ret == -EAGAIN || ret == -ENOMEM)
+			goto queue_full;
 
-		if (cmd->scsi_status) {
-			ret = transport_send_check_condition_and_sense(
-					cmd, reason, 1);
-			if (ret == -EAGAIN || ret == -ENOMEM)
-				goto queue_full;
-
-			transport_lun_remove_cmd(cmd);
-			transport_cmd_check_stop_to_fabric(cmd);
-			return;
-		}
+		transport_lun_remove_cmd(cmd);
+		transport_cmd_check_stop_to_fabric(cmd);
+		return;
 	}
 	/*
 	 * Check for a callback, used by amongst other things
···
 	struct page **pages;
 	int i;
 
-	BUG_ON(!sg);
 	/*
 	 * We need to take into account a possible offset here for fabrics like
 	 * tcm_loop who may be using a contig buffer from the SCSI midlayer for
···
 	 */
 	if (!cmd->t_data_nents)
 		return NULL;
-	else if (cmd->t_data_nents == 1)
+
+	BUG_ON(!sg);
+	if (cmd->t_data_nents == 1)
 		return kmap(sg_page(sg)) + sg->offset;
 
 	/* >1 page. use vmap */
 	pages = kmalloc(sizeof(*pages) * cmd->t_data_nents, GFP_KERNEL);
-	if (!pages)
+	if (!pages) {
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 		return NULL;
+	}
 
 	/* convert sg[] to pages[] */
 	for_each_sg(cmd->t_data_sg, sg, cmd->t_data_nents, i) {
···
 
 	cmd->t_data_vmap = vmap(pages, cmd->t_data_nents,  VM_MAP, PAGE_KERNEL);
 	kfree(pages);
-	if (!cmd->t_data_vmap)
+	if (!cmd->t_data_vmap) {
+		cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 		return NULL;
+	}
 
 	return cmd->t_data_vmap + cmd->t_data_sg[0].offset;
 }
···
 	 * into the fabric for data transfers, go ahead and complete it right
 	 * away.
 	 */
-	if (!cmd->data_length) {
+	if (!cmd->data_length &&
+	    cmd->t_task_cdb[0] != REQUEST_SENSE &&
+	    cmd->se_dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) {
 		spin_lock_irq(&cmd->t_state_lock);
 		cmd->t_state = TRANSPORT_COMPLETE;
 		cmd->transport_state |= CMD_T_ACTIVE;
 		spin_unlock_irq(&cmd->t_state_lock);
-
-		if (cmd->t_task_cdb[0] == REQUEST_SENSE) {
-			u8 ua_asc = 0, ua_ascq = 0;
-
-			core_scsi3_ua_clear_for_request_sense(cmd,
-					&ua_asc, &ua_ascq);
-		}
 
 		INIT_WORK(&cmd->work, target_complete_ok_work);
 		queue_work(target_completion_wq, &cmd->work);

drivers/usb/core/devices.c

···
 	/* print devices for all busses */
 	list_for_each_entry(bus, &usb_bus_list, bus_list) {
 		/* recurse through all children of the root hub */
-		if (!bus->root_hub)
+		if (!bus_to_hcd(bus)->rh_registered)
 			continue;
 		usb_lock_device(bus->root_hub);
 		ret = usb_device_dump(&buf, &nbytes, &skip_bytes, ppos,

drivers/usb/core/hcd.c

···
 	if (retval) {
 		dev_err (parent_dev, "can't register root hub for %s, %d\n",
 				dev_name(&usb_dev->dev), retval);
-	}
-	mutex_unlock(&usb_bus_list_lock);
-
-	if (retval == 0) {
+	} else {
 		spin_lock_irq (&hcd_root_hub_lock);
 		hcd->rh_registered = 1;
 		spin_unlock_irq (&hcd_root_hub_lock);
···
 		if (HCD_DEAD(hcd))
 			usb_hc_died (hcd);	/* This time clean up */
 	}
+	mutex_unlock(&usb_bus_list_lock);
 
 	return retval;
 }

drivers/usb/host/ohci-at91.c

···
 	/* From the GPIO notifying the over-current situation, find
 	 * out the corresponding port */
 	at91_for_each_port(port) {
-		if (gpio_to_irq(pdata->overcurrent_pin[port]) == irq) {
+		if (gpio_is_valid(pdata->overcurrent_pin[port]) &&
+				gpio_to_irq(pdata->overcurrent_pin[port]) == irq) {
 			gpio = pdata->overcurrent_pin[port];
 			break;
 		}

drivers/vfio/pci/vfio_pci_intrs.c

···
 			schedule_work(&virqfd->inject);
 	}
 
-	if (flags & POLLHUP)
-		/* The eventfd is closing, detach from VFIO */
-		virqfd_deactivate(virqfd);
+	if (flags & POLLHUP) {
+		unsigned long flags;
+		spin_lock_irqsave(&virqfd->vdev->irqlock, flags);
+
+		/*
+		 * The eventfd is closing, if the virqfd has not yet been
+		 * queued for release, as determined by testing whether the
+		 * vdev pointer to it is still valid, queue it now.  As
+		 * with kvm irqfds, we know we won't race against the virqfd
+		 * going away because we hold wqh->lock to get here.
+		 */
+		if (*(virqfd->pvirqfd) == virqfd) {
+			*(virqfd->pvirqfd) = NULL;
+			virqfd_deactivate(virqfd);
+		}
+
+		spin_unlock_irqrestore(&virqfd->vdev->irqlock, flags);
+	}
 
 	return 0;
 }
···
 static void virqfd_shutdown(struct work_struct *work)
 {
 	struct virqfd *virqfd = container_of(work, struct virqfd, shutdown);
-	struct virqfd **pvirqfd = virqfd->pvirqfd;
 	u64 cnt;
 
 	eventfd_ctx_remove_wait_queue(virqfd->eventfd, &virqfd->wait, &cnt);
···
 	eventfd_ctx_put(virqfd->eventfd);
 
 	kfree(virqfd);
-	*pvirqfd = NULL;
 }
 
 static void virqfd_inject(struct work_struct *work)
···
 	int ret = 0;
 	unsigned int events;
 
-	if (*pvirqfd)
-		return -EBUSY;
-
 	virqfd = kzalloc(sizeof(*virqfd), GFP_KERNEL);
 	if (!virqfd)
 		return -ENOMEM;
 
 	virqfd->pvirqfd = pvirqfd;
-	*pvirqfd = virqfd;
 	virqfd->vdev = vdev;
 	virqfd->handler = handler;
 	virqfd->thread = thread;
···
 	}
 
 	virqfd->eventfd = ctx;
+
+	/*
+	 * virqfds can be released by closing the eventfd or directly
+	 * through ioctl.  These are both done through a workqueue, so
+	 * we update the pointer to the virqfd under lock to avoid
+	 * pushing multiple jobs to release the same virqfd.
+	 */
+	spin_lock_irq(&vdev->irqlock);
+
+	if (*pvirqfd) {
+		spin_unlock_irq(&vdev->irqlock);
+		ret = -EBUSY;
+		goto fail;
+	}
+	*pvirqfd = virqfd;
+
+	spin_unlock_irq(&vdev->irqlock);
 
 	/*
 	 * Install our own custom wake-up handling so we are notified via
···
 		fput(file);
 
 	kfree(virqfd);
-	*pvirqfd = NULL;
 
 	return ret;
 }
 
-static void virqfd_disable(struct virqfd *virqfd)
+static void virqfd_disable(struct vfio_pci_device *vdev,
+			   struct virqfd **pvirqfd)
 {
-	if (!virqfd)
-		return;
+	unsigned long flags;
 
-	virqfd_deactivate(virqfd);
+	spin_lock_irqsave(&vdev->irqlock, flags);
 
-	/* Block until we know all outstanding shutdown jobs have completed. */
+	if (*pvirqfd) {
+		virqfd_deactivate(*pvirqfd);
+		*pvirqfd = NULL;
+	}
+
+	spin_unlock_irqrestore(&vdev->irqlock, flags);
+
+	/*
+	 * Block until we know all outstanding shutdown jobs have completed.
+	 * Even if we don't queue the job, flush the wq to be sure it's
+	 * been released.
+	 */
 	flush_workqueue(vfio_irqfd_cleanup_wq);
 }
 
···
 static void vfio_intx_disable(struct vfio_pci_device *vdev)
 {
 	vfio_intx_set_signal(vdev, -1);
-	virqfd_disable(vdev->ctx[0].unmask);
-	virqfd_disable(vdev->ctx[0].mask);
+	virqfd_disable(vdev, &vdev->ctx[0].unmask);
+	virqfd_disable(vdev, &vdev->ctx[0].mask);
 	vdev->irq_type = VFIO_PCI_NUM_IRQS;
 	vdev->num_ctx = 0;
 	kfree(vdev->ctx);
···
 	vfio_msi_set_block(vdev, 0, vdev->num_ctx, NULL, msix);
 
 	for (i = 0; i < vdev->num_ctx; i++) {
-		virqfd_disable(vdev->ctx[i].unmask);
-		virqfd_disable(vdev->ctx[i].mask);
+		virqfd_disable(vdev, &vdev->ctx[i].unmask);
+		virqfd_disable(vdev, &vdev->ctx[i].mask);
 	}
 
 	if (msix) {
···
 					     vfio_send_intx_eventfd, NULL,
 					     &vdev->ctx[0].unmask, fd);
 
-		virqfd_disable(vdev->ctx[0].unmask);
+		virqfd_disable(vdev, &vdev->ctx[0].unmask);
 	}
 
 	return 0;

drivers/watchdog/hpwdt.c

···
 	hpwdt_timer_reg = pci_mem_addr + 0x70;
 	hpwdt_timer_con = pci_mem_addr + 0x72;
 
+	/* Make sure that timer is disabled until /dev/watchdog is opened */
+	hpwdt_stop();
+
 	/* Make sure that we have a valid soft_margin */
 	if (hpwdt_change_timer(soft_margin))
 		hpwdt_change_timer(DEFAULT_MARGIN);

drivers/watchdog/watchdog_core.c

···
 void watchdog_unregister_device(struct watchdog_device *wdd)
 {
 	int ret;
-	int devno = wdd->cdev.dev;
+	int devno;
 
 	if (wdd == NULL)
 		return;
 
