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

Documentation/DocBook/media/v4l/compat.xml

···
       </orderedlist>
     </section>
 
+    <section>
+      <title>V4L2 in Linux 3.16</title>
+      <orderedlist>
+        <listitem>
+	  <para>Added event V4L2_EVENT_SOURCE_CHANGE.
+	  </para>
+        </listitem>
+      </orderedlist>
+    </section>
+
+    <section>
+      <title>V4L2 in Linux 3.17</title>
+      <orderedlist>
+        <listitem>
+	  <para>Extended &v4l2-pix-format;. Added format flags.
+	  </para>
+        </listitem>
+        <listitem>
+	  <para>Added compound control types and &VIDIOC-QUERY-EXT-CTRL;.
+	  </para>
+        </listitem>
+      </orderedlist>
+    </section>
+
     <section id="other">
       <title>Relation of V4L2 to other Linux multimedia APIs</title>
 

Documentation/DocBook/media/v4l/func-poll.xml

···
 to accept data for output.</para>
 
     <para>When streaming I/O has been negotiated this function waits
-until a buffer has been filled or displayed and can be dequeued with
-the &VIDIOC-DQBUF; ioctl. When buffers are already in the outgoing
-queue of the driver the function returns immediately.</para>
+until a buffer has been filled by the capture device and can be dequeued
+with the &VIDIOC-DQBUF; ioctl. For output devices this function waits
+until the device is ready to accept a new buffer to be queued up with
+the &VIDIOC-QBUF; ioctl for display. When buffers are already in the outgoing
+queue of the driver (capture) or the incoming queue isn't full (display)
+the function returns immediately.</para>
 
     <para>On success <function>poll()</function> returns the number of
 file descriptors that have been selected (that is, file descriptors
···
 flags. When the function timed out it returns a value of zero, on
 failure it returns <returnvalue>-1</returnvalue> and the
 <varname>errno</varname> variable is set appropriately. When the
-application did not call &VIDIOC-QBUF; or &VIDIOC-STREAMON; yet the
+application did not call &VIDIOC-STREAMON; the
 <function>poll()</function> function succeeds, but sets the
 <constant>POLLERR</constant> flag in the
-<structfield>revents</structfield> field.</para>
+<structfield>revents</structfield> field. When the
+application has called &VIDIOC-STREAMON; for a capture device but hasn't
+yet called &VIDIOC-QBUF;, the <function>poll()</function> function
+succeeds and sets the <constant>POLLERR</constant> flag in the
+<structfield>revents</structfield> field. For output devices this
+same situation will cause <function>poll()</function> to succeed
+as well, but it sets the <constant>POLLOUT</constant> and
+<constant>POLLWRNORM</constant> flags in the <structfield>revents</structfield>
+field.</para>
+
+    <para>If an event occurred (see &VIDIOC-DQEVENT;) then
+<constant>POLLPRI</constant> will be set in the <structfield>revents</structfield>
+field and <function>poll()</function> will return.</para>
 
     <para>When use of the <function>read()</function> function has
 been negotiated and the driver does not capture yet, the
···
 may return immediately.</para>
 
     <para>When use of the <function>write()</function> function has
-been negotiated the <function>poll</function> function just waits
+been negotiated and the driver does not stream yet, the
+<function>poll</function> function starts streaming. When that fails
+it returns a <constant>POLLERR</constant> as above. Otherwise it waits
 until the driver is ready for a non-blocking
 <function>write()</function> call.</para>
+
+    <para>If the caller is only interested in events (just
+<constant>POLLPRI</constant> is set in the <structfield>events</structfield>
+field), then <function>poll()</function> will <emphasis>not</emphasis>
+start streaming if the driver does not stream yet. This makes it
+possible to just poll for events and not for buffers.</para>
 
     <para>All drivers implementing the <function>read()</function> or
 <function>write()</function> function or streaming I/O must also

Documentation/DocBook/media/v4l/v4l2.xml

···
 applications. -->
 
       <revision>
-	<revnumber>3.16</revnumber>
-	<date>2014-05-27</date>
-	<authorinitials>lp</authorinitials>
-	<revremark>Extended &v4l2-pix-format;. Added format flags.
+	<revnumber>3.17</revnumber>
+	<date>2014-08-04</date>
+	<authorinitials>lp, hv</authorinitials>
+	<revremark>Extended &v4l2-pix-format;. Added format flags. Added compound control types
+and VIDIOC_QUERY_EXT_CTRL.
 	</revremark>
       </revision>
 
···
 </partinfo>
 
 <title>Video for Linux Two API Specification</title>
- <subtitle>Revision 3.14</subtitle>
+ <subtitle>Revision 3.17</subtitle>
 
   <chapter id="common">
     &sub-common;

Documentation/DocBook/media/v4l/vidioc-subdev-g-selection.xml

···
 	  </row>
 	  <row>
 	    <entry>&v4l2-rect;</entry>
-	    <entry><structfield>rect</structfield></entry>
+	    <entry><structfield>r</structfield></entry>
 	    <entry>Selection rectangle, in pixels.</entry>
 	  </row>
 	  <row>

arch/ia64/configs/bigsur_defconfig

···
-CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_LOG_BUF_SHIFT=16
···
 CONFIG_OPROFILE=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_SGI_PARTITION=y
 CONFIG_IA64_DIG=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2
···
 CONFIG_DM_ZERO=m
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
-CONFIG_NET_ETHERNET=y
-CONFIG_MII=y
-CONFIG_NET_PCI=y
 CONFIG_INPUT_EVDEV=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
···
 CONFIG_XFS_FS=y
 CONFIG_XFS_QUOTA=y
 CONFIG_XFS_POSIX_ACL=y
-CONFIG_AUTOFS_FS=m
 CONFIG_AUTOFS4_FS=m
 CONFIG_ISO9660_FS=m
 CONFIG_JOLIET=y
···
 CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_NFS_FS=m
-CONFIG_NFS_V3=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
 CONFIG_NFSD=m
 CONFIG_NFSD_V4=y
 CONFIG_CIFS=m
 CONFIG_CIFS_STATS=y
 CONFIG_CIFS_XATTR=y
 CONFIG_CIFS_POSIX=y
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_SGI_PARTITION=y
-CONFIG_EFI_PARTITION=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 CONFIG_NLS_UTF8=m

arch/ia64/configs/generic_defconfig

···
-CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_IKCONFIG=y
···
 CONFIG_LOG_BUF_SHIFT=20
 CONFIG_CGROUPS=y
 CONFIG_CPUSETS=y
-CONFIG_SYSFS_DEPRECATED_V2=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODVERSIONS=y
-# CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_SGI_PARTITION=y
 CONFIG_MCKINLEY=y
 CONFIG_IA64_PAGE_SIZE_64KB=y
 CONFIG_IA64_CYCLONE=y
···
 CONFIG_ACPI_FAN=m
 CONFIG_ACPI_DOCK=y
 CONFIG_ACPI_PROCESSOR=m
-CONFIG_ACPI_CONTAINER=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_ACPI=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
-CONFIG_ARPD=y
 CONFIG_SYN_COOKIES=y
 # CONFIG_IPV6 is not set
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
···
 CONFIG_FUSION_SAS=y
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=m
-CONFIG_NET_ETHERNET=y
+CONFIG_NETCONSOLE=y
+CONFIG_TIGON3=y
 CONFIG_NET_TULIP=y
 CONFIG_TULIP=m
-CONFIG_NET_PCI=y
-CONFIG_NET_VENDOR_INTEL=y
 CONFIG_E100=m
 CONFIG_E1000=y
 CONFIG_IGB=y
-CONFIG_TIGON3=y
-CONFIG_NETCONSOLE=y
 # CONFIG_SERIO_SERPORT is not set
 CONFIG_GAMEPORT=m
 CONFIG_SERIAL_NONSTANDARD=y
···
 CONFIG_INFINIBAND=m
 CONFIG_INFINIBAND_MTHCA=m
 CONFIG_INFINIBAND_IPOIB=m
+CONFIG_INTEL_IOMMU=y
 CONFIG_MSPEC=m
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
···
 CONFIG_REISERFS_FS_POSIX_ACL=y
 CONFIG_REISERFS_FS_SECURITY=y
 CONFIG_XFS_FS=y
-CONFIG_AUTOFS_FS=m
 CONFIG_AUTOFS4_FS=m
 CONFIG_ISO9660_FS=m
 CONFIG_JOLIET=y
···
 CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_NFS_FS=m
-CONFIG_NFS_V3=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
 CONFIG_NFSD=m
 CONFIG_NFSD_V4=y
-CONFIG_SMB_FS=m
-CONFIG_SMB_NLS_DEFAULT=y
 CONFIG_CIFS=m
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_SGI_PARTITION=y
-CONFIG_EFI_PARTITION=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_CODEPAGE_737=m
 CONFIG_NLS_CODEPAGE_775=m
···
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_MUTEXES=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
-CONFIG_SYSCTL_SYSCALL_CHECK=y
-CONFIG_CRYPTO_ECB=m
 CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRC_T10DIF=y
-CONFIG_INTEL_IOMMU=y

arch/ia64/configs/gensparse_defconfig

···
-CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_IKCONFIG=y
···
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODVERSIONS=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_SGI_PARTITION=y
 CONFIG_MCKINLEY=y
 CONFIG_IA64_CYCLONE=y
 CONFIG_SMP=y
···
 CONFIG_ACPI_BUTTON=m
 CONFIG_ACPI_FAN=m
 CONFIG_ACPI_PROCESSOR=m
-CONFIG_ACPI_CONTAINER=m
 CONFIG_HOTPLUG_PCI=y
-CONFIG_HOTPLUG_PCI_ACPI=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
-CONFIG_ARPD=y
 CONFIG_SYN_COOKIES=y
 # CONFIG_IPV6 is not set
 CONFIG_BLK_DEV_LOOP=m
···
 CONFIG_FUSION_FC=m
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=m
-CONFIG_NET_ETHERNET=y
+CONFIG_NETCONSOLE=y
+CONFIG_TIGON3=y
 CONFIG_NET_TULIP=y
 CONFIG_TULIP=m
-CONFIG_NET_PCI=y
-CONFIG_NET_VENDOR_INTEL=y
 CONFIG_E100=m
 CONFIG_E1000=y
-CONFIG_TIGON3=y
-CONFIG_NETCONSOLE=y
 # CONFIG_SERIO_SERPORT is not set
 CONFIG_GAMEPORT=m
 CONFIG_SERIAL_NONSTANDARD=y
···
 CONFIG_REISERFS_FS_POSIX_ACL=y
 CONFIG_REISERFS_FS_SECURITY=y
 CONFIG_XFS_FS=y
-CONFIG_AUTOFS_FS=y
 CONFIG_AUTOFS4_FS=y
 CONFIG_ISO9660_FS=m
 CONFIG_JOLIET=y
···
 CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_NFS_FS=m
-CONFIG_NFS_V3=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
 CONFIG_NFSD=m
 CONFIG_NFSD_V4=y
-CONFIG_SMB_FS=m
-CONFIG_SMB_NLS_DEFAULT=y
 CONFIG_CIFS=m
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_SGI_PARTITION=y
-CONFIG_EFI_PARTITION=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_CODEPAGE_737=m
 CONFIG_NLS_CODEPAGE_775=m

arch/ia64/configs/sim_defconfig

···
-CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=16
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_MODVERSIONS=y
+CONFIG_PARTITION_ADVANCED=y
 CONFIG_IA64_HP_SIM=y
 CONFIG_MCKINLEY=y
 CONFIG_IA64_PAGE_SIZE_64KB=y
···
 CONFIG_BLK_DEV_RAM=y
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
-CONFIG_SCSI_MULTI_LUN=y
 CONFIG_SCSI_CONSTANTS=y
 CONFIG_SCSI_LOGGING=y
 CONFIG_SCSI_SPI_ATTRS=y
···
 CONFIG_NFS_FS=y
 CONFIG_NFSD=y
 CONFIG_NFSD_V3=y
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_EFI_PARTITION=y
+CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_MUTEXES=y
-CONFIG_DEBUG_INFO=y