+	devno = wdd->cdev.dev;
 	ret = watchdog_dev_unregister(wdd);
 	if (ret)
 		pr_err("error unregistering /dev/watchdog (err=%d)\n", ret);

drivers/xen/gntdev.c

···
 		}
 	}
 
-	err = gnttab_unmap_refs(map->unmap_ops + offset, map->pages + offset,
-				pages, true);
+	err = gnttab_unmap_refs(map->unmap_ops + offset,
+			use_ptemod ? map->kmap_ops + offset : NULL, map->pages + offset,
+			pages);
 	if (err)
 		return err;
 

drivers/xen/grant-table.c

···
 EXPORT_SYMBOL_GPL(gnttab_map_refs);
 
 int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops,
-		      struct page **pages, unsigned int count, bool clear_pte)
+		      struct gnttab_map_grant_ref *kmap_ops,
+		      struct page **pages, unsigned int count)
 {
 	int i, ret;
 	bool lazy = false;
···
 	}
 
 	for (i = 0; i < count; i++) {
-		ret = m2p_remove_override(pages[i], clear_pte);
+		ret = m2p_remove_override(pages[i], kmap_ops ?
+				       &kmap_ops[i] : NULL);
 		if (ret)
 			return ret;
 	}

fs/btrfs/qgroup.c

···
 
 	if (srcid) {
 		srcgroup = find_qgroup_rb(fs_info, srcid);
-		if (!srcgroup) {
-			ret = -EINVAL;
+		if (!srcgroup)
 			goto unlock;
-		}
 		dstgroup->rfer = srcgroup->rfer - level_size;
 		dstgroup->rfer_cmpr = srcgroup->rfer_cmpr - level_size;
 		srcgroup->excl = level_size;
···
 		qgroup_dirty(fs_info, srcgroup);
 	}
 
-	if (!inherit) {
-		ret = -EINVAL;
+	if (!inherit)
 		goto unlock;
-	}
 
 	i_qgroups = (u64 *)(inherit + 1);
 	for (i = 0; i < inherit->num_qgroups; ++i) {

fs/cifs/cifs_unicode.c

···
 	}
 
 ctoUTF16_out:
-	return i;
+	return j;
 }
 
 #ifdef CONFIG_CIFS_SMB2

fs/dcache.c

···
 	 * Inform try_to_ascend() that we are no longer attached to the
 	 * dentry tree
 	 */
-	dentry->d_flags |= DCACHE_DISCONNECTED;
+	dentry->d_flags |= DCACHE_DENTRY_KILLED;
 	if (parent)
 		spin_unlock(&parent->d_lock);
 	dentry_iput(dentry);
···
 	 * or deletion
 	 */
 	if (new != old->d_parent ||
-		 (old->d_flags & DCACHE_DISCONNECTED) ||
+		 (old->d_flags & DCACHE_DENTRY_KILLED) ||
 		 (!locked && read_seqretry(&rename_lock, seq))) {
 		spin_unlock(&new->d_lock);
 		new = NULL;
···
 EXPORT_SYMBOL(have_submounts);
 
 /*
- * Search the dentry child list for the specified parent,
+ * Search the dentry child list of the specified parent,
  * and move any unused dentries to the end of the unused
  * list for prune_dcache(). We descend to the next level
  * whenever the d_subdirs list is non-empty and continue

fs/debugfs/file.c

···
 	u32 elements;
 };
 
-static int u32_array_open(struct inode *inode, struct file *file)
-{
-	file->private_data = NULL;
-	return nonseekable_open(inode, file);
-}
-
-static size_t format_array(char *buf, size_t bufsize, const char *fmt,
-			   u32 *array, u32 array_size)
+static size_t u32_format_array(char *buf, size_t bufsize,
+			       u32 *array, int array_size)
 {
 	size_t ret = 0;
-	u32 i;
 
-	for (i = 0; i < array_size; i++) {
+	while (--array_size >= 0) {
 		size_t len;
+		char term = array_size ? ' ' : '\n';
 
-		len = snprintf(buf, bufsize, fmt, array[i]);
-		len++;	/* ' ' or '\n' */
+		len = snprintf(buf, bufsize, "%u%c", *array++, term);
 		ret += len;
 
-		if (buf) {
-			buf += len;
-			bufsize -= len;
-			buf[-1] = (i == array_size-1) ? '\n' : ' ';
-		}
+		buf += len;
+		bufsize -= len;
 	}
-
-	ret++;		/* \0 */
-	if (buf)
-		*buf = '\0';
-
 	return ret;
 }
 
-static char *format_array_alloc(const char *fmt, u32 *array,
-						u32 array_size)
+static int u32_array_open(struct inode *inode, struct file *file)
 {
-	size_t len = format_array(NULL, 0, fmt, array, array_size);
-	char *ret;
+	struct array_data *data = inode->i_private;
+	int size, elements = data->elements;
+	char *buf;
 
-	ret = kmalloc(len, GFP_KERNEL);
-	if (ret == NULL)
-		return NULL;
+	/*
+	 * Max size:
+	 *  - 10 digits + ' '/'\n' = 11 bytes per number
+	 *  - terminating NUL character
+	 */
+	size = elements*11;
+	buf = kmalloc(size+1, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+	buf[size] = 0;
 
-	format_array(ret, len, fmt, array, array_size);
-	return ret;
+	file->private_data = buf;
+	u32_format_array(buf, size, data->array, data->elements);
+
+	return nonseekable_open(inode, file);
 }
 
 static ssize_t u32_array_read(struct file *file, char __user *buf, size_t len,
 			      loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
-	struct array_data *data = inode->i_private;
-	size_t size;
-
-	if (*ppos == 0) {
-		if (file->private_data) {
-			kfree(file->private_data);
-			file->private_data = NULL;
-		}
-
-		file->private_data = format_array_alloc("%u", data->array,
-							      data->elements);
-	}
-
-	size = 0;
-	if (file->private_data)
-		size = strlen(file->private_data);
+	size_t size = strlen(file->private_data);
 
 	return simple_read_from_buffer(buf, len, ppos,
 					file->private_data, size);

fs/lockd/svclock.c

···
 	dprintk("lockd: freeing block %p...\n", block);
 
 	/* Remove block from file's list of blocks */
-	mutex_lock(&file->f_mutex);
 	list_del_init(&block->b_flist);
 	mutex_unlock(&file->f_mutex);
 
···
 static void nlmsvc_release_block(struct nlm_block *block)
 {
 	if (block != NULL)
-		kref_put(&block->b_count, nlmsvc_free_block);
+		kref_put_mutex(&block->b_count, nlmsvc_free_block, &block->b_file->f_mutex);
 }
 
 /*

fs/namespace.c

···
 		return err;
 
 	err = -EINVAL;
-	if (!(mnt_flags & MNT_SHRINKABLE) && !check_mnt(real_mount(path->mnt)))
-		goto unlock;
+	if (unlikely(!check_mnt(real_mount(path->mnt)))) {
+		/* that's acceptable only for automounts done in private ns */
+		if (!(mnt_flags & MNT_SHRINKABLE))
+			goto unlock;
+		/* ... and for those we'd better have mountpoint still alive */
+		if (!real_mount(path->mnt)->mnt_ns)
+			goto unlock;
+	}
 
 	/* Refuse the same filesystem on the same mount point */
 	err = -EBUSY;

fs/proc/proc_sysctl.c

···
 
 	err = ERR_PTR(-ENOMEM);
 	inode = proc_sys_make_inode(dir->i_sb, h ? h : head, p);
-	if (h)
-		sysctl_head_finish(h);
-
 	if (!inode)
 		goto out;
 
···
 	d_add(dentry, inode);
 
 out:
+	if (h)
+		sysctl_head_finish(h);
 	sysctl_head_finish(head);
 	return err;
 }

fs/xfs/xfs_buf.c

···
 		atomic_inc(&bp->b_hold);
 		list_add_tail(&bp->b_lru, &btp->bt_lru);
 		btp->bt_lru_nr++;
+		bp->b_lru_flags &= ~_XBF_LRU_DISPOSE;
 	}
 	spin_unlock(&btp->bt_lru_lock);
 }
···
 		struct xfs_buftarg *btp = bp->b_target;
 
 		spin_lock(&btp->bt_lru_lock);
-		if (!list_empty(&bp->b_lru)) {
+		if (!list_empty(&bp->b_lru) &&
+		    !(bp->b_lru_flags & _XBF_LRU_DISPOSE)) {
 			list_del_init(&bp->b_lru);
 			btp->bt_lru_nr--;
 			atomic_dec(&bp->b_hold);
···
 		 */
 		list_move(&bp->b_lru, &dispose);
 		btp->bt_lru_nr--;
+		bp->b_lru_flags |= _XBF_LRU_DISPOSE;
 	}
 	spin_unlock(&btp->bt_lru_lock);
 

fs/xfs/xfs_buf.h

···
 	XBRW_ZERO = 3,			/* Zero target memory */
 } xfs_buf_rw_t;
 
-#define XBF_READ	(1 << 0) /* buffer intended for reading from device */
-#define XBF_WRITE	(1 << 1) /* buffer intended for writing to device */
-#define XBF_READ_AHEAD	(1 << 2) /* asynchronous read-ahead */
-#define XBF_ASYNC	(1 << 4) /* initiator will not wait for completion */
-#define XBF_DONE	(1 << 5) /* all pages in the buffer uptodate */
-#define XBF_STALE	(1 << 6) /* buffer has been staled, do not find it */
+#define XBF_READ	 (1 << 0) /* buffer intended for reading from device */
+#define XBF_WRITE	 (1 << 1) /* buffer intended for writing to device */
+#define XBF_READ_AHEAD	 (1 << 2) /* asynchronous read-ahead */
+#define XBF_ASYNC	 (1 << 4) /* initiator will not wait for completion */
+#define XBF_DONE	 (1 << 5) /* all pages in the buffer uptodate */
+#define XBF_STALE	 (1 << 6) /* buffer has been staled, do not find it */
 
 /* I/O hints for the BIO layer */
-#define XBF_SYNCIO	(1 << 10)/* treat this buffer as synchronous I/O */
-#define XBF_FUA		(1 << 11)/* force cache write through mode */
-#define XBF_FLUSH	(1 << 12)/* flush the disk cache before a write */
+#define XBF_SYNCIO	 (1 << 10)/* treat this buffer as synchronous I/O */
+#define XBF_FUA		 (1 << 11)/* force cache write through mode */
+#define XBF_FLUSH	 (1 << 12)/* flush the disk cache before a write */
 
 /* flags used only as arguments to access routines */
-#define XBF_TRYLOCK	(1 << 16)/* lock requested, but do not wait */
-#define XBF_UNMAPPED	(1 << 17)/* do not map the buffer */
+#define XBF_TRYLOCK	 (1 << 16)/* lock requested, but do not wait */
+#define XBF_UNMAPPED	 (1 << 17)/* do not map the buffer */
 
 /* flags used only internally */
-#define _XBF_PAGES	(1 << 20)/* backed by refcounted pages */
-#define _XBF_KMEM	(1 << 21)/* backed by heap memory */
-#define _XBF_DELWRI_Q	(1 << 22)/* buffer on a delwri queue */
-#define _XBF_COMPOUND	(1 << 23)/* compound buffer */
+#define _XBF_PAGES	 (1 << 20)/* backed by refcounted pages */
+#define _XBF_KMEM	 (1 << 21)/* backed by heap memory */
+#define _XBF_DELWRI_Q	 (1 << 22)/* buffer on a delwri queue */
+#define _XBF_COMPOUND	 (1 << 23)/* compound buffer */
+#define _XBF_LRU_DISPOSE (1 << 24)/* buffer being discarded */
 
 typedef unsigned int xfs_buf_flags_t;
 