arch/ia64/configs/tiger_defconfig

···
-CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_IKCONFIG=y
···
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
 # CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_SGI_PARTITION=y
 CONFIG_IA64_DIG=y
 CONFIG_MCKINLEY=y
 CONFIG_IA64_PAGE_SIZE_64KB=y
···
 CONFIG_ACPI_BUTTON=m
 CONFIG_ACPI_FAN=m
 CONFIG_ACPI_PROCESSOR=m
-CONFIG_ACPI_CONTAINER=m
 CONFIG_HOTPLUG_PCI=y
-CONFIG_HOTPLUG_PCI_ACPI=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
-CONFIG_ARPD=y
 CONFIG_SYN_COOKIES=y
 # CONFIG_IPV6 is not set
 CONFIG_BLK_DEV_LOOP=m
···
 CONFIG_CHR_DEV_ST=m
 CONFIG_BLK_DEV_SR=m
 CONFIG_CHR_DEV_SG=m
+CONFIG_SCSI_FC_ATTRS=y
 CONFIG_SCSI_SYM53C8XX_2=y
 CONFIG_SCSI_QLOGIC_1280=y
 CONFIG_MD=y
···
 CONFIG_FUSION_CTL=y
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=m
-CONFIG_NET_ETHERNET=y
+CONFIG_NETCONSOLE=y
+CONFIG_TIGON3=y
 CONFIG_NET_TULIP=y
 CONFIG_TULIP=m
-CONFIG_NET_PCI=y
-CONFIG_NET_VENDOR_INTEL=y
 CONFIG_E100=m
 CONFIG_E1000=y
-CONFIG_TIGON3=y
-CONFIG_NETCONSOLE=y
 # CONFIG_SERIO_SERPORT is not set
 CONFIG_GAMEPORT=m
 CONFIG_SERIAL_NONSTANDARD=y
···
 CONFIG_REISERFS_FS_POSIX_ACL=y
 CONFIG_REISERFS_FS_SECURITY=y
 CONFIG_XFS_FS=y
-CONFIG_AUTOFS_FS=y
 CONFIG_AUTOFS4_FS=y
 CONFIG_ISO9660_FS=m
 CONFIG_JOLIET=y
···
 CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_NFS_FS=m
-CONFIG_NFS_V3=y
-CONFIG_NFS_V4=y
+CONFIG_NFS_V4=m
 CONFIG_NFSD=m
 CONFIG_NFSD_V4=y
-CONFIG_SMB_FS=m
-CONFIG_SMB_NLS_DEFAULT=y
 CONFIG_CIFS=m
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_SGI_PARTITION=y
-CONFIG_EFI_PARTITION=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_CODEPAGE_737=m
 CONFIG_NLS_CODEPAGE_775=m
···
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_MUTEXES=y
 CONFIG_IA64_GRANULE_16MB=y
-CONFIG_CRYPTO_ECB=m
 CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_MD5=y

arch/ia64/configs/zx1_defconfig

···
-CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_KPROBES=y
 CONFIG_MODULES=y
+CONFIG_PARTITION_ADVANCED=y
 CONFIG_IA64_HP_ZX1=y
 CONFIG_MCKINLEY=y
 CONFIG_SMP=y
···
 CONFIG_BINFMT_MISC=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_ACPI=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_INET=y
···
 CONFIG_BLK_DEV_SR=y
 CONFIG_BLK_DEV_SR_VENDOR=y
 CONFIG_CHR_DEV_SG=y
-CONFIG_SCSI_MULTI_LUN=y
 CONFIG_SCSI_CONSTANTS=y
 CONFIG_SCSI_LOGGING=y
+CONFIG_SCSI_FC_ATTRS=y
 CONFIG_SCSI_SYM53C8XX_2=y
 CONFIG_SCSI_QLOGIC_1280=y
 CONFIG_FUSION=y
···
 CONFIG_FUSION_CTL=m
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
-CONFIG_NET_ETHERNET=y
+CONFIG_TIGON3=y
 CONFIG_NET_TULIP=y
 CONFIG_TULIP=y
 CONFIG_TULIP_MWI=y
 CONFIG_TULIP_MMIO=y
 CONFIG_TULIP_NAPI=y
 CONFIG_TULIP_NAPI_HW_MITIGATION=y
-CONFIG_NET_PCI=y
-CONFIG_NET_VENDOR_INTEL=y
 CONFIG_E100=y
 CONFIG_E1000=y
-CONFIG_TIGON3=y
 CONFIG_INPUT_JOYDEV=y
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_KEYBOARD is not set
···
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT3_FS=y
-CONFIG_AUTOFS_FS=y
 CONFIG_ISO9660_FS=y
 CONFIG_JOLIET=y
 CONFIG_UDF_FS=y
···
 CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
 CONFIG_NFS_V4=y
 CONFIG_NFSD=y
 CONFIG_NFSD_V3=y
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_EFI_PARTITION=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_CODEPAGE_737=y
 CONFIG_NLS_CODEPAGE_775=y

arch/mips/configs/gpr_defconfig

···
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_PCI=y
 CONFIG_BINFMT_MISC=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_INET=y

arch/mips/configs/ip27_defconfig

···
 CONFIG_MIPS32_O32=y
 CONFIG_MIPS32_N32=y
 CONFIG_PM=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/mips/configs/jazz_defconfig

···
 CONFIG_MODVERSIONS=y
 CONFIG_BINFMT_MISC=m
 CONFIG_PM=y
+CONFIG_NET=y
 CONFIG_PACKET=m
 CONFIG_UNIX=y
 CONFIG_NET_KEY=m

arch/mips/configs/loongson3_defconfig

···
 CONFIG_MIPS32_O32=y
 CONFIG_MIPS32_N32=y
 CONFIG_PM_RUNTIME=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=y

arch/mips/configs/malta_defconfig

···
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_PCI=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/mips/configs/malta_kvm_defconfig

···
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_PCI=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/mips/configs/malta_kvm_guest_defconfig

···
 CONFIG_MODVERSIONS=y
 CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_PCI=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/mips/configs/mtx1_defconfig

···
 CONFIG_I82092=m
 CONFIG_BINFMT_MISC=m
 CONFIG_PM=y
+CONFIG_NET=y
 CONFIG_PACKET=m
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/mips/configs/nlm_xlp_defconfig

···
 CONFIG_MIPS32_N32=y
 CONFIG_PM_RUNTIME=y
 CONFIG_PM_DEBUG=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/mips/configs/nlm_xlr_defconfig

···
 CONFIG_BINFMT_MISC=m
 CONFIG_PM_RUNTIME=y
 CONFIG_PM_DEBUG=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/mips/configs/rm200_defconfig

···
 CONFIG_PCI=y
 CONFIG_BINFMT_MISC=m
 CONFIG_PM=y
+CONFIG_NET=y
 CONFIG_PACKET=m
 CONFIG_UNIX=y
 CONFIG_NET_KEY=m

arch/parisc/Makefile

···
 
 # These flags should be implied by an hppa-linux configuration, but they
 # are not in gcc 3.2.
-cflags-y	+= -mno-space-regs -mfast-indirect-calls
+cflags-y	+= -mno-space-regs
+
+# -mfast-indirect-calls is only relevant for 32-bit kernels.
+ifndef CONFIG_64BIT
+cflags-y	+= -mfast-indirect-calls
+endif
 
 # Currently we save and restore fpregs on all kernel entry/interruption paths.
 # If that gets optimized, we might need to disable the use of fpregs in the

arch/parisc/configs/a500_defconfig

···
 CONFIG_I82092=m
 # CONFIG_SUPERIO is not set
 # CONFIG_CHASSIS_LCD_LED is not set
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/parisc/configs/c8000_defconfig

···
 # CONFIG_PDC_CHASSIS_WARN is not set
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/parisc/kernel/ptrace.c

···
 #include <linux/user.h>
 #include <linux/personality.h>
 #include <linux/security.h>
+#include <linux/seccomp.h>
 #include <linux/compat.h>
 #include <linux/signal.h>
 #include <linux/audit.h>
···
 	long ret = 0;
 
 	/* Do the secure computing check first. */
-	if (secure_computing(regs->gr[20])) {
-		/* seccomp failures shouldn't expose any additional code. */
-		return -1;
-	}
+	secure_computing_strict(regs->gr[20]);
 
 	if (test_thread_flag(TIF_SYSCALL_TRACE) &&
 	    tracehook_report_syscall_entry(regs))

arch/powerpc/configs/c2k_defconfig

···
 CONFIG_PCI_MSI=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_SHPC=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=y

arch/powerpc/configs/pmac32_defconfig

···
 CONFIG_APM_EMULATION=y
 CONFIG_PCCARD=m
 CONFIG_YENTA=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=y

arch/powerpc/configs/ppc64_defconfig

···
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_RPA=m
 CONFIG_HOTPLUG_PCI_RPA_DLPAR=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/powerpc/configs/ppc64e_defconfig

···
 CONFIG_PCI_MSI=y
 CONFIG_PCCARD=y
 CONFIG_HOTPLUG_PCI=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/powerpc/configs/pseries_defconfig

···
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_RPA=m
 CONFIG_HOTPLUG_PCI_RPA_DLPAR=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/powerpc/configs/pseries_le_defconfig

···
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_RPA=m
 CONFIG_HOTPLUG_PCI_RPA_DLPAR=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/s390/configs/default_defconfig

···
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
 CONFIG_HIBERNATION=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
 CONFIG_UNIX=y

arch/s390/configs/gcov_defconfig

···
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
 CONFIG_HIBERNATION=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
 CONFIG_UNIX=y

arch/s390/configs/performance_defconfig

···
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
 CONFIG_HIBERNATION=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
 CONFIG_UNIX=y

arch/s390/configs/zfcpdump_defconfig

···
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 # CONFIG_SECCOMP is not set
 # CONFIG_IUCV is not set
+CONFIG_NET=y
 CONFIG_ATM=y
 CONFIG_ATM_LANE=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"

arch/s390/defconfig

···
 CONFIG_CRASH_DUMP=y
 CONFIG_BINFMT_MISC=m
 CONFIG_HIBERNATION=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_NET_KEY=y

arch/sh/configs/sdk7780_defconfig

···
 CONFIG_PCCARD=y
 CONFIG_YENTA=y
 CONFIG_HOTPLUG_PCI=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_INET=y

arch/sh/configs/sh2007_defconfig

···
 CONFIG_CMDLINE="console=ttySC1,115200 ip=dhcp root=/dev/nfs rw nfsroot=/nfs/rootfs,rsize=1024,wsize=1024 earlyprintk=sh-sci.1"
 CONFIG_PCCARD=y
 CONFIG_BINFMT_MISC=y
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=y

arch/sparc/configs/sparc64_defconfig

···
 CONFIG_PCI_MSI=y
 CONFIG_SUN_OPENPROMFS=m
 CONFIG_BINFMT_MISC=m
+CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_XFRM_USER=m

arch/sparc/net/bpf_jit_asm.S

···
 #define SAVE_SZ		176
 #define SCRATCH_OFF	STACK_BIAS + 128
 #define BE_PTR(label)	be,pn %xcc, label
+#define SIGN_EXTEND(reg)	sra reg, 0, reg
 #else
 #define SAVE_SZ		96
 #define SCRATCH_OFF	72
 #define BE_PTR(label)	be label
+#define SIGN_EXTEND(reg)
 #endif
 