···
 	{ XBF_SYNCIO,		"SYNCIO" }, \
 	{ XBF_FUA,		"FUA" }, \
 	{ XBF_FLUSH,		"FLUSH" }, \
-	{ XBF_TRYLOCK,		"TRYLOCK" }, 	/* should never be set */\
+	{ XBF_TRYLOCK,		"TRYLOCK" },	/* should never be set */\
 	{ XBF_UNMAPPED,		"UNMAPPED" },	/* ditto */\
 	{ _XBF_PAGES,		"PAGES" }, \
 	{ _XBF_KMEM,		"KMEM" }, \
 	{ _XBF_DELWRI_Q,	"DELWRI_Q" }, \
-	{ _XBF_COMPOUND,	"COMPOUND" }
+	{ _XBF_COMPOUND,	"COMPOUND" }, \
+	{ _XBF_LRU_DISPOSE,	"LRU_DISPOSE" }
 
 typedef struct xfs_buftarg {
 	dev_t			bt_dev;
···
 	xfs_buf_flags_t		b_flags;	/* status flags */
 	struct semaphore	b_sema;		/* semaphore for lockables */
 
+	/*
+	 * concurrent access to b_lru and b_lru_flags are protected by
+	 * bt_lru_lock and not by b_sema
+	 */
 	struct list_head	b_lru;		/* lru list */
+	xfs_buf_flags_t		b_lru_flags;	/* internal lru status flags */
 	wait_queue_head_t	b_waiters;	/* unpin waiters */
 	struct list_head	b_list;
 	struct xfs_perag	*b_pag;		/* contains rbtree root */

fs/xfs/xfs_super.c

···
 	struct xfs_mount	*mp = XFS_M(sb);
 
 	xfs_filestream_unmount(mp);
+	cancel_delayed_work_sync(&mp->m_sync_work);
 	xfs_unmountfs(mp);
 	xfs_syncd_stop(mp);
 	xfs_freesb(mp);

include/asm-generic/unistd.h

···
 #define __NR_process_vm_writev 271
 __SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
           compat_sys_process_vm_writev)
+#define __NR_kcmp 272
+__SYSCALL(__NR_kcmp, sys_kcmp)
 
 #undef __NR_syscalls
-#define __NR_syscalls 272
+#define __NR_syscalls 273
 
 /*
  * All syscalls below here should go away really,

include/linux/atmel-ssc.h

···
 
 #include <linux/platform_device.h>
 #include <linux/list.h>
+#include <linux/io.h>
 
 struct ssc_device {
 	struct list_head	list;

include/linux/compiler-gcc4.h

···
 #endif
 #endif
 
+#if __GNUC_MINOR__ >= 6
+/*
+ * Tell the optimizer that something else uses this function or variable.
+ */
+#define __visible __attribute__((externally_visible))
+#endif
+
 #if __GNUC_MINOR__ > 0
 #define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
 #endif

include/linux/compiler.h

···
 # define __section(S) __attribute__ ((__section__(#S)))
 #endif
 
+#ifndef __visible
+#define __visible
+#endif
+
 /* Are two types/vars the same type (ignoring qualifiers)? */
 #ifndef __same_type
 # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))

include/linux/dcache.h

···
 #define DCACHE_MANAGED_DENTRY \
 	(DCACHE_MOUNTED|DCACHE_NEED_AUTOMOUNT|DCACHE_MANAGE_TRANSIT)
 
+#define DCACHE_DENTRY_KILLED	0x100000
+
 extern seqlock_t rename_lock;
 
 static inline int dname_external(struct dentry *dentry)

include/linux/kernel.h

···
 {							\
 	typeof(x) __x = x;				\
 	typeof(divisor) __d = divisor;			\
-	(((typeof(x))-1) >= 0 || (__x) >= 0) ?		\
+	(((typeof(x))-1) > 0 || (__x) > 0) ?		\
 		(((__x) + ((__d) / 2)) / (__d)) :	\
 		(((__x) - ((__d) / 2)) / (__d));	\
 }							\

include/linux/memory.h

···
 #include <linux/compiler.h>
 #include <linux/mutex.h>
 
-#define MIN_MEMORY_BLOCK_SIZE     (1 << SECTION_SIZE_BITS)
+#define MIN_MEMORY_BLOCK_SIZE     (1UL << SECTION_SIZE_BITS)
 
 struct memory_block {
 	unsigned long start_section_nr;

include/linux/mfd/core.h

···
 
 #include <linux/platform_device.h>
 
+struct irq_domain;
+
 /*
  * This struct describes the MFD part ("cell").
  * After registration the copy of this structure will become the platform data
···
 extern int mfd_add_devices(struct device *parent, int id,
 			   struct mfd_cell *cells, int n_devs,
 			   struct resource *mem_base,
-			   int irq_base);
+			   int irq_base, struct irq_domain *irq_domain);
 
 extern void mfd_remove_devices(struct device *parent);
 

include/linux/mfd/tps65217.h

···
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
 
+/* TPS chip id list */
+#define TPS65217			0xF0
+
 /* I2C ID for TPS65217 part */
 #define TPS65217_I2C_ID			0x24
 
···
 struct tps65217 {
 	struct device *dev;
 	struct tps65217_board *pdata;
+	unsigned int id;
 	struct regulator_desc desc[TPS65217_NUM_REGULATOR];
 	struct regulator_dev *rdev[TPS65217_NUM_REGULATOR];
 	struct tps_info *info[TPS65217_NUM_REGULATOR];
 	struct regmap *regmap;
-
-	/* Client devices */
-	struct platform_device *regulator_pdev[TPS65217_NUM_REGULATOR];
 };
 
 static inline struct tps65217 *dev_to_tps65217(struct device *dev)
 {
 	return dev_get_drvdata(dev);
+}
+
+static inline int tps65217_chip_id(struct tps65217 *tps65217)
+{
+	return tps65217->id;
 }
 
 int tps65217_reg_read(struct tps65217 *tps, unsigned int reg,

include/linux/micrel_phy.h

···
+/*
+ * include/linux/micrel_phy.h
+ *
+ * Micrel PHY IDs
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+
 #ifndef _MICREL_PHY_H
 #define _MICREL_PHY_H
 
···
 
 #define PHY_ID_KSZ9021		0x00221610
 #define PHY_ID_KS8737		0x00221720
-#define PHY_ID_KS8041		0x00221510
-#define PHY_ID_KS8051		0x00221550
+#define PHY_ID_KSZ8021		0x00221555
+#define PHY_ID_KSZ8041		0x00221510
+#define PHY_ID_KSZ8051		0x00221550
 /* both for ks8001 Rev. A/B, and for ks8721 Rev 3. */
-#define PHY_ID_KS8001		0x0022161A
+#define PHY_ID_KSZ8001		0x0022161A
 
 /* struct phy_device dev_flags definitions */
 #define MICREL_PHY_50MHZ_CLK	0x00000001

include/linux/perf_event.h

···
 	__u64	branch_sample_type; /* enum branch_sample_type */
 };
 
+#define perf_flags(attr)	(*(&(attr)->read_format + 1))
+
 /*
  * Ioctls that can be done on a perf event fd:
  */

include/linux/sched.h

···
 	unsigned int smt_gain;
 	int flags;			/* See SD_* */
 	int level;
-	int idle_buddy;			/* cpu assigned to select_idle_sibling() */
 
 	/* Runtime fields. */
 	unsigned long last_balance;	/* init to jiffies. units in jiffies */

include/linux/security.h

···
 extern unsigned long mmap_min_addr;
 extern unsigned long dac_mmap_min_addr;
 #else
+#define mmap_min_addr		0UL
 #define dac_mmap_min_addr	0UL
 #endif
 

include/linux/xfrm.h

···
 	__u32	bitmap;
 };
 
+#define XFRMA_REPLAY_ESN_MAX	4096
+
 struct xfrm_replay_state_esn {
 	unsigned int	bmp_len;
 	__u32		oseq;

include/net/ip6_fib.h

···
 	struct inet6_dev		*rt6i_idev;
 	unsigned long			_rt6i_peer;
 
-#ifdef CONFIG_XFRM
-	u32				rt6i_flow_cache_genid;
-#endif
+	u32				rt6i_genid;
+
 	/* more non-fragment space at head required */
 	unsigned short			rt6i_nfheader_len;
 

include/net/net_namespace.h

···
 #endif
 	struct netns_ipvs	*ipvs;
 	struct sock		*diag_nlsk;
+	atomic_t		rt_genid;
 };
 
 /*
···
 }
 #endif
 
+static inline int rt_genid(struct net *net)
+{
+	return atomic_read(&net->rt_genid);
+}
+
+static inline void rt_genid_bump(struct net *net)
+{
+	atomic_inc(&net->rt_genid);
+}
 
 #endif /* __NET_NET_NAMESPACE_H */

include/net/netns/ipv4.h

···
 	kgid_t sysctl_ping_group_range[2];
 	long sysctl_tcp_mem[3];
 
-	atomic_t rt_genid;
 	atomic_t dev_addr_genid;
 
 #ifdef CONFIG_IP_MROUTE

include/net/sock.h

···
 }
 
 static inline bool
-sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, unsigned int size)
+sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size)
 {
 	if (!sk_has_account(sk))
 		return true;

include/target/target_core_backend.h

···
 	struct se_device *(*create_virtdevice)(struct se_hba *,
 				struct se_subsystem_dev *, void *);
 	void (*free_device)(void *);
-	int (*transport_complete)(struct se_cmd *cmd, struct scatterlist *);
+	void (*transport_complete)(struct se_cmd *cmd,
+				   struct scatterlist *,
+				   unsigned char *);
 
 	int (*parse_cdb)(struct se_cmd *cmd);
 	ssize_t (*check_configfs_dev_params)(struct se_hba *,

include/target/target_core_base.h

···
 
 #define SE_INQUIRY_BUF				512
 #define SE_MODE_PAGE_BUF			512
+#define SE_SENSE_BUF				96
 
 /* struct se_hba->hba_flags */
 enum hba_flags_table {

include/trace/events/kmem.h

···
 
 	TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
 		__entry->page,
-		page_to_pfn(__entry->page),
+		__entry->page ? page_to_pfn(__entry->page) : 0,
 		__entry->order,
 		__entry->migratetype,
 		show_gfp_flags(__entry->gfp_flags))
···
 
 	TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
 		__entry->page,
-		page_to_pfn(__entry->page),
+		__entry->page ? page_to_pfn(__entry->page) : 0,
 		__entry->order,
 		__entry->migratetype,
 		__entry->order == 0)

include/xen/grant_table.h

···
 		    struct gnttab_map_grant_ref *kmap_ops,
 		    struct page **pages, unsigned int count);
 int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops,
-		      struct page **pages, unsigned int count, bool clear_pte);
+		      struct gnttab_map_grant_ref *kunmap_ops,
+		      struct page **pages, unsigned int count);
 
 #endif /* __ASM_GNTTAB_H__ */

kernel/pid_namespace.c

···
 	 */
 
 	tmp.data = &current->nsproxy->pid_ns->last_pid;
-	return proc_dointvec(&tmp, write, buffer, lenp, ppos);
+	return proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
 }
 
+extern int pid_max;
+static int zero = 0;
 static struct ctl_table pid_ns_ctl_table[] = {
 	{
 		.procname = "ns_last_pid",
 		.maxlen = sizeof(int),
 		.mode = 0666, /* permissions are checked in the handler */
 		.proc_handler = pid_ns_ctl_handler,
+		.extra1 = &zero,
+		.extra2 = &pid_max,
 	},
 	{ }
 };

kernel/sched/core.c

···
  * SD_SHARE_PKG_RESOURCE set (Last Level Cache Domain) for this
  * allows us to avoid some pointer chasing select_idle_sibling().
  *
- * Iterate domains and sched_groups downward, assigning CPUs to be
- * select_idle_sibling() hw buddy.  Cross-wiring hw makes bouncing
- * due to random perturbation self canceling, ie sw buddies pull
- * their counterpart to their CPU's hw counterpart.
- *
  * Also keep a unique ID per domain (we use the first cpu number in
  * the cpumask of the domain), this allows us to quickly tell if
  * two cpus are in the same cache domain, see cpus_share_cache().
···
 	int id = cpu;
 
 	sd = highest_flag_domain(cpu, SD_SHARE_PKG_RESOURCES);
-	if (sd) {
-		struct sched_domain *tmp = sd;
-		struct sched_group *sg, *prev;
-		bool right;
-
-		/*
-		 * Traverse to first CPU in group, and count hops
-		 * to cpu from there, switching direction on each
-		 * hop, never ever pointing the last CPU rightward.
-		 */
-		do {
-			id = cpumask_first(sched_domain_span(tmp));
-			prev = sg = tmp->groups;
-			right = 1;
-
-			while (cpumask_first(sched_group_cpus(sg)) != id)
-				sg = sg->next;
-
-			while (!cpumask_test_cpu(cpu, sched_group_cpus(sg))) {
-				prev = sg;
-				sg = sg->next;
-				right = !right;
-			}
-
-			/* A CPU went down, never point back to domain start. */
-			if (right && cpumask_first(sched_group_cpus(sg->next)) == id)
-				right = false;
-
-			sg = right ? sg->next : prev;
-			tmp->idle_buddy = cpumask_first(sched_group_cpus(sg));
-		} while ((tmp = tmp->child));
-
+	if (sd)
 		id = cpumask_first(sched_domain_span(sd));
-	}
 
 	rcu_assign_pointer(per_cpu(sd_llc, cpu), sd);
 	per_cpu(sd_llc_id, cpu) = id;

kernel/sched/fair.c

···
 	int cpu = smp_processor_id();
 	int prev_cpu = task_cpu(p);
 	struct sched_domain *sd;
+	struct sched_group *sg;
+	int i;
 
 	/*
 	 * If the task is going to be woken-up on this cpu and if it is
···
 		return prev_cpu;
 
 	/*
-	 * Otherwise, check assigned siblings to find an elegible idle cpu.
+	 * Otherwise, iterate the domains and find an elegible idle cpu.
 	 */
 	sd = rcu_dereference(per_cpu(sd_llc, target));
-
 	for_each_lower_domain(sd) {
-		if (!cpumask_test_cpu(sd->idle_buddy, tsk_cpus_allowed(p)))
-			continue;
-		if (idle_cpu(sd->idle_buddy))
-			return sd->idle_buddy;
-	}
+		sg = sd->groups;
+		do {
+			if (!cpumask_intersects(sched_group_cpus(sg),
+						tsk_cpus_allowed(p)))
+				goto next;
 
+			for_each_cpu(i, sched_group_cpus(sg)) {
+				if (!idle_cpu(i))
+					goto next;
+			}
+
+			target = cpumask_first_and(sched_group_cpus(sg),
+					tsk_cpus_allowed(p));
+			goto done;
+next:
+			sg = sg->next;
+		} while (sg != sd->groups);
+	}
+done:
 	return target;
 }
 

kernel/time/timekeeping.c

···
 		seq = read_seqbegin(&tk->lock);
 
 		ts->tv_sec = tk->xtime_sec;
-		ts->tv_nsec = timekeeping_get_ns(tk);
+		nsecs = timekeeping_get_ns(tk);
 
 	} while (read_seqretry(&tk->lock, seq));
 
+	ts->tv_nsec = 0;
 	timespec_add_ns(ts, nsecs);
 }
 EXPORT_SYMBOL(getnstimeofday);
···
 {
 	struct timekeeper *tk = &timekeeper;
 	struct timespec tomono;
+	s64 nsec;
 	unsigned int seq;
 
 	WARN_ON(timekeeping_suspended);
···
 	do {
 		seq = read_seqbegin(&tk->lock);
 		ts->tv_sec = tk->xtime_sec;
-		ts->tv_nsec = timekeeping_get_ns(tk);
+		nsec = timekeeping_get_ns(tk);
 		tomono = tk->wall_to_monotonic;
 
 	} while (read_seqretry(&tk->lock, seq));
 
-	set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec,
-				ts->tv_nsec + tomono.tv_nsec);
+	ts->tv_sec += tomono.tv_sec;
+	ts->tv_nsec = 0;
+	timespec_add_ns(ts, nsec + tomono.tv_nsec);
 }
 EXPORT_SYMBOL_GPL(ktime_get_ts);
 
···
 {
 	struct timekeeper *tk = &timekeeper;
 	struct timespec tomono, sleep;
+	s64 nsec;
 	unsigned int seq;
 
 	WARN_ON(timekeeping_suspended);
···
 	do {
 		seq = read_seqbegin(&tk->lock);
 		ts->tv_sec = tk->xtime_sec;
-		ts->tv_nsec = timekeeping_get_ns(tk);
+		nsec = timekeeping_get_ns(tk);
 		tomono = tk->wall_to_monotonic;
 		sleep = tk->total_sleep_time;
 
 	} while (read_seqretry(&tk->lock, seq));
 
-	set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec + sleep.tv_sec,
-			ts->tv_nsec + tomono.tv_nsec + sleep.tv_nsec);
+	ts->tv_sec += tomono.tv_sec + sleep.tv_sec;
+	ts->tv_nsec = 0;
+	timespec_add_ns(ts, nsec + tomono.tv_nsec + sleep.tv_nsec);
 }
 EXPORT_SYMBOL_GPL(get_monotonic_boottime);
 

kernel/workqueue.c

···
 	struct worker *worker = container_of(work, struct worker, rebind_work);
 	struct global_cwq *gcwq = worker->pool->gcwq;
 
-	if (worker_maybe_bind_and_lock(worker))
-		worker_clr_flags(worker, WORKER_REBIND);
+	worker_maybe_bind_and_lock(worker);
+
+	/*
+	 * %WORKER_REBIND must be cleared even if the above binding failed;
+	 * otherwise, we may confuse the next CPU_UP cycle or oops / get
+	 * stuck by calling idle_worker_rebind() prematurely.  If CPU went
+	 * down again inbetween, %WORKER_UNBOUND would be set, so clearing
+	 * %WORKER_REBIND is always safe.
+	 */
+	worker_clr_flags(worker, WORKER_REBIND);
 
 	spin_unlock_irq(&gcwq->lock);
 }
···
 #ifdef CONFIG_SMP
 
 struct work_for_cpu {
-	struct completion completion;
+	struct work_struct work;
 	long (*fn)(void *);
 	void *arg;
 	long ret;
 };
 
-static int do_work_for_cpu(void *_wfc)
+static void work_for_cpu_fn(struct work_struct *work)
 {
-	struct work_for_cpu *wfc = _wfc;
+	struct work_for_cpu *wfc = container_of(work, struct work_for_cpu, work);
+
 	wfc->ret = wfc->fn(wfc->arg);
-	complete(&wfc->completion);
-	return 0;
 }
 
 /**
···
  */
 long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg)
 {
-	struct task_struct *sub_thread;
-	struct work_for_cpu wfc = {
-		.completion = COMPLETION_INITIALIZER_ONSTACK(wfc.completion),
-		.fn = fn,
-		.arg = arg,
-	};
+	struct work_for_cpu wfc = { .fn = fn, .arg = arg };
 
-	sub_thread = kthread_create(do_work_for_cpu, &wfc, "work_for_cpu");
-	if (IS_ERR(sub_thread))
-		return PTR_ERR(sub_thread);
-	kthread_bind(sub_thread, cpu);
-	wake_up_process(sub_thread);
-	wait_for_completion(&wfc.completion);
+	INIT_WORK_ONSTACK(&wfc.work, work_for_cpu_fn);
+	schedule_work_on(cpu, &wfc.work);
+	flush_work(&wfc.work);
 	return wfc.ret;
 }
 EXPORT_SYMBOL_GPL(work_on_cpu);

lib/flex_proportions.c

···
  */
 bool fprop_new_period(struct fprop_global *p, int periods)
 {
-	u64 events;
+	s64 events;
 	unsigned long flags;
 
 	local_irq_save(flags);

mm/huge_memory.c

···
 			src_page = pte_page(pteval);
 			copy_user_highpage(page, src_page, address, vma);
 			VM_BUG_ON(page_mapcount(src_page) != 1);
-			VM_BUG_ON(page_count(src_page) != 2);
 			release_pte_page(src_page);
 			/*
 			 * ptl mostly unnecessary, but preempt has to

mm/memory_hotplug.c

···
 	struct mem_section *ms;
 	struct page *page, *memmap;
 
-	if (!pfn_valid(start_pfn))
-		return;
-
 	section_nr = pfn_to_section_nr(start_pfn);
 	ms = __nr_to_section(section_nr);
 
···
 	end_pfn = pfn + pgdat->node_spanned_pages;
 