 #define SKF_MAX_NEG_OFF	(-0x200000) /* SKF_LL_OFF from filter.h */
···
 	save	%sp, -SAVE_SZ, %sp;			\
 	mov	%i0, %o0;				\
 	mov	r_OFF, %o1;				\
+	SIGN_EXTEND(%o1);				\
 	call	bpf_internal_load_pointer_neg_helper;	\
 	 mov	(LEN), %o2;				\
 	mov	%o0, r_TMP;				\

arch/sparc/net/bpf_jit_comp.c

···
 	 */
 #define emit_alu_K(OPCODE, K)					\
 do {								\
-	if (K) {						\
+	if (K || OPCODE == AND || OPCODE == MUL) {		\
 		unsigned int _insn = OPCODE;			\
 		_insn |= RS1(r_A) | RD(r_A);			\
 		if (is_simm13(K)) {				\

arch/x86/boot/compressed/head_32.S

···
 #include <asm/boot.h>
 #include <asm/asm-offsets.h>
 
-/*
- * Adjust our own GOT
- *
- * The relocation base must be in %ebx
- *
- * It is safe to call this macro more than once, because in some of the
- * code paths multiple invocations are inevitable, e.g. via the efi*
- * entry points.
- *
- * Relocation is only performed the first time.
- */
-.macro FIXUP_GOT
-	cmpb	$1, got_fixed(%ebx)
-	je	2f
-
-	leal	_got(%ebx), %edx
-	leal	_egot(%ebx), %ecx
-1:
-	cmpl	%ecx, %edx
-	jae	2f
-	addl	%ebx, (%edx)
-	addl	$4, %edx
-	jmp	1b
-2:
-	movb	$1, got_fixed(%ebx)
-.endm
-
 	__HEAD
 ENTRY(startup_32)
 #ifdef CONFIG_EFI_STUB
···
 	add	%esi, 88(%eax)
 	pushl	%eax
 
-	movl	%esi, %ebx
-	FIXUP_GOT
-
 	call	make_boot_params
 	cmpl	$0, %eax
 	je	fail
···
 	leal	efi32_config(%esi), %eax
 	add	%esi, 88(%eax)
 	pushl	%eax
-
-	movl	%esi, %ebx
-	FIXUP_GOT
-
 2:
 	call	efi_main
 	cmpl	$0, %eax
···
 	shrl	$2, %ecx
 	rep	stosl
 
-	FIXUP_GOT
+/*
+ * Adjust our own GOT
+ */
+	leal	_got(%ebx), %edx
+	leal	_egot(%ebx), %ecx
+1:
+	cmpl	%ecx, %edx
+	jae	2f
+	addl	%ebx, (%edx)
+	addl	$4, %edx
+	jmp	1b
+2:
+
 /*
  * Do the decompression, and jump to the new kernel..
  */
···
 	xorl	%ebx, %ebx
 	jmp	*%eax
 
-	.data
-/* Have we relocated the GOT? */
-got_fixed:
-	.byte 0
-
 #ifdef CONFIG_EFI_STUB
+	.data
 efi32_config:
 	.fill 11,8,0
 	.long efi_call_phys

arch/x86/boot/compressed/head_64.S

···
 #include <asm/processor-flags.h>
 #include <asm/asm-offsets.h>
 
-/*
- * Adjust our own GOT
- *
- * The relocation base must be in %rbx
- *
- * It is safe to call this macro more than once, because in some of the
- * code paths multiple invocations are inevitable, e.g. via the efi*
- * entry points.
- *
- * Relocation is only performed the first time.
- */
-.macro FIXUP_GOT
-	cmpb	$1, got_fixed(%rip)
-	je	2f
-
-	leaq	_got(%rip), %rdx
-	leaq	_egot(%rip), %rcx
-1:
-	cmpq	%rcx, %rdx
-	jae	2f
-	addq	%rbx, (%rdx)
-	addq	$8, %rdx
-	jmp	1b
-2:
-	movb	$1, got_fixed(%rip)
-.endm
-
 	__HEAD
 	.code32
 ENTRY(startup_32)
···
 	subq	$1b, %rbp
 
 	/*
-	 * Relocate efi_config->call() and the GOT entries.
+	 * Relocate efi_config->call().
 	 */
 	addq	%rbp, efi64_config+88(%rip)
-
-	movq	%rbp, %rbx
-	FIXUP_GOT
 
 	movq	%rax, %rdi
 	call	make_boot_params
···
 	subq	$1b, %rbp
 
 	/*
-	 * Relocate efi_config->call() and the GOT entries.
+	 * Relocate efi_config->call().
 	 */
 	movq	efi_config(%rip), %rax
 	addq	%rbp, 88(%rax)
-
-	movq	%rbp, %rbx
-	FIXUP_GOT
 2:
 	movq	efi_config(%rip), %rdi
 	call	efi_main
···
 	shrq	$3, %rcx
 	rep	stosq
 
-	FIXUP_GOT
-
+/*
+ * Adjust our own GOT
+ */
+	leaq	_got(%rip), %rdx
+	leaq	_egot(%rip), %rcx
+1:
+	cmpq	%rcx, %rdx
+	jae	2f
+	addq	%rbx, (%rdx)
+	addq	$8, %rdx
+	jmp	1b
+2:
+	
 /*
  * Do the decompression, and jump to the new kernel..
  */
···
 	.quad	0x0080890000000000	/* TS descriptor */
 	.quad   0x0000000000000000	/* TS continued */
 gdt_end:
-
-/* Have we relocated the GOT? */
-got_fixed:
-	.byte	0
 
 #ifdef CONFIG_EFI_STUB
 efi_config:

arch/x86/crypto/aesni-intel_glue.c

···
 	crypto_inc(ctrblk, AES_BLOCK_SIZE);
 }
 
-#ifdef CONFIG_AS_AVX
+#if 0	/* temporary disabled due to failing crypto tests */
 static void aesni_ctr_enc_avx_tfm(struct crypto_aes_ctx *ctx, u8 *out,
 			      const u8 *in, unsigned int len, u8 *iv)
 {
···
 		aesni_gcm_dec_tfm = aesni_gcm_dec;
 	}
 	aesni_ctr_enc_tfm = aesni_ctr_enc;
-#ifdef CONFIG_AS_AVX
+#if 0	/* temporary disabled due to failing crypto tests */
 	if (cpu_has_avx) {
 		/* optimize performance of ctr mode encryption transform */
 		aesni_ctr_enc_tfm = aesni_ctr_enc_avx_tfm;

block/blk-exec.c

···
 	bool is_pm_resume;
 
 	WARN_ON(irqs_disabled());
+	WARN_ON(rq->cmd_type == REQ_TYPE_FS);
 
 	rq->rq_disk = bd_disk;
 	rq->end_io = done;

block/blk-mq.c

···
 	spin_unlock_irq(q->queue_lock);
 
 	if (freeze) {
-		percpu_ref_kill(&q->mq_usage_counter);
+		/*
+		 * XXX: Temporary kludge to work around SCSI blk-mq stall.
+		 * SCSI synchronously creates and destroys many queues
+		 * back-to-back during probe leading to lengthy stalls.
+		 * This will be fixed by keeping ->mq_usage_counter in
+		 * atomic mode until genhd registration, but, for now,
+		 * let's work around using expedited synchronization.
+		 */
+		__percpu_ref_kill_expedited(&q->mq_usage_counter);
+
 		blk_mq_run_queues(q, false);
 	}
 	wait_event(q->mq_freeze_wq, percpu_ref_is_zero(&q->mq_usage_counter));
···
 	if (tag != BLK_MQ_TAG_FAIL) {
 		rq = data->hctx->tags->rqs[tag];
 
-		rq->cmd_flags = 0;
 		if (blk_mq_tag_busy(data->hctx)) {
 			rq->cmd_flags = REQ_MQ_INFLIGHT;
 			atomic_inc(&data->hctx->nr_active);
···
 
 	if (rq->cmd_flags & REQ_MQ_INFLIGHT)
 		atomic_dec(&hctx->nr_active);
+	rq->cmd_flags = 0;
 
 	clear_bit(REQ_ATOM_STARTED, &rq->atomic_flags);
 	blk_mq_put_tag(hctx, tag, &ctx->last_tag);
···
 	blk_add_timer(rq);
 
 	/*
+	 * Ensure that ->deadline is visible before set the started
+	 * flag and clear the completed flag.
+	 */
+	smp_mb__before_atomic();
+
+	/*
 	 * Mark us as started and clear complete. Complete might have been
 	 * set if requeue raced with timeout, which then marked it as
 	 * complete. So be sure to clear complete again when we start
···
 		blk_mq_insert_request(rq, false, false, false);
 	}
 
-	blk_mq_run_queues(q, false);
+	/*
+	 * Use the start variant of queue running here, so that running
+	 * the requeue work will kick stopped queues.
+	 */
+	blk_mq_start_hw_queues(q);
 }
 
 void blk_mq_add_to_requeue_list(struct request *rq, bool at_head)
···
 
 	hctx = q->mq_ops->map_queue(q, ctx->cpu);
 
-	if (rq->cmd_flags & (REQ_FLUSH | REQ_FUA) &&
-	    !(rq->cmd_flags & (REQ_FLUSH_SEQ))) {
-		blk_insert_flush(rq);
-	} else {
-		spin_lock(&ctx->lock);
-		__blk_mq_insert_request(hctx, rq, at_head);
-		spin_unlock(&ctx->lock);
-	}
+	spin_lock(&ctx->lock);
+	__blk_mq_insert_request(hctx, rq, at_head);
+	spin_unlock(&ctx->lock);
 
 	if (run_queue)
 		blk_mq_run_hw_queue(hctx, async);
···
 		left -= to_do * rq_size;
 		for (j = 0; j < to_do; j++) {
 			tags->rqs[i] = p;
+			tags->rqs[i]->atomic_flags = 0;
+			tags->rqs[i]->cmd_flags = 0;
 			if (set->ops->init_request) {
 				if (set->ops->init_request(set->driver_data,
 						tags->rqs[i], hctx_idx, i,
···
 	while (--i >= 0)
 		blk_mq_free_rq_map(set, set->tags[i], i);
 
-	set->tags = NULL;
 	return -ENOMEM;
 }
 

block/genhd.c

···
  */
 void blk_free_devt(dev_t devt)
 {
-	might_sleep();
-
 	if (devt == MKDEV(0, 0))
 		return;
 

drivers/crypto/ccp/ccp-crypto-main.c

···
 {
 	int ret;
 
+	ret = ccp_present();
+	if (ret)
+		return ret;
+
 	spin_lock_init(&req_queue_lock);
 	INIT_LIST_HEAD(&req_queue.cmds);
 	req_queue.backlog = &req_queue.cmds;

drivers/crypto/ccp/ccp-dev.c

···
 }
 
 /**
+ * ccp_present - check if a CCP device is present
+ *
+ * Returns zero if a CCP device is present, -ENODEV otherwise.
+ */
+int ccp_present(void)
+{
+	if (ccp_get_device())
+		return 0;
+
+	return -ENODEV;
+}
+EXPORT_SYMBOL_GPL(ccp_present);
+
+/**
  * ccp_enqueue_cmd - queue an operation for processing by the CCP
  *
  * @cmd: ccp_cmd struct to be processed

drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.h

···
 #define ADF_DH895XCC_ETR_MAX_BANKS 32
 #define ADF_DH895XCC_SMIAPF0_MASK_OFFSET (0x3A000 + 0x28)
 #define ADF_DH895XCC_SMIAPF1_MASK_OFFSET (0x3A000 + 0x30)
-#define ADF_DH895XCC_SMIA0_MASK 0xFFFF
+#define ADF_DH895XCC_SMIA0_MASK 0xFFFFFFFF
 #define ADF_DH895XCC_SMIA1_MASK 0x1
 /* Error detection and correction */
 #define ADF_DH895XCC_AE_CTX_ENABLES(i) (i * 0x1000 + 0x20818)

drivers/hwmon/fam15h_power.c

···
 }
 static DEVICE_ATTR(power1_crit, S_IRUGO, show_power_crit, NULL);
 