 	/* register_section info */
-	for (; pfn < end_pfn; pfn += PAGES_PER_SECTION)
-		register_page_bootmem_info_section(pfn);
-
+	for (; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
+		/*
+		 * Some platforms can assign the same pfn to multiple nodes - on
+		 * node0 as well as nodeN.  To avoid registering a pfn against
+		 * multiple nodes we check that this pfn does not already
+		 * reside in some other node.
+		 */
+		if (pfn_valid(pfn) && (pfn_to_nid(pfn) == node))
+			register_page_bootmem_info_section(pfn);
+	}
 }
 #endif /* !CONFIG_SPARSEMEM_VMEMMAP */
 

mm/page_alloc.c

···
 		combined_idx = buddy_idx & page_idx;
 		higher_page = page + (combined_idx - page_idx);
 		buddy_idx = __find_buddy_index(combined_idx, order + 1);
-		higher_buddy = page + (buddy_idx - combined_idx);
+		higher_buddy = higher_page + (buddy_idx - combined_idx);
 		if (page_is_buddy(higher_page, higher_buddy, order + 1)) {
 			list_add_tail(&page->lru,
 				&zone->free_area[order].free_list[migratetype]);

mm/slab.c

···
 		}
 
 		/* The caller cannot use PFMEMALLOC objects, find another one */
-		for (i = 1; i < ac->avail; i++) {
+		for (i = 0; i < ac->avail; i++) {
 			/* If a !PFMEMALLOC object is found, swap them */
 			if (!is_obj_pfmemalloc(ac->entry[i])) {
 				objp = ac->entry[i];
···
 		l3 = cachep->nodelists[numa_mem_id()];
 		if (!list_empty(&l3->slabs_free) && force_refill) {
 			struct slab *slabp = virt_to_slab(objp);
-			ClearPageSlabPfmemalloc(virt_to_page(slabp->s_mem));
+			ClearPageSlabPfmemalloc(virt_to_head_page(slabp->s_mem));
 			clear_obj_pfmemalloc(&objp);
 			recheck_pfmemalloc_active(cachep, ac);
 			return objp;
···
 {
 	if (unlikely(pfmemalloc_active)) {
 		/* Some pfmemalloc slabs exist, check if this is one */
-		struct page *page = virt_to_page(objp);
+		struct page *page = virt_to_head_page(objp);
 		if (PageSlabPfmemalloc(page))
 			set_obj_pfmemalloc(&objp);
 	}

mm/slub.c

···
 }
 
 static int put_cpu_partial(struct kmem_cache *s, struct page *page, int drain);
+static inline bool pfmemalloc_match(struct page *page, gfp_t gfpflags);
 
 /*
  * Try to allocate a partial slab from a specific node.
  */
-static void *get_partial_node(struct kmem_cache *s,
-		struct kmem_cache_node *n, struct kmem_cache_cpu *c)
+static void *get_partial_node(struct kmem_cache *s, struct kmem_cache_node *n,
+				struct kmem_cache_cpu *c, gfp_t flags)
 {
 	struct page *page, *page2;
 	void *object = NULL;
···
 
 	spin_lock(&n->list_lock);
 	list_for_each_entry_safe(page, page2, &n->partial, lru) {
-		void *t = acquire_slab(s, n, page, object == NULL);
+		void *t;
 		int available;
 
+		if (!pfmemalloc_match(page, flags))
+			continue;
+
+		t = acquire_slab(s, n, page, object == NULL);
 		if (!t)
 			break;
 
···
 
 			if (n && cpuset_zone_allowed_hardwall(zone, flags) &&
 					n->nr_partial > s->min_partial) {
-				object = get_partial_node(s, n, c);
+				object = get_partial_node(s, n, c, flags);
 				if (object) {
 					/*
 					 * Return the object even if
···
 	void *object;
 	int searchnode = (node == NUMA_NO_NODE) ? numa_node_id() : node;
 
-	object = get_partial_node(s, get_node(s, searchnode), c);
+	object = get_partial_node(s, get_node(s, searchnode), c, flags);
 	if (object || node != NUMA_NO_NODE)
 		return object;
 

mm/vmscan.c

···
 		/* failure at boot is fatal */
 		BUG_ON(system_state == SYSTEM_BOOTING);
 		printk("Failed to start kswapd on node %d\n",nid);
+		pgdat->kswapd = NULL;
 		ret = -1;
 	}
 	return ret;

net/batman-adv/bat_iv_ogm.c

···
 	struct batadv_neigh_node *router = NULL;
 	struct batadv_orig_node *orig_node_tmp;
 	struct hlist_node *node;
+	int if_num;
 	uint8_t sum_orig, sum_neigh;
 	uint8_t *neigh_addr;
 	uint8_t tq_avg;
···
 	if (router && (neigh_node->tq_avg == router->tq_avg)) {
 		orig_node_tmp = router->orig_node;
 		spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
-		sum_orig = orig_node_tmp->bcast_own_sum[if_incoming->if_num];
+		if_num = router->if_incoming->if_num;
+		sum_orig = orig_node_tmp->bcast_own_sum[if_num];
 		spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
 
 		orig_node_tmp = neigh_node->orig_node;
 		spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
-		sum_neigh = orig_node_tmp->bcast_own_sum[if_incoming->if_num];
+		if_num = neigh_node->if_incoming->if_num;
+		sum_neigh = orig_node_tmp->bcast_own_sum[if_num];
 		spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
 
 		if (sum_orig >= sum_neigh)

net/batman-adv/bitarray.h

···
 #ifndef _NET_BATMAN_ADV_BITARRAY_H_
 #define _NET_BATMAN_ADV_BITARRAY_H_
 
-/* returns true if the corresponding bit in the given seq_bits indicates true
- * and curr_seqno is within range of last_seqno
+/* Returns 1 if the corresponding bit in the given seq_bits indicates true
+ * and curr_seqno is within range of last_seqno. Otherwise returns 0.
  */
 static inline int batadv_test_bit(const unsigned long *seq_bits,
 				  uint32_t last_seqno, uint32_t curr_seqno)
···
 	if (diff < 0 || diff >= BATADV_TQ_LOCAL_WINDOW_SIZE)
 		return 0;
 	else
-		return  test_bit(diff, seq_bits);
+		return test_bit(diff, seq_bits) != 0;
 }
 
 /* turn corresponding bit on, so we can remember that we got the packet */

net/batman-adv/soft-interface.c

···
 {
 	struct batadv_priv *bat_priv = netdev_priv(dev);
 	struct sockaddr *addr = p;
+	uint8_t old_addr[ETH_ALEN];
 
 	if (!is_valid_ether_addr(addr->sa_data))
 		return -EADDRNOTAVAIL;
 
+	memcpy(old_addr, dev->dev_addr, ETH_ALEN);
+	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+
 	/* only modify transtable if it has been initialized before */
 	if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
-		batadv_tt_local_remove(bat_priv, dev->dev_addr,
+		batadv_tt_local_remove(bat_priv, old_addr,
 				       "mac address changed", false);
 		batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
 	}
 
-	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
 	dev->addr_assign_type &= ~NET_ADDR_RANDOM;
 	return 0;
 }

net/bluetooth/bnep/sock.c

···
 	switch (cmd) {
 	case BNEPCONNADD:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&ca, argp, sizeof(ca)))
 			return -EFAULT;
···
 
 	case BNEPCONNDEL:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&cd, argp, sizeof(cd)))
 			return -EFAULT;

net/bluetooth/cmtp/sock.c

···
 	switch (cmd) {
 	case CMTPCONNADD:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&ca, argp, sizeof(ca)))
 			return -EFAULT;
···
 
 	case CMTPCONNDEL:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&cd, argp, sizeof(cd)))
 			return -EFAULT;

net/bluetooth/hci_core.c

···
 
 	cancel_work_sync(&hdev->le_scan);
 
+	cancel_delayed_work(&hdev->power_off);
+
 	hci_req_cancel(hdev, ENODEV);
 	hci_req_lock(hdev);
 

net/bluetooth/hci_sock.c

···
 	switch (cmd) {
 	case HCISETRAW:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
 			return -EPERM;
···
 
 	case HCIBLOCKADDR:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_sock_blacklist_add(hdev, (void __user *) arg);
 
 	case HCIUNBLOCKADDR:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_sock_blacklist_del(hdev, (void __user *) arg);
 
 	default:
···
 
 	case HCIDEVUP:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_open(arg);
 
 	case HCIDEVDOWN:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_close(arg);
 
 	case HCIDEVRESET:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_reset(arg);
 
 	case HCIDEVRESTAT:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_reset_stat(arg);
 
 	case HCISETSCAN:
···
 	case HCISETACLMTU:
 	case HCISETSCOMTU:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_cmd(cmd, argp);
 
 	case HCIINQUIRY:

net/bluetooth/hidp/sock.c

···
 	switch (cmd) {
 	case HIDPCONNADD:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&ca, argp, sizeof(ca)))
 			return -EFAULT;
···
 
 	case HIDPCONNDEL:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&cd, argp, sizeof(cd)))
 			return -EFAULT;

net/bluetooth/l2cap_core.c

···
 	if (!conn)
 		return;
 
-	if (chan->mode == L2CAP_MODE_ERTM) {
+	if (chan->mode == L2CAP_MODE_ERTM && chan->state == BT_CONNECTED) {
 		__clear_retrans_timer(chan);
 		__clear_monitor_timer(chan);
 		__clear_ack_timer(chan);

net/bluetooth/mgmt.c

···
 		if (scan)
 			hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
 
+		if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
+			u8 ssp = 1;
+
+			hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
+		}
+
+		if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
+			struct hci_cp_write_le_host_supported cp;
+
+			cp.le = 1;
+			cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
+
+			hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED,
+				     sizeof(cp), &cp);
+		}
+
 		update_class(hdev);
 		update_name(hdev, hdev->dev_name);
 		update_eir(hdev);

net/ceph/messenger.c

···
 			BUG_ON(kaddr == NULL);
 			base = kaddr + con->out_msg_pos.page_pos + bio_offset;
 			crc = crc32c(crc, base, len);
+			kunmap(page);
 			msg->footer.data_crc = cpu_to_le32(crc);
 			con->out_msg_pos.did_page_crc = true;
 		}
 		ret = ceph_tcp_sendpage(con->sock, page,
 				      con->out_msg_pos.page_pos + bio_offset,
 				      len, 1);
-
-		if (do_datacrc)
-			kunmap(page);
-
 		if (ret <= 0)
 			goto out;
 

net/core/dev.c

···
 static netdev_features_t harmonize_features(struct sk_buff *skb,
 	__be16 protocol, netdev_features_t features)
 {
-	if (!can_checksum_protocol(features, protocol)) {
+	if (skb->ip_summed != CHECKSUM_NONE &&
+	    !can_checksum_protocol(features, protocol)) {
 		features &= ~NETIF_F_ALL_CSUM;
 		features &= ~NETIF_F_SG;
 	} else if (illegal_highdma(skb->dev, skb)) {
···
 
 	if (pt_prev) {
 		if (unlikely(skb_orphan_frags(skb, GFP_ATOMIC)))
-			ret = -ENOMEM;
+			goto drop;
 		else
 			ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
 	} else {

net/core/skbuff.c

···
 	if (!skb_cloned(from))
 		skb_shinfo(from)->nr_frags = 0;
 