+static umode_t fam15h_power_is_visible(struct kobject *kobj,
+				       struct attribute *attr,
+				       int index)
+{
+	/* power1_input is only reported for Fam15h, Models 00h-0fh */
+	if (attr == &dev_attr_power1_input.attr &&
+	   (boot_cpu_data.x86 != 0x15 || boot_cpu_data.x86_model > 0xf))
+		return 0;
+
+	return attr->mode;
+}
+
 static struct attribute *fam15h_power_attrs[] = {
 	&dev_attr_power1_input.attr,
 	&dev_attr_power1_crit.attr,
 	NULL
 };
 
-ATTRIBUTE_GROUPS(fam15h_power);
+static const struct attribute_group fam15h_power_group = {
+	.attrs = fam15h_power_attrs,
+	.is_visible = fam15h_power_is_visible,
+};
+__ATTRIBUTE_GROUPS(fam15h_power);
 
 static bool fam15h_power_is_internal_node0(struct pci_dev *f4)
 {
···
 
 static const struct pci_device_id fam15h_power_id_table[] = {
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) },
+	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M30H_NB_F4) },
 	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F4) },
+	{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) },
 	{}
 };
 MODULE_DEVICE_TABLE(pci, fam15h_power_id_table);

drivers/hwmon/tmp103.c

···
 	}
 
 	i2c_set_clientdata(client, regmap);
-	hwmon_dev = hwmon_device_register_with_groups(dev, client->name,
+	hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
 						      regmap, tmp103_groups);
 	return PTR_ERR_OR_ZERO(hwmon_dev);
 }

drivers/infiniband/core/umem.c

···
 	umem->length    = size;
 	umem->offset    = addr & ~PAGE_MASK;
 	umem->page_size = PAGE_SIZE;
+	umem->pid       = get_task_pid(current, PIDTYPE_PID);
 	/*
 	 * We ask for writable memory if any access flags other than
 	 * "remote read" are set.  "Local write" and "remote write"
···
 	if (ret < 0) {
 		if (need_release)
 			__ib_umem_release(context->device, umem, 0);
+		put_pid(umem->pid);
 		kfree(umem);
 	} else
 		current->mm->pinned_vm = locked;
···
 {
 	struct ib_ucontext *context = umem->context;
 	struct mm_struct *mm;
+	struct task_struct *task;
 	unsigned long diff;
 
 	__ib_umem_release(umem->context->device, umem, 1);
 
-	mm = get_task_mm(current);
-	if (!mm) {
-		kfree(umem);
-		return;
-	}
+	task = get_pid_task(umem->pid, PIDTYPE_PID);
+	put_pid(umem->pid);
+	if (!task)
+		goto out;
+	mm = get_task_mm(task);
+	put_task_struct(task);
+	if (!mm)
+		goto out;
 
 	diff = PAGE_ALIGN(umem->length + umem->offset) >> PAGE_SHIFT;
 
···
 	} else
 		down_write(&mm->mmap_sem);
 
-	current->mm->pinned_vm -= diff;
+	mm->pinned_vm -= diff;
 	up_write(&mm->mmap_sem);
 	mmput(mm);
+out:
 	kfree(umem);
 }
 EXPORT_SYMBOL(ib_umem_release);

drivers/infiniband/core/uverbs_marshall.c

···
 	dst->packet_life_time	= src->packet_life_time;
 	dst->preference		= src->preference;
 	dst->packet_life_time_selector = src->packet_life_time_selector;
+
+	memset(dst->smac, 0, sizeof(dst->smac));
+	memset(dst->dmac, 0, sizeof(dst->dmac));
+	dst->vlan_id = 0xffff;
 }
 EXPORT_SYMBOL(ib_copy_path_rec_from_user);

drivers/infiniband/hw/ipath/ipath_user_pages.c

···
 
 /* call with current->mm->mmap_sem held */
 static int __ipath_get_user_pages(unsigned long start_page, size_t num_pages,
-				  struct page **p, struct vm_area_struct **vma)
+				  struct page **p)
 {
 	unsigned long lock_limit;
 	size_t got;
···
 		ret = get_user_pages(current, current->mm,
 				     start_page + got * PAGE_SIZE,
 				     num_pages - got, 1, 1,
-				     p + got, vma);
+				     p + got, NULL);
 		if (ret < 0)
 			goto bail_release;
 	}
···
 
 	down_write(&current->mm->mmap_sem);
 
-	ret = __ipath_get_user_pages(start_page, num_pages, p, NULL);
+	ret = __ipath_get_user_pages(start_page, num_pages, p);
 
 	up_write(&current->mm->mmap_sem);
 

drivers/infiniband/hw/mlx4/main.c

···
 
 #define MLX4_IB_FLOW_MAX_PRIO 0xFFF
 #define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF
+#define MLX4_IB_CARD_REV_A0   0xA0
 
 MODULE_AUTHOR("Roland Dreier");
 MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver");
···
 	return dmfs;
 }
 
+static int num_ib_ports(struct mlx4_dev *dev)
+{
+	int ib_ports = 0;
+	int i;
+
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
+		ib_ports++;
+
+	return ib_ports;
+}
+
 static int mlx4_ib_query_device(struct ib_device *ibdev,
 				struct ib_device_attr *props)
 {
···
 	struct ib_smp *in_mad  = NULL;
 	struct ib_smp *out_mad = NULL;
 	int err = -ENOMEM;
+	int have_ib_ports;
 
 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
 	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
···
 
 	memset(props, 0, sizeof *props);
 
+	have_ib_ports = num_ib_ports(dev->dev);
+
 	props->fw_ver = dev->dev->caps.fw_ver;
 	props->device_cap_flags    = IB_DEVICE_CHANGE_PHY_PORT |
 		IB_DEVICE_PORT_ACTIVE_EVENT		|
···
 		props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR)
 		props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
-	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM)
+	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM && have_ib_ports)
 		props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT)
 		props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
 		props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
-	if (dev->dev->caps.max_gso_sz && dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH)
+	if (dev->dev->caps.max_gso_sz &&
+	    (dev->dev->rev_id != MLX4_IB_CARD_REV_A0) &&
+	    (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH))
 		props->device_cap_flags |= IB_DEVICE_UD_TSO;
 	if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY)
 		props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY;
···
 	props->state		= IB_PORT_DOWN;
 	props->phys_state	= state_to_phys_state(props->state);
 	props->active_mtu	= IB_MTU_256;
-	spin_lock(&iboe->lock);
+	spin_lock_bh(&iboe->lock);
 	ndev = iboe->netdevs[port - 1];
 	if (!ndev)
 		goto out_unlock;
···
 					IB_PORT_ACTIVE : IB_PORT_DOWN;
 	props->phys_state	= state_to_phys_state(props->state);
 out_unlock:
-	spin_unlock(&iboe->lock);
+	spin_unlock_bh(&iboe->lock);
 out:
 	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
 	return err;
···
 	if (!mqp->port)
 		return 0;
 
-	spin_lock(&mdev->iboe.lock);
+	spin_lock_bh(&mdev->iboe.lock);
 	ndev = mdev->iboe.netdevs[mqp->port - 1];
 	if (ndev)
 		dev_hold(ndev);
-	spin_unlock(&mdev->iboe.lock);
+	spin_unlock_bh(&mdev->iboe.lock);
 
 	if (ndev) {
 		ret = 1;
···
 	mutex_lock(&mqp->mutex);
 	ge = find_gid_entry(mqp, gid->raw);
 	if (ge) {
-		spin_lock(&mdev->iboe.lock);
+		spin_lock_bh(&mdev->iboe.lock);
 		ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL;
 		if (ndev)
 			dev_hold(ndev);
-		spin_unlock(&mdev->iboe.lock);
+		spin_unlock_bh(&mdev->iboe.lock);
 		if (ndev)
 			dev_put(ndev);
 		list_del(&ge->list);
···
 	int err;
 	struct mlx4_dev	*dev = gw->dev->dev;
 
+	if (!gw->dev->ib_active)
+		return;
+
 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 	if (IS_ERR(mailbox)) {
 		pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox));
···
 	union ib_gid *gids;
 	int err;
 	struct mlx4_dev	*dev = gw->dev->dev;
+
+	if (!gw->dev->ib_active)
+		return;
 
 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 	if (IS_ERR(mailbox)) {
···
 		return 0;
 
 	iboe = &ibdev->iboe;
-	spin_lock(&iboe->lock);
+	spin_lock_bh(&iboe->lock);
 
 	for (port = 1; port <= ibdev->dev->caps.num_ports; ++port)
 		if ((netif_is_bond_master(real_dev) &&
···
 			update_gid_table(ibdev, port, gid,
 					 event == NETDEV_DOWN, 0);
 
-	spin_unlock(&iboe->lock);
+	spin_unlock_bh(&iboe->lock);
 	return 0;
 
 }
···
 	new_smac = mlx4_mac_to_u64(dev->dev_addr);
 	read_unlock(&dev_base_lock);
 
+	atomic64_set(&ibdev->iboe.mac[port - 1], new_smac);
+
+	/* no need for update QP1 and mac registration in non-SRIOV */
+	if (!mlx4_is_mfunc(ibdev->dev))
+		return;
+
 	mutex_lock(&ibdev->qp1_proxy_lock[port - 1]);
 	qp = ibdev->qp1_proxy[port - 1];
 	if (qp) {
 		int new_smac_index;
-		u64 old_smac = qp->pri.smac;
+		u64 old_smac;
 		struct mlx4_update_qp_params update_params;
 
+		mutex_lock(&qp->mutex);
+		old_smac = qp->pri.smac;
 		if (new_smac == old_smac)
 			goto unlock;
 
···
 			release_mac = new_smac;
 			goto unlock;
 		}
-
+		/* if old port was zero, no mac was yet registered for this QP */
+		if (qp->pri.smac_port)
+			release_mac = old_smac;
 		qp->pri.smac = new_smac;
+		qp->pri.smac_port = port;
 		qp->pri.smac_index = new_smac_index;
-
-		release_mac = old_smac;
 	}
 
 unlock:
-	mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]);
 	if (release_mac != MLX4_IB_INVALID_MAC)
 		mlx4_unregister_mac(ibdev->dev, port, release_mac);
+	if (qp)
+		mutex_unlock(&qp->mutex);
+	mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]);
 }
 
 static void mlx4_ib_get_dev_addr(struct net_device *dev,
···
 	struct inet6_dev *in6_dev;
 	union ib_gid  *pgid;
 	struct inet6_ifaddr *ifp;
+	union ib_gid default_gid;
 #endif
 	union ib_gid gid;
 
···
 		in_dev_put(in_dev);
 	}
 #if IS_ENABLED(CONFIG_IPV6)
+	mlx4_make_default_gid(dev, &default_gid);
 	/* IPv6 gids */
 	in6_dev = in6_dev_get(dev);
 	if (in6_dev) {
 		read_lock_bh(&in6_dev->lock);
 		list_for_each_entry(ifp, &in6_dev->addr_list, if_list) {
 			pgid = (union ib_gid *)&ifp->addr;
+			if (!memcmp(pgid, &default_gid, sizeof(*pgid)))
+				continue;
 			update_gid_table(ibdev, port, pgid, 0, 0);
 		}
 		read_unlock_bh(&in6_dev->lock);
···
 	struct	net_device *dev;
 	struct mlx4_ib_iboe *iboe = &ibdev->iboe;
 	int i;
+	int err = 0;
 
-	for (i = 1; i <= ibdev->num_ports; ++i)
-		if (reset_gid_table(ibdev, i))
-			return -1;
+	for (i = 1; i <= ibdev->num_ports; ++i) {
+		if (rdma_port_get_link_layer(&ibdev->ib_dev, i) ==
+		    IB_LINK_LAYER_ETHERNET) {
+			err = reset_gid_table(ibdev, i);
+			if (err)
+				goto out;
+		}
+	}
 
 	read_lock(&dev_base_lock);
-	spin_lock(&iboe->lock);
+	spin_lock_bh(&iboe->lock);
 
 	for_each_netdev(&init_net, dev) {
 		u8 port = mlx4_ib_get_dev_port(dev, ibdev);
-		if (port)
+		/* port will be non-zero only for ETH ports */
+		if (port) {
+			mlx4_ib_set_default_gid(ibdev, dev, port);
 			mlx4_ib_get_dev_addr(dev, ibdev, port);
+		}
 	}
 