-	/* if the skb is cloned this does nothing since we set nr_frags to 0 */
+	/* if the skb is not cloned this does nothing
+	 * since we set nr_frags to 0.
+	 */
 	for (i = 0; i < skb_shinfo(from)->nr_frags; i++)
 		skb_frag_ref(from, i);
 

net/core/sock.c

···
 
 	case SO_KEEPALIVE:
 #ifdef CONFIG_INET
-		if (sk->sk_protocol == IPPROTO_TCP)
+		if (sk->sk_protocol == IPPROTO_TCP &&
+		    sk->sk_type == SOCK_STREAM)
 			tcp_set_keepalive(sk, valbool);
 #endif
 		sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool);

net/ipv4/devinet.c

···
 		break;
 
 	case SIOCSIFFLAGS:
-		ret = -EACCES;
+		ret = -EPERM;
 		if (!capable(CAP_NET_ADMIN))
 			goto out;
 		break;
···
 	case SIOCSIFBRDADDR:	/* Set the broadcast address */
 	case SIOCSIFDSTADDR:	/* Set the destination address */
 	case SIOCSIFNETMASK: 	/* Set the netmask for the interface */
-		ret = -EACCES;
+		ret = -EPERM;
 		if (!capable(CAP_NET_ADMIN))
 			goto out;
 		ret = -EINVAL;

net/ipv4/inetpeer.c

···
 					secure_ipv6_id(daddr->addr.a6));
 		p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW;
 		p->rate_tokens = 0;
-		p->rate_last = 0;
+		/* 60*HZ is arbitrary, but chosen enough high so that the first
+		 * calculation of tokens is at its maximum.
+		 */
+		p->rate_last = jiffies - 60*HZ;
 		INIT_LIST_HEAD(&p->gc_list);
 
 		/* Link the node. */

net/ipv4/raw.c

···
  *	0 - deliver
  *	1 - block
  */
-static __inline__ int icmp_filter(struct sock *sk, struct sk_buff *skb)
+static int icmp_filter(const struct sock *sk, const struct sk_buff *skb)
 {
-	int type;
+	struct icmphdr _hdr;
+	const struct icmphdr *hdr;
 
-	if (!pskb_may_pull(skb, sizeof(struct icmphdr)))
+	hdr = skb_header_pointer(skb, skb_transport_offset(skb),
+				 sizeof(_hdr), &_hdr);
+	if (!hdr)
 		return 1;
 
-	type = icmp_hdr(skb)->type;
-	if (type < 32) {
+	if (hdr->type < 32) {
 		__u32 data = raw_sk(sk)->filter.data;
 
-		return ((1 << type) & data) != 0;
+		return ((1U << hdr->type) & data) != 0;
 	}
 
 	/* Do not block unknown ICMP types */

net/ipv4/route.c

···
 static DEFINE_PER_CPU(struct rt_cache_stat, rt_cache_stat);
 #define RT_CACHE_STAT_INC(field) __this_cpu_inc(rt_cache_stat.field)
 
-static inline int rt_genid(struct net *net)
-{
-	return atomic_read(&net->ipv4.rt_genid);
-}
-
 #ifdef CONFIG_PROC_FS
 static void *rt_cache_seq_start(struct seq_file *seq, loff_t *pos)
 {
···
 
 void rt_cache_flush(struct net *net)
 {
-	atomic_inc(&net->ipv4.rt_genid);
+	rt_genid_bump(net);
 }
 
 static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst,
···
 
 static __net_init int rt_genid_init(struct net *net)
 {
-	atomic_set(&net->ipv4.rt_genid, 0);
+	atomic_set(&net->rt_genid, 0);
 	get_random_bytes(&net->ipv4.dev_addr_genid,
 			 sizeof(net->ipv4.dev_addr_genid));
 	return 0;

net/ipv4/tcp.c

···
 		}
 
 #ifdef CONFIG_NET_DMA
-		if (tp->ucopy.dma_chan)
-			dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+		if (tp->ucopy.dma_chan) {
+			if (tp->rcv_wnd == 0 &&
+			    !skb_queue_empty(&sk->sk_async_wait_queue)) {
+				tcp_service_net_dma(sk, true);
+				tcp_cleanup_rbuf(sk, copied);
+			} else
+				dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+		}
 #endif
 		if (copied >= target) {
 			/* Do not sleep, just process backlog. */
···
 			tp->rx_opt.mss_clamp = opt.opt_val;
 			break;
 		case TCPOPT_WINDOW:
-			if (opt.opt_val > 14)
-				return -EFBIG;
+			{
+				u16 snd_wscale = opt.opt_val & 0xFFFF;
+				u16 rcv_wscale = opt.opt_val >> 16;
 
-			tp->rx_opt.snd_wscale = opt.opt_val;
+				if (snd_wscale > 14 || rcv_wscale > 14)
+					return -EFBIG;
+
+				tp->rx_opt.snd_wscale = snd_wscale;
+				tp->rx_opt.rcv_wscale = rcv_wscale;
+				tp->rx_opt.wscale_ok = 1;
+			}
 			break;
 		case TCPOPT_SACK_PERM:
 			if (opt.opt_val != 0)

net/ipv4/tcp_input.c

···
 
 		if (eaten > 0)
 			kfree_skb_partial(skb, fragstolen);
-		else if (!sock_flag(sk, SOCK_DEAD))
+		if (!sock_flag(sk, SOCK_DEAD))
 			sk->sk_data_ready(sk, 0);
 		return;
 	}
···
 #endif
 			if (eaten)
 				kfree_skb_partial(skb, fragstolen);
-			else
-				sk->sk_data_ready(sk, 0);
+			sk->sk_data_ready(sk, 0);
 			return 0;
 		}
 	}

net/ipv6/inet6_connection_sock.c

···
 			   const struct in6_addr *saddr)
 {
 	__ip6_dst_store(sk, dst, daddr, saddr);
-
-#ifdef CONFIG_XFRM
-	{
-		struct rt6_info *rt = (struct rt6_info  *)dst;
-		rt->rt6i_flow_cache_genid = atomic_read(&flow_cache_genid);
-	}
-#endif
 }
 
 static inline
 struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie)
 {
-	struct dst_entry *dst;
-
-	dst = __sk_dst_check(sk, cookie);
-
-#ifdef CONFIG_XFRM
-	if (dst) {
-		struct rt6_info *rt = (struct rt6_info *)dst;
-		if (rt->rt6i_flow_cache_genid != atomic_read(&flow_cache_genid)) {
-			__sk_dst_reset(sk);
-			dst = NULL;
-		}
-	}
-#endif
-
-	return dst;
+	return __sk_dst_check(sk, cookie);
 }
 
 static struct dst_entry *inet6_csk_route_socket(struct sock *sk,

net/ipv6/ip6_fib.c

···
 					offsetof(struct rt6_info, rt6i_src),
 					allow_create, replace_required);
 
+			if (IS_ERR(sn)) {
+				err = PTR_ERR(sn);
+				sn = NULL;
+			}
 			if (!sn) {
 				/* If it is failed, discard just allocated
 				   root, and then (in st_failure) stale node

net/ipv6/mip6.c

···
 
 static int mip6_mh_filter(struct sock *sk, struct sk_buff *skb)
 {
-	struct ip6_mh *mh;
+	struct ip6_mh _hdr;
+	const struct ip6_mh *mh;
 
-	if (!pskb_may_pull(skb, (skb_transport_offset(skb)) + 8) ||
-	    !pskb_may_pull(skb, (skb_transport_offset(skb) +
-				 ((skb_transport_header(skb)[1] + 1) << 3))))
+	mh = skb_header_pointer(skb, skb_transport_offset(skb),
+				sizeof(_hdr), &_hdr);
+	if (!mh)
 		return -1;
 
-	mh = (struct ip6_mh *)skb_transport_header(skb);
+	if (((mh->ip6mh_hdrlen + 1) << 3) > skb->len)
+		return -1;
 
 	if (mh->ip6mh_hdrlen < mip6_mh_len(mh->ip6mh_type)) {
 		LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH message too short: %d vs >=%d\n",
 			       mh->ip6mh_hdrlen, mip6_mh_len(mh->ip6mh_type));
-		mip6_param_prob(skb, 0, ((&mh->ip6mh_hdrlen) -
-					 skb_network_header(skb)));
+		mip6_param_prob(skb, 0, offsetof(struct ip6_mh, ip6mh_hdrlen) +
+				skb_network_header_len(skb));
 		return -1;
 	}
 
 	if (mh->ip6mh_proto != IPPROTO_NONE) {
 		LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH invalid payload proto = %d\n",
 			       mh->ip6mh_proto);
-		mip6_param_prob(skb, 0, ((&mh->ip6mh_proto) -
-					 skb_network_header(skb)));
+		mip6_param_prob(skb, 0, offsetof(struct ip6_mh, ip6mh_proto) +
+				skb_network_header_len(skb));
 		return -1;
 	}
 

net/ipv6/raw.c

···
  *	0 - deliver
  *	1 - block
  */
-static __inline__ int icmpv6_filter(struct sock *sk, struct sk_buff *skb)
+static int icmpv6_filter(const struct sock *sk, const struct sk_buff *skb)
 {
-	struct icmp6hdr *icmph;
-	struct raw6_sock *rp = raw6_sk(sk);
+	struct icmp6hdr *_hdr;
+	const struct icmp6hdr *hdr;
 
-	if (pskb_may_pull(skb, sizeof(struct icmp6hdr))) {
-		__u32 *data = &rp->filter.data[0];
-		int bit_nr;
+	hdr = skb_header_pointer(skb, skb_transport_offset(skb),
+				 sizeof(_hdr), &_hdr);
+	if (hdr) {
+		const __u32 *data = &raw6_sk(sk)->filter.data[0];
+		unsigned int type = hdr->icmp6_type;
 
-		icmph = (struct icmp6hdr *) skb->data;
-		bit_nr = icmph->icmp6_type;
-
-		return (data[bit_nr >> 5] & (1 << (bit_nr & 31))) != 0;
+		return (data[type >> 5] & (1U << (type & 31))) != 0;
 	}
-	return 0;
+	return 1;
 }
 
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)

net/ipv6/route.c

···
 	.dst = {
 		.__refcnt	= ATOMIC_INIT(1),
 		.__use		= 1,
-		.obsolete	= -1,
+		.obsolete	= DST_OBSOLETE_FORCE_CHK,
 		.error		= -ENETUNREACH,
 		.input		= ip6_pkt_discard,
 		.output		= ip6_pkt_discard_out,
···
 	.dst = {
 		.__refcnt	= ATOMIC_INIT(1),
 		.__use		= 1,
-		.obsolete	= -1,
+		.obsolete	= DST_OBSOLETE_FORCE_CHK,
 		.error		= -EACCES,
 		.input		= ip6_pkt_prohibit,
 		.output		= ip6_pkt_prohibit_out,
···
 	.dst = {
 		.__refcnt	= ATOMIC_INIT(1),
 		.__use		= 1,
-		.obsolete	= -1,
+		.obsolete	= DST_OBSOLETE_FORCE_CHK,
 		.error		= -EINVAL,
 		.input		= dst_discard,
 		.output		= dst_discard,
···
 					     struct fib6_table *table)
 {
 	struct rt6_info *rt = dst_alloc(&net->ipv6.ip6_dst_ops, dev,
-					0, DST_OBSOLETE_NONE, flags);
+					0, DST_OBSOLETE_FORCE_CHK, flags);
 
 	if (rt) {
 		struct dst_entry *dst = &rt->dst;
 
 		memset(dst + 1, 0, sizeof(*rt) - sizeof(*dst));
 		rt6_init_peer(rt, table ? &table->tb6_peers : net->ipv6.peers);
+		rt->rt6i_genid = rt_genid(net);
 	}
 	return rt;
 }
···
 
 	rt = (struct rt6_info *) dst;
 