-	spin_unlock(&iboe->lock);
+	spin_unlock_bh(&iboe->lock);
 	read_unlock(&dev_base_lock);
-
-	return 0;
+out:
+	return err;
 }
 
 static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
···
 
 	iboe = &ibdev->iboe;
 
-	spin_lock(&iboe->lock);
+	spin_lock_bh(&iboe->lock);
 	mlx4_foreach_ib_transport_port(port, ibdev->dev) {
 		enum ib_port_state	port_state = IB_PORT_NOP;
 		struct net_device *old_master = iboe->masters[port - 1];
···
 			port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ?
 						IB_PORT_ACTIVE : IB_PORT_DOWN;
 			mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
+			if (curr_master) {
+				/* if using bonding/team and a slave port is down, we
+				 * don't want the bond IP based gids in the table since
+				 * flows that select port by gid may get the down port.
+				*/
+				if (port_state == IB_PORT_DOWN) {
+					reset_gid_table(ibdev, port);
+					mlx4_ib_set_default_gid(ibdev,
+								curr_netdev,
+								port);
+				} else {
+					/* gids from the upper dev (bond/team)
+					 * should appear in port's gid table
+					*/
+					mlx4_ib_get_dev_addr(curr_master,
+							     ibdev, port);
+				}
+			}
+			/* if bonding is used it is possible that we add it to
+			 * masters only after IP address is assigned to the
+			 * net bonding interface.
+			*/
+			if (curr_master && (old_master != curr_master)) {
+				reset_gid_table(ibdev, port);
+				mlx4_ib_set_default_gid(ibdev,
+							curr_netdev, port);
+				mlx4_ib_get_dev_addr(curr_master, ibdev, port);
+			}
+
+			if (!curr_master && (old_master != curr_master)) {
+				reset_gid_table(ibdev, port);
+				mlx4_ib_set_default_gid(ibdev,
+							curr_netdev, port);
+				mlx4_ib_get_dev_addr(curr_netdev, ibdev, port);
+			}
 		} else {
 			reset_gid_table(ibdev, port);
 		}
-		/* if using bonding/team and a slave port is down, we don't the bond IP
-		 * based gids in the table since flows that select port by gid may get
-		 * the down port.
-		 */
-		if (curr_master && (port_state == IB_PORT_DOWN)) {
-			reset_gid_table(ibdev, port);
-			mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
-		}
-		/* if bonding is used it is possible that we add it to masters
-		 * only after IP address is assigned to the net bonding
-		 * interface.
-		*/
-		if (curr_master && (old_master != curr_master)) {
-			reset_gid_table(ibdev, port);
-			mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
-			mlx4_ib_get_dev_addr(curr_master, ibdev, port);
-		}
-
-		if (!curr_master && (old_master != curr_master)) {
-			reset_gid_table(ibdev, port);
-			mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
-			mlx4_ib_get_dev_addr(curr_netdev, ibdev, port);
-		}
 	}
 
-	spin_unlock(&iboe->lock);
+	spin_unlock_bh(&iboe->lock);
 
 	if (update_qps_port > 0)
 		mlx4_ib_update_qps(ibdev, dev, update_qps_port);
···
 			goto err_steer_free_bitmap;
 	}
 
+	for (j = 1; j <= ibdev->dev->caps.num_ports; j++)
+		atomic64_set(&iboe->mac[j - 1], ibdev->dev->caps.def_mac[j]);
+
 	if (ib_register_device(&ibdev->ib_dev, NULL))
 		goto err_steer_free_bitmap;
 
···
 			}
 		}
 #endif
-		for (i = 1 ; i <= ibdev->num_ports ; ++i)
-			reset_gid_table(ibdev, i);
-		rtnl_lock();
-		mlx4_ib_scan_netdevs(ibdev, NULL, 0);
-		rtnl_unlock();
-		mlx4_ib_init_gid_table(ibdev);
+		if (mlx4_ib_init_gid_table(ibdev))
+			goto err_notif;
 	}
 
 	for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) {
···
 {
 	struct mlx4_ib_dev *ibdev = ibdev_ptr;
 	int p;
+
+	ibdev->ib_active = false;
+	flush_workqueue(wq);
 
 	mlx4_ib_close_sriov(ibdev);
 	mlx4_ib_mad_cleanup(ibdev);

drivers/infiniband/hw/mlx4/mlx4_ib.h

···
 	spinlock_t		lock;
 	struct net_device      *netdevs[MLX4_MAX_PORTS];
 	struct net_device      *masters[MLX4_MAX_PORTS];
+	atomic64_t		mac[MLX4_MAX_PORTS];
 	struct notifier_block 	nb;
 	struct notifier_block	nb_inet;
 	struct notifier_block	nb_inet6;

drivers/infiniband/hw/mlx4/mr.c

···
 					0);
 		if (IS_ERR(mmr->umem)) {
 			err = PTR_ERR(mmr->umem);
+			/* Prevent mlx4_ib_dereg_mr from free'ing invalid pointer */
 			mmr->umem = NULL;
 			goto release_mpt_entry;
 		}
 		n = ib_umem_page_count(mmr->umem);
 		shift = ilog2(mmr->umem->page_size);
 
-		mmr->mmr.iova       = virt_addr;
-		mmr->mmr.size       = length;
 		err = mlx4_mr_rereg_mem_write(dev->dev, &mmr->mmr,
 					      virt_addr, length, n, shift,
 					      *pmpt_entry);
···
 			ib_umem_release(mmr->umem);
 			goto release_mpt_entry;
 		}
+		mmr->mmr.iova       = virt_addr;
+		mmr->mmr.size       = length;
 
 		err = mlx4_ib_umem_write_mtt(dev, &mmr->mmr.mtt, mmr->umem);
 		if (err) {
···
 	 * return a failure. But dereg_mr will free the resources.
 	 */
 	err = mlx4_mr_hw_write_mpt(dev->dev, &mmr->mmr, pmpt_entry);
+	if (!err && flags & IB_MR_REREG_ACCESS)
+		mmr->mmr.access = mr_access_flags;
 
 release_mpt_entry:
 	mlx4_mr_hw_put_mpt(dev->dev, pmpt_entry);

drivers/infiniband/hw/mlx4/qp.c

···
 				   MLX4_QP_STATE_RST, NULL, 0, 0, &qp->mqp))
 			pr_warn("modify QP %06x to RESET failed.\n",
 			       qp->mqp.qpn);
-		if (qp->pri.smac) {
+		if (qp->pri.smac || (!qp->pri.smac && qp->pri.smac_port)) {
 			mlx4_unregister_mac(dev->dev, qp->pri.smac_port, qp->pri.smac);
 			qp->pri.smac = 0;
+			qp->pri.smac_port = 0;
 		}
 		if (qp->alt.smac) {
 			mlx4_unregister_mac(dev->dev, qp->alt.smac_port, qp->alt.smac);
···
 		 * If one was already assigned, but the new mac differs,
 		 * unregister the old one and register the new one.
 		*/
-		if (!smac_info->smac || smac_info->smac != smac) {
+		if ((!smac_info->smac && !smac_info->smac_port) ||
+		    smac_info->smac != smac) {
 			/* register candidate now, unreg if needed, after success */
 			smac_index = mlx4_register_mac(dev->dev, port, smac);
 			if (smac_index >= 0) {
···
 static int handle_eth_ud_smac_index(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp, u8 *smac,
 				    struct mlx4_qp_context *context)
 {
-	struct net_device *ndev;
 	u64 u64_mac;
 	int smac_index;
 
-
-	ndev = dev->iboe.netdevs[qp->port - 1];
-	if (ndev) {
-		smac = ndev->dev_addr;
-		u64_mac = mlx4_mac_to_u64(smac);
-	} else {
-		u64_mac = dev->dev->caps.def_mac[qp->port];
-	}
+	u64_mac = atomic64_read(&dev->iboe.mac[qp->port - 1]);
 
 	context->pri_path.sched_queue = MLX4_IB_DEFAULT_SCHED_QUEUE | ((qp->port - 1) << 6);
-	if (!qp->pri.smac) {
+	if (!qp->pri.smac && !qp->pri.smac_port) {
 		smac_index = mlx4_register_mac(dev->dev, qp->port, u64_mac);
 		if (smac_index >= 0) {
 			qp->pri.candidate_smac_index = smac_index;
···
 	int sqd_event;
 	int steer_qp = 0;
 	int err = -EINVAL;
+
+	/* APM is not supported under RoCE */
+	if (attr_mask & IB_QP_ALT_PATH &&
+	    rdma_port_get_link_layer(&dev->ib_dev, qp->port) ==
+	    IB_LINK_LAYER_ETHERNET)
+		return -ENOTSUPP;
 
 	context = kzalloc(sizeof *context, GFP_KERNEL);
 	if (!context)
···
 			if (qp->flags & MLX4_IB_QP_NETIF)
 				mlx4_ib_steer_qp_reg(dev, qp, 0);
 		}
-		if (qp->pri.smac) {
+		if (qp->pri.smac || (!qp->pri.smac && qp->pri.smac_port)) {
 			mlx4_unregister_mac(dev->dev, qp->pri.smac_port, qp->pri.smac);
 			qp->pri.smac = 0;
+			qp->pri.smac_port = 0;
 		}
 		if (qp->alt.smac) {
 			mlx4_unregister_mac(dev->dev, qp->alt.smac_port, qp->alt.smac);
···
 	if (err && steer_qp)
 		mlx4_ib_steer_qp_reg(dev, qp, 0);
 	kfree(context);
-	if (qp->pri.candidate_smac) {
+	if (qp->pri.candidate_smac ||
+	    (!qp->pri.candidate_smac && qp->pri.candidate_smac_port)) {
 		if (err) {
 			mlx4_unregister_mac(dev->dev, qp->pri.candidate_smac_port, qp->pri.candidate_smac);
 		} else {
-			if (qp->pri.smac)
+			if (qp->pri.smac || (!qp->pri.smac && qp->pri.smac_port))
 				mlx4_unregister_mac(dev->dev, qp->pri.smac_port, qp->pri.smac);
 			qp->pri.smac = qp->pri.candidate_smac;
 			qp->pri.smac_index = qp->pri.candidate_smac_index;
···
 	return 0;
 }
 
+static void mlx4_u64_to_smac(u8 *dst_mac, u64 src_mac)
+{
+	int i;
+
+	for (i = ETH_ALEN; i; i--) {
+		dst_mac[i - 1] = src_mac & 0xff;
+		src_mac >>= 8;
+	}
+}
+
 static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
 			    void *wqe, unsigned *mlx_seg_len)
 {
···
 	}
 
 	if (is_eth) {
-		u8 *smac;
 		struct in6_addr in6;
 
 		u16 pcp = (be32_to_cpu(ah->av.ib.sl_tclass_flowlabel) >> 29) << 13;
···
 		memcpy(&ctrl->imm, ah->av.eth.mac + 2, 4);
 		memcpy(&in6, sgid.raw, sizeof(in6));
 