+	/* All IPV6 dsts are created with ->obsolete set to the value
+	 * DST_OBSOLETE_FORCE_CHK which forces validation calls down
+	 * into this function always.
+	 */
+	if (rt->rt6i_genid != rt_genid(dev_net(rt->dst.dev)))
+		return NULL;
+
 	if (rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie)) {
 		if (rt->rt6i_peer_genid != rt6_peer_genid()) {
 			if (!rt6_has_peer(rt))
···
 		err = -ENOMEM;
 		goto out;
 	}
-
-	rt->dst.obsolete = -1;
 
 	if (cfg->fc_flags & RTF_EXPIRES)
 		rt6_set_expires(rt, jiffies +
···
 	rt->dst.input = ip6_input;
 	rt->dst.output = ip6_output;
 	rt->rt6i_idev = idev;
-	rt->dst.obsolete = -1;
 
 	rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP;
 	if (anycast)

net/l2tp/l2tp_netlink.c

···
 
 	hdr = genlmsg_put(msg, info->snd_portid, info->snd_seq,
 			  &l2tp_nl_family, 0, L2TP_CMD_NOOP);
-	if (IS_ERR(hdr)) {
-		ret = PTR_ERR(hdr);
+	if (!hdr) {
+		ret = -EMSGSIZE;
 		goto err_out;
 	}
 
···
 
 	hdr = genlmsg_put(skb, portid, seq, &l2tp_nl_family, flags,
 			  L2TP_CMD_TUNNEL_GET);
-	if (IS_ERR(hdr))
-		return PTR_ERR(hdr);
+	if (!hdr)
+		return -EMSGSIZE;
 
 	if (nla_put_u8(skb, L2TP_ATTR_PROTO_VERSION, tunnel->version) ||
 	    nla_put_u32(skb, L2TP_ATTR_CONN_ID, tunnel->tunnel_id) ||
···
 	sk = tunnel->sock;
 
 	hdr = genlmsg_put(skb, portid, seq, &l2tp_nl_family, flags, L2TP_CMD_SESSION_GET);
-	if (IS_ERR(hdr))
-		return PTR_ERR(hdr);
+	if (!hdr)
+		return -EMSGSIZE;
 
 	if (nla_put_u32(skb, L2TP_ATTR_CONN_ID, tunnel->tunnel_id) ||
 	    nla_put_u32(skb, L2TP_ATTR_SESSION_ID, session->session_id) ||

net/netfilter/xt_limit.c

···
 
 	/* For SMP, we only want to use one set of state. */
 	r->master = priv;
+	/* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
+	   128. */
+	priv->prev = jiffies;
+	priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
 	if (r->cost == 0) {
-		/* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
-		   128. */
-		priv->prev = jiffies;
-		priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
 		r->credit_cap = priv->credit; /* Credits full. */
 		r->cost = user2credits(r->avg);
 	}

net/netrom/af_netrom.c

···
 		if (!capable(CAP_NET_BIND_SERVICE)) {
 			dev_put(dev);
 			release_sock(sk);
-			return -EACCES;
+			return -EPERM;
 		}
 		nr->user_addr   = addr->fsa_digipeater[0];
 		nr->source_addr = addr->fsa_ax25.sax25_call;

net/sched/sch_qfq.c

···
 		if (mask) {
 			struct qfq_group *next = qfq_ffs(q, mask);
 			if (qfq_gt(roundedF, next->F)) {
-				cl->S = next->F;
+				if (qfq_gt(limit, next->F))
+					cl->S = next->F;
+				else /* preserve timestamp correctness */
+					cl->S = limit;
 				return;
 			}
 		}

net/wireless/reg.c

···
 	struct reg_regdb_search_request *request;
 	const struct ieee80211_regdomain *curdom, *regdom;
 	int i, r;
+	bool set_reg = false;
+
+	mutex_lock(&cfg80211_mutex);
 
 	mutex_lock(&reg_regdb_search_mutex);
 	while (!list_empty(&reg_regdb_search_list)) {
···
 				r = reg_copy_regd(&regdom, curdom);
 				if (r)
 					break;
-				mutex_lock(&cfg80211_mutex);
-				set_regdom(regdom);
-				mutex_unlock(&cfg80211_mutex);
+				set_reg = true;
 				break;
 			}
 		}
···
 		kfree(request);
 	}
 	mutex_unlock(&reg_regdb_search_mutex);
+
+	if (set_reg)
+		set_regdom(regdom);
+
+	mutex_unlock(&cfg80211_mutex);
 }
 
 static DECLARE_WORK(reg_regdb_work, reg_regdb_search);

net/xfrm/xfrm_policy.c

···
 	xfrm_pol_hold(policy);
 	net->xfrm.policy_count[dir]++;
 	atomic_inc(&flow_cache_genid);
+	rt_genid_bump(net);
 	if (delpol)
 		__xfrm_policy_unlink(delpol, dir);
 	policy->index = delpol ? delpol->index : xfrm_gen_index(net, dir);
···
 
 	if (!afinfo) {
 		dst_release(dst_orig);
-		ret = ERR_PTR(-EINVAL);
+		return ERR_PTR(-EINVAL);
 	} else {
 		ret = afinfo->blackhole_route(net, dst_orig);
 	}

net/xfrm/xfrm_user.c

···
 				struct nlattr **attrs)
 {
 	struct nlattr *rt = attrs[XFRMA_REPLAY_ESN_VAL];
+	struct xfrm_replay_state_esn *rs;
 
-	if ((p->flags & XFRM_STATE_ESN) && !rt)
-		return -EINVAL;
+	if (p->flags & XFRM_STATE_ESN) {
+		if (!rt)
+			return -EINVAL;
+
+		rs = nla_data(rt);
+
+		if (rs->bmp_len > XFRMA_REPLAY_ESN_MAX / sizeof(rs->bmp[0]) / 8)
+			return -EINVAL;
+
+		if (nla_len(rt) < xfrm_replay_state_esn_len(rs) &&
+		    nla_len(rt) != sizeof(*rs))
+			return -EINVAL;
+	}
 
 	if (!rt)
 		return 0;
···
 					 struct nlattr *rp)
 {
 	struct xfrm_replay_state_esn *up;
+	int ulen;
 
 	if (!replay_esn || !rp)
 		return 0;
 
 	up = nla_data(rp);
+	ulen = xfrm_replay_state_esn_len(up);
 
-	if (xfrm_replay_state_esn_len(replay_esn) !=
-			xfrm_replay_state_esn_len(up))
+	if (nla_len(rp) < ulen || xfrm_replay_state_esn_len(replay_esn) != ulen)
 		return -EINVAL;
 
 	return 0;
···
 				       struct nlattr *rta)
 {
 	struct xfrm_replay_state_esn *p, *pp, *up;
+	int klen, ulen;
 
 	if (!rta)
 		return 0;
 
 	up = nla_data(rta);
+	klen = xfrm_replay_state_esn_len(up);
+	ulen = nla_len(rta) >= klen ? klen : sizeof(*up);
 
-	p = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
+	p = kzalloc(klen, GFP_KERNEL);
 	if (!p)
 		return -ENOMEM;
 
-	pp = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
+	pp = kzalloc(klen, GFP_KERNEL);
 	if (!pp) {
 		kfree(p);
 		return -ENOMEM;
 	}
+
+	memcpy(p, up, ulen);
+	memcpy(pp, up, ulen);
 
 	*replay_esn = p;
 	*preplay_esn = pp;
···
  * somehow made shareable and move it to xfrm_state.c - JHS
  *
 */
-static void xfrm_update_ae_params(struct xfrm_state *x, struct nlattr **attrs)
+static void xfrm_update_ae_params(struct xfrm_state *x, struct nlattr **attrs,
+				  int update_esn)
 {
 	struct nlattr *rp = attrs[XFRMA_REPLAY_VAL];
-	struct nlattr *re = attrs[XFRMA_REPLAY_ESN_VAL];
+	struct nlattr *re = update_esn ? attrs[XFRMA_REPLAY_ESN_VAL] : NULL;
 	struct nlattr *lt = attrs[XFRMA_LTIME_VAL];
 	struct nlattr *et = attrs[XFRMA_ETIMER_THRESH];
 	struct nlattr *rt = attrs[XFRMA_REPLAY_THRESH];
···
 		goto error;
 
 	/* override default values from above */
-	xfrm_update_ae_params(x, attrs);
+	xfrm_update_ae_params(x, attrs, 0);
 
 	return x;
 
···
 
 static void copy_to_user_state(struct xfrm_state *x, struct xfrm_usersa_info *p)
 {
+	memset(p, 0, sizeof(*p));
 	memcpy(&p->id, &x->id, sizeof(p->id));
 	memcpy(&p->sel, &x->sel, sizeof(p->sel));
 	memcpy(&p->lft, &x->lft, sizeof(p->lft));
···
 		return -EMSGSIZE;
 
 	algo = nla_data(nla);
-	strcpy(algo->alg_name, auth->alg_name);
+	strncpy(algo->alg_name, auth->alg_name, sizeof(algo->alg_name));
 	memcpy(algo->alg_key, auth->alg_key, (auth->alg_key_len + 7) / 8);
 	algo->alg_key_len = auth->alg_key_len;
 
···
 {
 	struct xfrm_dump_info info;
 	struct sk_buff *skb;
+	int err;
 
 	skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
 	if (!skb)
···
 	info.nlmsg_seq = seq;
 	info.nlmsg_flags = 0;
 
-	if (dump_one_state(x, 0, &info)) {
+	err = dump_one_state(x, 0, &info);
+	if (err) {
 		kfree_skb(skb);
-		return NULL;
+		return ERR_PTR(err);
 	}
 
 	return skb;
···
 
 static void copy_to_user_policy(struct xfrm_policy *xp, struct xfrm_userpolicy_info *p, int dir)
 {
+	memset(p, 0, sizeof(*p));
 	memcpy(&p->sel, &xp->selector, sizeof(p->sel));
 	memcpy(&p->lft, &xp->lft, sizeof(p->lft));
 	memcpy(&p->curlft, &xp->curlft, sizeof(p->curlft));
···
 		struct xfrm_user_tmpl *up = &vec[i];
 		struct xfrm_tmpl *kp = &xp->xfrm_vec[i];
 