-		if (!mlx4_is_mfunc(to_mdev(ib_dev)->dev))
-			smac = to_mdev(sqp->qp.ibqp.device)->
-				iboe.netdevs[sqp->qp.port - 1]->dev_addr;
-		else	/* use the src mac of the tunnel */
-			smac = ah->av.eth.s_mac;
-		memcpy(sqp->ud_header.eth.smac_h, smac, 6);
+		if (!mlx4_is_mfunc(to_mdev(ib_dev)->dev)) {
+			u64 mac = atomic64_read(&to_mdev(ib_dev)->iboe.mac[sqp->qp.port - 1]);
+			u8 smac[ETH_ALEN];
+
+			mlx4_u64_to_smac(smac, mac);
+			memcpy(sqp->ud_header.eth.smac_h, smac, ETH_ALEN);
+		} else {
+			/* use the src mac of the tunnel */
+			memcpy(sqp->ud_header.eth.smac_h, ah->av.eth.s_mac, ETH_ALEN);
+		}
+
 		if (!memcmp(sqp->ud_header.eth.smac_h, sqp->ud_header.eth.dmac_h, 6))
 			mlx->flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK);
 		if (!is_vlan) {

drivers/infiniband/hw/ocrdma/ocrdma_ah.c

···
 #define OCRDMA_VID_PCP_SHIFT	0xD
 
 static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
-				struct ib_ah_attr *attr, int pdid)
+			struct ib_ah_attr *attr, union ib_gid *sgid, int pdid)
 {
 	int status = 0;
 	u16 vlan_tag; bool vlan_enabled = false;
···
 	memset(&eth, 0, sizeof(eth));
 	memset(&grh, 0, sizeof(grh));
 
-	ah->sgid_index = attr->grh.sgid_index;
-
+	/* VLAN */
 	vlan_tag = attr->vlan_id;
 	if (!vlan_tag || (vlan_tag > 0xFFF))
 		vlan_tag = dev->pvid;
···
 		eth.eth_type = cpu_to_be16(OCRDMA_ROCE_ETH_TYPE);
 		eth_sz = sizeof(struct ocrdma_eth_basic);
 	}
+	/* MAC */
 	memcpy(&eth.smac[0], &dev->nic_info.mac_addr[0], ETH_ALEN);
-	memcpy(&eth.dmac[0], attr->dmac, ETH_ALEN);
 	status = ocrdma_resolve_dmac(dev, attr, &eth.dmac[0]);
 	if (status)
 		return status;
-	status = ocrdma_query_gid(&dev->ibdev, 1, attr->grh.sgid_index,
-			(union ib_gid *)&grh.sgid[0]);
-	if (status)
-		return status;
+	ah->sgid_index = attr->grh.sgid_index;
+	memcpy(&grh.sgid[0], sgid->raw, sizeof(union ib_gid));
+	memcpy(&grh.dgid[0], attr->grh.dgid.raw, sizeof(attr->grh.dgid.raw));
 
 	grh.tclass_flow = cpu_to_be32((6 << 28) |
 			(attr->grh.traffic_class << 24) |
···
 	/* 0x1b is next header value in GRH */
 	grh.pdid_hoplimit = cpu_to_be32((pdid << 16) |
 			(0x1b << 8) | attr->grh.hop_limit);
-
-	memcpy(&grh.dgid[0], attr->grh.dgid.raw, sizeof(attr->grh.dgid.raw));
+	/* Eth HDR */
 	memcpy(&ah->av->eth_hdr, &eth, eth_sz);
 	memcpy((u8 *)ah->av + eth_sz, &grh, sizeof(struct ocrdma_grh));
 	if (vlan_enabled)
···
 	struct ocrdma_ah *ah;
 	struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
 	struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
+	union ib_gid sgid;
+	u8 zmac[ETH_ALEN];
 
 	if (!(attr->ah_flags & IB_AH_GRH))
 		return ERR_PTR(-EINVAL);
···
 	status = ocrdma_alloc_av(dev, ah);
 	if (status)
 		goto av_err;
-	status = set_av_attr(dev, ah, attr, pd->id);
+
+	status = ocrdma_query_gid(&dev->ibdev, 1, attr->grh.sgid_index, &sgid);
+	if (status) {
+		pr_err("%s(): Failed to query sgid, status = %d\n",
+		      __func__, status);
+		goto av_conf_err;
+	}
+
+	memset(&zmac, 0, ETH_ALEN);
+	if (pd->uctx &&
+	    memcmp(attr->dmac, &zmac, ETH_ALEN)) {
+		status = rdma_addr_find_dmac_by_grh(&sgid, &attr->grh.dgid,
+                                        attr->dmac, &attr->vlan_id);
+		if (status) {
+			pr_err("%s(): Failed to resolve dmac from gid." 
+				"status = %d\n", __func__, status);
+			goto av_conf_err;
+		}
+	}
+
+	status = set_av_attr(dev, ah, attr, &sgid, pd->id);
 	if (status)
 		goto av_conf_err;
 
···
 	struct ocrdma_av *av = ah->av;
 	struct ocrdma_grh *grh;
 	attr->ah_flags |= IB_AH_GRH;
-	if (ah->av->valid & Bit(1)) {
+	if (ah->av->valid & OCRDMA_AV_VALID) {
 		grh = (struct ocrdma_grh *)((u8 *)ah->av +
 				sizeof(struct ocrdma_eth_vlan));
 		attr->sl = be16_to_cpu(av->eth_hdr.vlan_tag) >> 13;

drivers/infiniband/hw/ocrdma/ocrdma_verbs.c

···
 	attr->max_srq_sge = dev->attr.max_srq_sge;
 	attr->max_srq_wr = dev->attr.max_rqe;
 	attr->local_ca_ack_delay = dev->attr.local_ca_ack_delay;
-	attr->max_fast_reg_page_list_len = 0;
+	attr->max_fast_reg_page_list_len = dev->attr.max_pages_per_frmr;
 	attr->max_pkeys = 1;
 	return 0;
 }
···
 	if (cq->first_arm) {
 		ocrdma_ring_cq_db(dev, cq_id, arm_needed, sol_needed, 0);
 		cq->first_arm = false;
-		goto skip_defer;
 	}
-	cq->deferred_arm = true;
 
-skip_defer:
+	cq->deferred_arm = true;
 	cq->deferred_sol = sol_needed;
 	spin_unlock_irqrestore(&cq->cq_lock, flags);
 

drivers/infiniband/hw/qib/qib_debugfs.c

···
 	struct qib_qp_iter *iter;
 	loff_t n = *pos;
 
+	rcu_read_lock();
 	iter = qib_qp_iter_init(s->private);
 	if (!iter)
 		return NULL;
···
 
 static void _qp_stats_seq_stop(struct seq_file *s, void *iter_ptr)
 {
-	/* nothing for now */
+	rcu_read_unlock();
 }
 
 static int _qp_stats_seq_show(struct seq_file *s, void *iter_ptr)

drivers/infiniband/hw/qib/qib_qp.c

···
 	struct qib_qp *pqp = iter->qp;
 	struct qib_qp *qp;
 
-	rcu_read_lock();
 	for (; n < dev->qp_table_size; n++) {
 		if (pqp)
 			qp = rcu_dereference(pqp->next);
···
 			qp = rcu_dereference(dev->qp_table[n]);
 		pqp = qp;
 		if (qp) {
-			if (iter->qp)
-				atomic_dec(&iter->qp->refcount);
-			atomic_inc(&qp->refcount);
-			rcu_read_unlock();
 			iter->qp = qp;
 			iter->n = n;
 			return 0;
 		}
 	}
-	rcu_read_unlock();
-	if (iter->qp)
-		atomic_dec(&iter->qp->refcount);
 	return ret;
 }
 

drivers/infiniband/hw/qib/qib_user_pages.c

···
  * Call with current->mm->mmap_sem held.
  */
 static int __qib_get_user_pages(unsigned long start_page, size_t num_pages,
-				struct page **p, struct vm_area_struct **vma)
+				struct page **p)
 {
 	unsigned long lock_limit;
 	size_t got;
···
 		ret = get_user_pages(current, current->mm,
 				     start_page + got * PAGE_SIZE,
 				     num_pages - got, 1, 1,
-				     p + got, vma);
+				     p + got, NULL);
 		if (ret < 0)
 			goto bail_release;
 	}
···
 
 	down_write(&current->mm->mmap_sem);
 
-	ret = __qib_get_user_pages(start_page, num_pages, p, NULL);
+	ret = __qib_get_user_pages(start_page, num_pages, p);
 
 	up_write(&current->mm->mmap_sem);
 

drivers/infiniband/ulp/ipoib/ipoib_multicast.c

···
 			  port_attr.state);
 		return;
 	}
+	priv->local_lid = port_attr.lid;
 
 	if (ib_query_gid(priv->ca, priv->port, 0, &priv->local_gid))
 		ipoib_warn(priv, "ib_query_gid() failed\n");
 	else
 		memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, sizeof (union ib_gid));
-
-	{
-		struct ib_port_attr attr;
-
-		if (!ib_query_port(priv->ca, priv->port, &attr))
-			priv->local_lid = attr.lid;
-		else
-			ipoib_warn(priv, "ib_query_port failed\n");
-	}
 
 	if (!priv->broadcast) {
 		struct ipoib_mcast *broadcast;

drivers/infiniband/ulp/iser/iscsi_iser.c

···
 		     int is_leading)
 {
 	struct iscsi_conn *conn = cls_conn->dd_data;
-	struct iscsi_session *session;
 	struct iser_conn *ib_conn;
 	struct iscsi_endpoint *ep;
 	int error;
···
 	}
 	ib_conn = ep->dd_data;
 
-	session = conn->session;
-	if (iser_alloc_rx_descriptors(ib_conn, session))
-		return -ENOMEM;
+	mutex_lock(&ib_conn->state_mutex);
+	if (ib_conn->state != ISER_CONN_UP) {
+		error = -EINVAL;
+		iser_err("iser_conn %p state is %d, teardown started\n",
+			 ib_conn, ib_conn->state);
+		goto out;
+	}
+
+	error = iser_alloc_rx_descriptors(ib_conn, conn->session);
+	if (error)
+		goto out;
 
 	/* binds the iSER connection retrieved from the previously
 	 * connected ep_handle to the iSCSI layer connection. exchanges
···
 	conn->dd_data = ib_conn;
 	ib_conn->iscsi_conn = conn;
 
-	return 0;
+out:
+	mutex_unlock(&ib_conn->state_mutex);
+	return error;
 }
 
 static int

drivers/infiniband/ulp/iser/iscsi_iser.h

···
 
 #define DRV_NAME	"iser"
 #define PFX		DRV_NAME ": "
-#define DRV_VER		"1.4"
+#define DRV_VER		"1.4.1"
 
 #define iser_dbg(fmt, arg...)				\
 	do {						\

drivers/infiniband/ulp/iser/iser_verbs.c

···
 {
 	struct iser_cq_desc *cq_desc;
 	struct ib_device_attr *dev_attr = &device->dev_attr;
-	int ret, i, j;
+	int ret, i;
 
 	ret = ib_query_device(device->ib_device, dev_attr);
 	if (ret) {
···
 					  iser_cq_event_callback,
 					  (void *)&cq_desc[i],
 					  ISER_MAX_RX_CQ_LEN, i);
-		if (IS_ERR(device->rx_cq[i]))
+		if (IS_ERR(device->rx_cq[i])) {
+			device->rx_cq[i] = NULL;
 			goto cq_err;
+		}
 
 		device->tx_cq[i] = ib_create_cq(device->ib_device,
 					  NULL, iser_cq_event_callback,
 					  (void *)&cq_desc[i],
 					  ISER_MAX_TX_CQ_LEN, i);
 
-		if (IS_ERR(device->tx_cq[i]))
+		if (IS_ERR(device->tx_cq[i])) {
+			device->tx_cq[i] = NULL;
 			goto cq_err;
+		}
 
 		if (ib_req_notify_cq(device->rx_cq[i], IB_CQ_NEXT_COMP))
 			goto cq_err;
···
 handler_err:
 	ib_dereg_mr(device->mr);
 dma_mr_err:
-	for (j = 0; j < device->cqs_used; j++)
-		tasklet_kill(&device->cq_tasklet[j]);
+	for (i = 0; i < device->cqs_used; i++)
+		tasklet_kill(&device->cq_tasklet[i]);
 cq_err:
-	for (j = 0; j < i; j++) {
-		if (device->tx_cq[j])
-			ib_destroy_cq(device->tx_cq[j]);
-		if (device->rx_cq[j])
-			ib_destroy_cq(device->rx_cq[j]);
+	for (i = 0; i < device->cqs_used; i++) {
+		if (device->tx_cq[i])
+			ib_destroy_cq(device->tx_cq[i]);
+		if (device->rx_cq[i])
+			ib_destroy_cq(device->rx_cq[i]);
 	}
 	ib_dealloc_pd(device->pd);
 pd_err:

drivers/md/raid1.c

···
 	has_nonrot_disk = 0;
 	choose_next_idle = 0;
 