+		memset(up, 0, sizeof(*up));
 		memcpy(&up->id, &kp->id, sizeof(up->id));
 		up->family = kp->encap_family;
 		memcpy(&up->saddr, &kp->saddr, sizeof(up->saddr));
···
 {
 	struct xfrm_dump_info info;
 	struct sk_buff *skb;
+	int err;
 
 	skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
 	if (!skb)
···
 	info.nlmsg_seq = seq;
 	info.nlmsg_flags = 0;
 
-	if (dump_one_policy(xp, dir, 0, &info) < 0) {
+	err = dump_one_policy(xp, dir, 0, &info);
+	if (err) {
 		kfree_skb(skb);
-		return NULL;
+		return ERR_PTR(err);
 	}
 
 	return skb;
···
 		goto out;
 
 	spin_lock_bh(&x->lock);
-	xfrm_update_ae_params(x, attrs);
+	xfrm_update_ae_params(x, attrs, 1);
 	spin_unlock_bh(&x->lock);
 
 	c.event = nlh->nlmsg_type;

scripts/Makefile.fwinst

···
 installed-mod-fw := $(addprefix $(INSTALL_FW_PATH)/,$(mod-fw))
 
 installed-fw := $(addprefix $(INSTALL_FW_PATH)/,$(fw-shipped-all))
-installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/.
+installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/./
 
 # Workaround for make < 3.81, where .SECONDEXPANSION doesn't work.
 PHONY += $(INSTALL_FW_PATH)/$$(%) install-all-dirs
···
 $(installed-fw-dirs):
 	$(call cmd,mkdir)
 
-$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $$(dir $(INSTALL_FW_PATH)/%)
+$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $(INSTALL_FW_PATH)/$$(dir %)
 	$(call cmd,install)
 
 PHONY +=  __fw_install __fw_modinst FORCE

scripts/checksyscalls.sh

···
 syscall_list() {
     grep '^[0-9]' "$1" | sort -n | (
 	while read nr abi name entry ; do
-	    echo <<EOF
+	    cat <<EOF
 #if !defined(__NR_${name}) && !defined(__IGNORE_${name})
 #warning syscall ${name} not implemented
 #endif

security/selinux/include/xfrm.h

···
 static inline void selinux_xfrm_notify_policyload(void)
 {
 	atomic_inc(&flow_cache_genid);
+	rt_genid_bump(&init_net);
 }
 #else
 static inline int selinux_xfrm_enabled(void)

sound/pci/hda/hda_intel.c

···
 	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x81b3, "ASUS", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x81e7, "ASUS M2V", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1043, 0x1ac3, "ASUS X53S", POS_FIX_POSBUF),
 	SND_PCI_QUIRK(0x1043, 0x1b43, "ASUS K53E", POS_FIX_POSBUF),
 	SND_PCI_QUIRK(0x104d, 0x9069, "Sony VPCS11V9E", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x10de, 0xcb89, "Macbook Pro 7,1", POS_FIX_LPIB),

sound/soc/codecs/arizona.c

···
 	940800,
 	1411200,
 	1881600,
-	2882400,
+	2822400,
 	3763200,
 	5644800,
 	7526400,

sound/soc/codecs/mc13783.c

···
 		.id = MC13783_ID_STEREO_DAC,
 		.playback = {
 			.stream_name = "Playback",
-			.channels_min = 1,
+			.channels_min = 2,
 			.channels_max = 2,
 			.rates = SNDRV_PCM_RATE_8000_96000,
 			.formats = MC13783_FORMATS,
···
 		.id = MC13783_ID_STEREO_CODEC,
 		.capture = {
 			.stream_name = "Capture",
-			.channels_min = 1,
+			.channels_min = 2,
 			.channels_max = 2,
 			.rates = MC13783_RATES_RECORD,
 			.formats = MC13783_FORMATS,
···
 		.id = MC13783_ID_SYNC,
 		.playback = {
 			.stream_name = "Playback",
-			.channels_min = 1,
+			.channels_min = 2,
 			.channels_max = 2,
 			.rates = SNDRV_PCM_RATE_8000_96000,
 			.formats = MC13783_FORMATS,
 		},
 		.capture = {
 			.stream_name = "Capture",
-			.channels_min = 1,
+			.channels_min = 2,
 			.channels_max = 2,
 			.rates = MC13783_RATES_RECORD,
 			.formats = MC13783_FORMATS,

sound/soc/codecs/wm2000.c

···
 }
 
 static const struct regmap_config wm2000_regmap = {
-	.reg_bits = 8,
+	.reg_bits = 16,
 	.val_bits = 8,
 
 	.max_register = WM2000_REG_IF_CTL,

sound/soc/codecs/wm8904.c

···
 	{ 14,  0x0000 },     /* R14  - Power Management 2 */
 	{ 15,  0x0000 },     /* R15  - Power Management 3 */
 	{ 18,  0x0000 },     /* R18  - Power Management 6 */
-	{ 19,  0x945E },     /* R20  - Clock Rates 0 */
+	{ 20,  0x945E },     /* R20  - Clock Rates 0 */
 	{ 21,  0x0C05 },     /* R21  - Clock Rates 1 */
 	{ 22,  0x0006 },     /* R22  - Clock Rates 2 */
 	{ 24,  0x0050 },     /* R24  - Audio Interface 0 */

sound/soc/fsl/imx-sgtl5000.c

···
 		dev_err(&pdev->dev, "audmux internal port setup failed\n");
 		return ret;
 	}
-	imx_audmux_v2_configure_port(ext_port,
+	ret = imx_audmux_v2_configure_port(ext_port,
 			IMX_AUDMUX_V2_PTCR_SYN,
 			IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
 	if (ret) {

sound/soc/omap/am3517evm.c

···
 		return ret;
 	}
 
-	snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSX, 0,
+	ret = snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSX, 0,
 				SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		printk(KERN_ERR "can't set CPU system clock OMAP_MCBSP_FSR_SRC_FSX\n");

sound/soc/samsung/dma.c

···
 	.info			= SNDRV_PCM_INFO_INTERLEAVED |
 				    SNDRV_PCM_INFO_BLOCK_TRANSFER |
 				    SNDRV_PCM_INFO_MMAP |
-				    SNDRV_PCM_INFO_MMAP_VALID |
-				    SNDRV_PCM_INFO_PAUSE |
-				    SNDRV_PCM_INFO_RESUME,
+				    SNDRV_PCM_INFO_MMAP_VALID,
 	.formats		= SNDRV_PCM_FMTBIT_S16_LE |
 				    SNDRV_PCM_FMTBIT_U16_LE |
 				    SNDRV_PCM_FMTBIT_U8 |
···
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
-	case SNDRV_PCM_TRIGGER_RESUME:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 		prtd->state |= ST_RUNNING;
 		prtd->params->ops->trigger(prtd->params->ch);
 		break;
 
 	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 		prtd->state &= ~ST_RUNNING;
 		prtd->params->ops->stop(prtd->params->ch);
 		break;

sound/soc/soc-dapm.c

···
 		if (dapm->codec->driver->set_bias_level)
 			ret = dapm->codec->driver->set_bias_level(dapm->codec,
 								  level);
-	} else
+		else
+			dapm->bias_level = level;
+	} else if (!card || dapm != &card->dapm) {
 		dapm->bias_level = level;
+	}
 
 	if (ret != 0)
 		goto out;

sound/soc/spear/spear_pcm.c

···
 			continue;
 
 		buf = &substream->dma_buffer;
-		if (!buf && !buf->area)
+		if (!buf || !buf->area)
 			continue;
 
 		dma_free_writecombine(pcm->card->dev, buf->bytes,

sound/soc/tegra/tegra_alc5632.c

···
 	.name = "Headset detection",
 	.report = SND_JACK_HEADSET,
 	.debounce_time = 150,
-	.invert = 1,
 };
 
 static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = {

sound/soc/tegra/tegra_pcm.c

···
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		slave_config.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 		slave_config.dst_addr = dmap->addr;
-		slave_config.src_maxburst = 0;
+		slave_config.dst_maxburst = 4;
 	} else {
 		slave_config.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 		slave_config.src_addr = dmap->addr;
-		slave_config.dst_maxburst = 0;
+		slave_config.src_maxburst = 4;
 	}
 	slave_config.slave_id = dmap->req_sel;
 

sound/soc/ux500/ux500_msp_i2s.c

···
 			struct ux500_msp **msp_p,
 			struct msp_i2s_platform_data *platform_data)
 {
-	int ret = 0;
 	struct resource *res = NULL;
 	struct i2s_controller *i2s_cont;
 	struct ux500_msp *msp;
···
 	if (res == NULL) {
 		dev_err(&pdev->dev, "%s: ERROR: Unable to get resource!\n",
 			__func__);
-		ret = -ENOMEM;
-		goto err_res;
+		return -ENOMEM;
 	}
 
-	msp->registers = ioremap(res->start, (res->end - res->start + 1));
+	msp->registers = devm_ioremap(&pdev->dev, res->start,
+				      resource_size(res));
 	if (msp->registers == NULL) {
 		dev_err(&pdev->dev, "%s: ERROR: ioremap failed!\n", __func__);
-		ret = -ENOMEM;
-		goto err_res;
+		return -ENOMEM;
 	}
 
 	msp->msp_state = MSP_STATE_IDLE;
···
 		dev_err(&pdev->dev,
 			"%s: ERROR: Failed to allocate I2S-controller!\n",
 			__func__);
-		goto err_i2s_cont;
+		return -ENOMEM;
 	}
 	i2s_cont->dev.parent = &pdev->dev;
 	i2s_cont->data = (void *)msp;
···
 	msp->i2s_cont = i2s_cont;
 
 	return 0;
-
-err_i2s_cont:
-	iounmap(msp->registers);
-
-err_res:
-	devm_kfree(&pdev->dev, msp);
-
-	return ret;
 }
 
 void ux500_msp_i2s_cleanup_msp(struct platform_device *pdev,
···
 	dev_dbg(msp->dev, "%s: Enter (id = %d).\n", __func__, msp->id);
 
 	device_unregister(&msp->i2s_cont->dev);
-	devm_kfree(&pdev->dev, msp->i2s_cont);
-
-	iounmap(msp->registers);
-
-	devm_kfree(&pdev->dev, msp);
 }
 
 MODULE_LICENSE("GPL v2");

sound/usb/endpoint.c

···
 			/* no data provider, so send silence */
 			unsigned int offs = 0;
 			for (i = 0; i < ctx->packets; ++i) {
-				int counts = ctx->packet_size[i];
+				int counts;
+
+				if (ctx->packet_size[i])
+					counts = ctx->packet_size[i];
+				else
+					counts = snd_usb_endpoint_next_packet_size(ep);
+
 				urb->iso_frame_desc[i].offset = offs * ep->stride;
 				urb->iso_frame_desc[i].length = counts * ep->stride;
 				offs += counts;