-	if (conf->mddev->recovery_cp < MaxSector &&
-	    (this_sector + sectors >= conf->next_resync))
-		choose_first = 1;
-	else
-		choose_first = 0;
+	choose_first = (conf->mddev->recovery_cp < this_sector + sectors);
 
 	for (disk = 0 ; disk < conf->raid_disks * 2 ; disk++) {
 		sector_t dist;
···
  *    there is no normal IO happeing.  It must arrange to call
  *    lower_barrier when the particular background IO completes.
  */
-static void raise_barrier(struct r1conf *conf)
+static void raise_barrier(struct r1conf *conf, sector_t sector_nr)
 {
 	spin_lock_irq(&conf->resync_lock);
 
···
 
 	/* block any new IO from starting */
 	conf->barrier++;
+	conf->next_resync = sector_nr;
 
 	/* For these conditions we must wait:
 	 * A: while the array is in frozen state
···
 	 * C: next_resync + RESYNC_SECTORS > start_next_window, meaning
 	 *    next resync will reach to the window which normal bios are
 	 *    handling.
+	 * D: while there are any active requests in the current window.
 	 */
 	wait_event_lock_irq(conf->wait_barrier,
 			    !conf->array_frozen &&
 			    conf->barrier < RESYNC_DEPTH &&
+			    conf->current_window_requests == 0 &&
 			    (conf->start_next_window >=
 			     conf->next_resync + RESYNC_SECTORS),
 			    conf->resync_lock);
 
+	conf->nr_pending++;
 	spin_unlock_irq(&conf->resync_lock);
 }
 
···
 	BUG_ON(conf->barrier <= 0);
 	spin_lock_irqsave(&conf->resync_lock, flags);
 	conf->barrier--;
+	conf->nr_pending--;
 	spin_unlock_irqrestore(&conf->resync_lock, flags);
 	wake_up(&conf->wait_barrier);
 }
···
 	if (conf->array_frozen || !bio)
 		wait = true;
 	else if (conf->barrier && bio_data_dir(bio) == WRITE) {
-		if (conf->next_resync < RESYNC_WINDOW_SECTORS)
-			wait = true;
-		else if ((conf->next_resync - RESYNC_WINDOW_SECTORS
-				>= bio_end_sector(bio)) ||
-			 (conf->next_resync + NEXT_NORMALIO_DISTANCE
-				<= bio->bi_iter.bi_sector))
+		if ((conf->mddev->curr_resync_completed
+		     >= bio_end_sector(bio)) ||
+		    (conf->next_resync + NEXT_NORMALIO_DISTANCE
+		     <= bio->bi_iter.bi_sector))
 			wait = false;
 		else
 			wait = true;
···
 	}
 
 	if (bio && bio_data_dir(bio) == WRITE) {
-		if (conf->next_resync + NEXT_NORMALIO_DISTANCE
-		    <= bio->bi_iter.bi_sector) {
+		if (bio->bi_iter.bi_sector >=
+		    conf->mddev->curr_resync_completed) {
 			if (conf->start_next_window == MaxSector)
 				conf->start_next_window =
 					conf->next_resync +
···
 				   atomic_read(&bitmap->behind_writes) == 0);
 		}
 		r1_bio->read_disk = rdisk;
+		r1_bio->start_next_window = 0;
 
 		read_bio = bio_clone_mddev(bio, GFP_NOIO, mddev);
 		bio_trim(read_bio, r1_bio->sector - bio->bi_iter.bi_sector,
···
 	mempool_destroy(conf->r1buf_pool);
 	conf->r1buf_pool = NULL;
 
+	spin_lock_irq(&conf->resync_lock);
 	conf->next_resync = 0;
 	conf->start_next_window = MaxSector;
+	conf->current_window_requests +=
+		conf->next_window_requests;
+	conf->next_window_requests = 0;
+	spin_unlock_irq(&conf->resync_lock);
 }
 
 static int raid1_spare_active(struct mddev *mddev)
···
 			d--;
 			rdev = conf->mirrors[d].rdev;
 			if (rdev &&
-			    test_bit(In_sync, &rdev->flags))
+			    !test_bit(Faulty, &rdev->flags))
 				r1_sync_page_io(rdev, sect, s,
 						conf->tmppage, WRITE);
 		}
···
 			d--;
 			rdev = conf->mirrors[d].rdev;
 			if (rdev &&
-			    test_bit(In_sync, &rdev->flags)) {
+			    !test_bit(Faulty, &rdev->flags)) {
 				if (r1_sync_page_io(rdev, sect, s,
 						    conf->tmppage, READ)) {
 					atomic_add(s, &rdev->corrected_errors);
···
 
 	bitmap_cond_end_sync(mddev->bitmap, sector_nr);
 	r1_bio = mempool_alloc(conf->r1buf_pool, GFP_NOIO);
-	raise_barrier(conf);
 
-	conf->next_resync = sector_nr;
+	raise_barrier(conf, sector_nr);
 
 	rcu_read_lock();
 	/*

drivers/media/common/cx2341x.c

···
 {
 	struct v4l2_ctrl_config cfg;
 
+	memset(&cfg, 0, sizeof(cfg));
 	cx2341x_ctrl_fill(id, &cfg.name, &cfg.type, &min, &max, &step, &def, &cfg.flags);
 	cfg.ops = &cx2341x_ops;
 	cfg.id = id;

drivers/media/dvb-frontends/cx24123.c

···
 		sizeof(state->tuner_i2c_adapter.name));
 	state->tuner_i2c_adapter.algo      = &cx24123_tuner_i2c_algo;
 	state->tuner_i2c_adapter.algo_data = NULL;
+	state->tuner_i2c_adapter.dev.parent = i2c->dev.parent;
 	i2c_set_adapdata(&state->tuner_i2c_adapter, state);
 	if (i2c_add_adapter(&state->tuner_i2c_adapter) < 0) {
 		err("tuner i2c bus could not be initialized\n");

drivers/media/i2c/adv7604.c

···
 	v4l2_info(sd, "HDCP keys read: %s%s\n",
 			(hdmi_read(sd, 0x04) & 0x20) ? "yes" : "no",
 			(hdmi_read(sd, 0x04) & 0x10) ? "ERROR" : "");
-	if (!is_hdmi(sd)) {
+	if (is_hdmi(sd)) {
 		bool audio_pll_locked = hdmi_read(sd, 0x04) & 0x01;
 		bool audio_sample_packet_detect = hdmi_read(sd, 0x18) & 0x01;
 		bool audio_mute = io_read(sd, 0x65) & 0x40;

drivers/media/radio/radio-miropcm20.c

···
 
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/delay.h>
 #include <linux/videodev2.h>
 #include <linux/kthread.h>

drivers/media/usb/em28xx/em28xx-video.c

···
 	struct em28xx *dev = video_drvdata(file);
 	struct em28xx_v4l2 *v4l2 = dev->v4l2;
 
-	if (v4l2->streaming_users > 0)
+	if (vb2_is_busy(&v4l2->vb_vidq))
 		return -EBUSY;
 
 	vidioc_try_fmt_vid_cap(file, priv, f);
···
 		return -EINVAL;
 	}
 
-	em28xx_videodbg("open dev=%s type=%s\n",
-			video_device_node_name(vdev), v4l2_type_names[fh_type]);
+	em28xx_videodbg("open dev=%s type=%s users=%d\n",
+			video_device_node_name(vdev), v4l2_type_names[fh_type],
+			v4l2->users);
 
 	if (mutex_lock_interruptible(&dev->lock))
 		return -ERESTARTSYS;
···
 		return ret;
 	}
 
-	if (v4l2_fh_is_singular_file(filp)) {
-		em28xx_videodbg("first opened filehandle, initializing device\n");
-
+	if (v4l2->users == 0) {
 		em28xx_set_mode(dev, EM28XX_ANALOG_MODE);
 
 		if (vdev->vfl_type != VFL_TYPE_RADIO)
···
 		 * of some i2c devices
 		 */
 		em28xx_wake_i2c(dev);
-	} else {
-		em28xx_videodbg("further filehandles are already opened\n");
 	}
 
 	if (vdev->vfl_type == VFL_TYPE_RADIO) {
···
 
 	kref_get(&dev->ref);
 	kref_get(&v4l2->ref);
+	v4l2->users++;
 
 	mutex_unlock(&dev->lock);
 
···
 	struct em28xx_v4l2    *v4l2 = dev->v4l2;
 	int              errCode;
 
+	em28xx_videodbg("users=%d\n", v4l2->users);
+
+	vb2_fop_release(filp);
 	mutex_lock(&dev->lock);
 
-	if (v4l2_fh_is_singular_file(filp)) {
-		em28xx_videodbg("last opened filehandle, shutting down device\n");
-
+	if (v4l2->users == 1) {
 		/* No sense to try to write to the device */
 		if (dev->disconnected)
 			goto exit;
···
 			em28xx_errdev("cannot change alternate number to "
 					"0 (error=%i)\n", errCode);
 		}
-	} else {
-		em28xx_videodbg("further opened filehandles left\n");
 	}
 
 exit:
-	vb2_fop_release(filp);
+	v4l2->users--;
 	kref_put(&v4l2->ref, em28xx_free_v4l2);
 	mutex_unlock(&dev->lock);
 	kref_put(&dev->ref, em28xx_free_device);

drivers/media/usb/em28xx/em28xx.h

···
 	int sensor_yres;
 	int sensor_xtal;
 
+	int users;		/* user count for exclusive use */
 	int streaming_users;    /* number of actively streaming users */
 
 	u32 frequency;		/* selected tuner frequency */

drivers/media/v4l2-core/videobuf2-core.c

···
 	 * to the userspace.
 	 */
 	req->count = allocated_buffers;
+	q->waiting_for_buffers = !V4L2_TYPE_IS_OUTPUT(q->type);
 
 	return 0;
 }
···
 		memset(q->plane_sizes, 0, sizeof(q->plane_sizes));
 		memset(q->alloc_ctx, 0, sizeof(q->alloc_ctx));
 		q->memory = create->memory;
+		q->waiting_for_buffers = !V4L2_TYPE_IS_OUTPUT(q->type);
 	}
 
 	num_buffers = min(create->count, VIDEO_MAX_FRAME - q->num_buffers);
···
  */
 void *vb2_plane_cookie(struct vb2_buffer *vb, unsigned int plane_no)
 {
-	if (plane_no > vb->num_planes || !vb->planes[plane_no].mem_priv)
+	if (plane_no >= vb->num_planes || !vb->planes[plane_no].mem_priv)
 		return NULL;
 
 	return call_ptr_memop(vb, cookie, vb->planes[plane_no].mem_priv);
···
 	if (WARN_ON(vb->state != VB2_BUF_STATE_ACTIVE))
 		return;
 
-	if (!q->start_streaming_called) {
-		if (WARN_ON(state != VB2_BUF_STATE_QUEUED))
-			state = VB2_BUF_STATE_QUEUED;
-	} else if (WARN_ON(state != VB2_BUF_STATE_DONE &&
-			   state != VB2_BUF_STATE_ERROR)) {
-			state = VB2_BUF_STATE_ERROR;
-	}
+	if (WARN_ON(state != VB2_BUF_STATE_DONE &&
+		    state != VB2_BUF_STATE_ERROR &&
+		    state != VB2_BUF_STATE_QUEUED))
+		state = VB2_BUF_STATE_ERROR;
 
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 	/*
···
 	q->start_streaming_called = 0;
 
 	dprintk(1, "driver refused to start streaming\n");
+	/*
+	 * If you see this warning, then the driver isn't cleaning up properly
+	 * after a failed start_streaming(). See the start_streaming()
+	 * documentation in videobuf2-core.h for more information how buffers
+	 * should be returned to vb2 in start_streaming().
+	 */
 	if (WARN_ON(atomic_read(&q->owned_by_drv_count))) {
 		unsigned i;
 
···
 		/* Must be zero now */
 		WARN_ON(atomic_read(&q->owned_by_drv_count));
 	}
+	/*
+	 * If done_list is not empty, then start_streaming() didn't call
+	 * vb2_buffer_done(vb, VB2_BUF_STATE_QUEUED) but STATE_ERROR or
+	 * STATE_DONE.
+	 */
+	WARN_ON(!list_empty(&q->done_list));
 	return ret;
 }
 
···
 	 */
 	list_add_tail(&vb->queued_entry, &q->queued_list);
 	q->queued_count++;
+	q->waiting_for_buffers = false;
 	vb->state = VB2_BUF_STATE_QUEUED;
 	if (V4L2_TYPE_IS_OUTPUT(q->type)) {
 		/*
···
 	if (q->start_streaming_called)
 		call_void_qop(q, stop_streaming, q);
 
+	/*
+	 * If you see this warning, then the driver isn't cleaning up properly
+	 * in stop_streaming(). See the stop_streaming() documentation in
+	 * videobuf2-core.h for more information how buffers should be returned
+	 * to vb2 in stop_streaming().
+	 */
 	if (WARN_ON(atomic_read(&q->owned_by_drv_count))) {
 		for (i = 0; i < q->num_buffers; ++i)
 			if (q->bufs[i]->state == VB2_BUF_STATE_ACTIVE)
···
 	 * their normal dequeued state.
 	 */
 	__vb2_queue_cancel(q);
+	q->waiting_for_buffers = !V4L2_TYPE_IS_OUTPUT(q->type);
 
 	dprintk(3, "successful\n");
 	return 0;
···
 	}
 
 	/*
-	 * There is nothing to wait for if no buffer has been queued and the
-	 * queue isn't streaming, or if the error flag is set.
+	 * There is nothing to wait for if the queue isn't streaming, or if the
+	 * error flag is set.
 	 */
-	if ((list_empty(&q->queued_list) && !vb2_is_streaming(q)) || q->error)
+	if (!vb2_is_streaming(q) || q->error)
+		return res | POLLERR;
+	/*
+	 * For compatibility with vb1: if QBUF hasn't been called yet, then
+	 * return POLLERR as well. This only affects capture queues, output
+	 * queues will always initialize waiting_for_buffers to false.
+	 */
+	if (q->waiting_for_buffers)
 		return res | POLLERR;
 
 	/*

drivers/media/v4l2-core/videobuf2-dma-sg.c

···
 		goto fail_pages_alloc;
 
 	ret = sg_alloc_table_from_pages(&buf->sg_table, buf->pages,
-			buf->num_pages, 0, size, gfp_flags);
+			buf->num_pages, 0, size, GFP_KERNEL);
 	if (ret)
 		goto fail_table_alloc;
 

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

···
 			    MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
 }
 
+/* Must protect against concurrent access */
 int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
 		       struct mlx4_mpt_entry ***mpt_entry)
 {
···
 	int key = key_to_hw_index(mmr->key) & (dev->caps.num_mpts - 1);
 	struct mlx4_cmd_mailbox *mailbox = NULL;
 
-	/* Make sure that at this point we have single-threaded access only */
-
 	if (mmr->enabled != MLX4_MPT_EN_HW)
 		return -EINVAL;
 
 	err = mlx4_HW2SW_MPT(dev, NULL, key);
-
 	if (err) {
 		mlx4_warn(dev, "HW2SW_MPT failed (%d).", err);
 		mlx4_warn(dev, "Most likely the MR has MWs bound to it.\n");
···
 				   0, MLX4_CMD_QUERY_MPT,
 				   MLX4_CMD_TIME_CLASS_B,
 				   MLX4_CMD_WRAPPED);
-
 		if (err)
 			goto free_mailbox;
 
···
 		err = mlx4_SW2HW_MPT(dev, mailbox, key);
 	}
 
-	mmr->pd = be32_to_cpu((*mpt_entry)->pd_flags) & MLX4_MPT_PD_MASK;
-	if (!err)
+	if (!err) {
+		mmr->pd = be32_to_cpu((*mpt_entry)->pd_flags) & MLX4_MPT_PD_MASK;
 		mmr->enabled = MLX4_MPT_EN_HW;
+	}
 	return err;
 }
 EXPORT_SYMBOL_GPL(mlx4_mr_hw_write_mpt);
···
 int mlx4_mr_hw_change_pd(struct mlx4_dev *dev, struct mlx4_mpt_entry *mpt_entry,
 			 u32 pdn)
 {
-	u32 pd_flags = be32_to_cpu(mpt_entry->pd_flags);
+	u32 pd_flags = be32_to_cpu(mpt_entry->pd_flags) & ~MLX4_MPT_PD_MASK;
 	/* The wrapper function will put the slave's id here */
 	if (mlx4_is_mfunc(dev))
 		pd_flags &= ~MLX4_MPT_PD_VF_MASK;
-	mpt_entry->pd_flags = cpu_to_be32((pd_flags &  ~MLX4_MPT_PD_MASK) |
+
+	mpt_entry->pd_flags = cpu_to_be32(pd_flags |
 					  (pdn & MLX4_MPT_PD_MASK)
 					  | MLX4_MPT_PD_FLAG_EN_INV);
 	return 0;
···
 {
 	int err;
 
-	mpt_entry->start       = cpu_to_be64(mr->iova);
-	mpt_entry->length      = cpu_to_be64(mr->size);
-	mpt_entry->entity_size = cpu_to_be32(mr->mtt.page_shift);
+	mpt_entry->start       = cpu_to_be64(iova);
+	mpt_entry->length      = cpu_to_be64(size);
+	mpt_entry->entity_size = cpu_to_be32(page_shift);
 
 	err = mlx4_mtt_init(dev, npages, page_shift, &mr->mtt);
 	if (err)
 		return err;
 
+	mpt_entry->pd_flags &= cpu_to_be32(MLX4_MPT_PD_MASK |
+					   MLX4_MPT_PD_FLAG_EN_INV);
+	mpt_entry->flags    &= cpu_to_be32(MLX4_MPT_FLAG_FREE |
+					   MLX4_MPT_FLAG_SW_OWNS);
 	if (mr->mtt.order < 0) {
 		mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_PHYSICAL);
 		mpt_entry->mtt_addr = 0;
···
 						  &mr->mtt));
 		if (mr->mtt.page_shift == 0)
 			mpt_entry->mtt_sz    = cpu_to_be32(1 << mr->mtt.order);
+	}
+	if (mr->mtt.order >= 0 && mr->mtt.page_shift == 0) {
+		/* fast register MR in free state */
+		mpt_entry->flags    |= cpu_to_be32(MLX4_MPT_FLAG_FREE);
+		mpt_entry->pd_flags |= cpu_to_be32(MLX4_MPT_PD_FLAG_FAST_REG |
+						   MLX4_MPT_PD_FLAG_RAE);
+	} else {
+		mpt_entry->flags    |= cpu_to_be32(MLX4_MPT_FLAG_SW_OWNS);
 	}
 	mr->enabled = MLX4_MPT_EN_SW;
 

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

···
 	int i;
 
 	for (i = 0; i < MLX4_MAX_MAC_NUM; i++) {
-		if ((mac & MLX4_MAC_MASK) ==
+		if (table->refs[i] &&
+		    (MLX4_MAC_MASK & mac) ==
 		    (MLX4_MAC_MASK & be64_to_cpu(table->entries[i])))
 			return i;
 	}
···
 
 	mutex_lock(&table->mutex);
 	for (i = 0; i < MLX4_MAX_MAC_NUM; i++) {
-		if (free < 0 && !table->entries[i]) {
-			free = i;
+		if (!table->refs[i]) {
+			if (free < 0)
+				free = i;
 			continue;
 		}
 
-		if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) {
+		if ((MLX4_MAC_MASK & mac) ==
+		     (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) {
 			/* MAC already registered, increment ref count */
 			err = i;
 			++table->refs[i];

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

···
 	 * touch anything. Note this can happen early
 	 * on if the IRQ is shared.
 	 */
-	if (test_bit(ATH_OP_INVALID, &common->op_flags))
+	if (!ah || test_bit(ATH_OP_INVALID, &common->op_flags))
 		return IRQ_NONE;
 
 	/* shared irq, not for us */

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

···
 	struct brcmu_chan ch;
 	int i;
 
-	for (i = 0; i <= total; i++) {
+	for (i = 0; i < total; i++) {
 		ch.chspec = (u16)le32_to_cpu(chlist->element[i]);
 		cfg->d11inf.decchspec(&ch);
 

drivers/nfc/microread/microread.c

···
 		targets->sens_res =
 			 be16_to_cpu(*(u16 *)&skb->data[MICROREAD_EMCF_A_ATQA]);
 		targets->sel_res = skb->data[MICROREAD_EMCF_A_SAK];
-		memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_A_UID],
-		       skb->data[MICROREAD_EMCF_A_LEN]);
 		targets->nfcid1_len = skb->data[MICROREAD_EMCF_A_LEN];
+		if (targets->nfcid1_len > sizeof(targets->nfcid1)) {
+			r = -EINVAL;
+			goto exit_free;
+		}
+		memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_A_UID],
+		       targets->nfcid1_len);
 		break;
 	case MICROREAD_GATE_ID_MREAD_ISO_A_3:
 		targets->supported_protocols =
···
 		targets->sens_res =
 			 be16_to_cpu(*(u16 *)&skb->data[MICROREAD_EMCF_A3_ATQA]);
 		targets->sel_res = skb->data[MICROREAD_EMCF_A3_SAK];
-		memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_A3_UID],
-		       skb->data[MICROREAD_EMCF_A3_LEN]);
 		targets->nfcid1_len = skb->data[MICROREAD_EMCF_A3_LEN];
+		if (targets->nfcid1_len > sizeof(targets->nfcid1)) {
+			r = -EINVAL;
+			goto exit_free;
+		}
+		memcpy(targets->nfcid1, &skb->data[MICROREAD_EMCF_A3_UID],
+		       targets->nfcid1_len);
 		break;
 	case MICROREAD_GATE_ID_MREAD_ISO_B:
 		targets->supported_protocols = NFC_PROTO_ISO14443_B_MASK;

drivers/nfc/st21nfca/Makefile

···
 # Makefile for ST21NFCA HCI based NFC driver
 #
 
-st21nfca_i2c-objs  = i2c.o
+st21nfca_hci-objs = st21nfca.o st21nfca_dep.o
+obj-$(CONFIG_NFC_ST21NFCA)     += st21nfca_hci.o
 
-obj-$(CONFIG_NFC_ST21NFCA)     += st21nfca.o st21nfca_dep.o
+st21nfca_i2c-objs  = i2c.o
 obj-$(CONFIG_NFC_ST21NFCA_I2C) += st21nfca_i2c.o

drivers/nfc/st21nfcb/Makefile

···
 # Makefile for ST21NFCB NCI based NFC driver
 #
 
-st21nfcb_i2c-objs  = i2c.o
+st21nfcb_nci-objs = ndlc.o st21nfcb.o
+obj-$(CONFIG_NFC_ST21NFCB)     += st21nfcb_nci.o
 
-obj-$(CONFIG_NFC_ST21NFCB)     += st21nfcb.o ndlc.o
+st21nfcb_i2c-objs = i2c.o
 obj-$(CONFIG_NFC_ST21NFCB_I2C) += st21nfcb_i2c.o

drivers/parisc/pdc_stable.c

···
 {
 	struct hardware_path hwpath;
 	unsigned short i;
-	char in[count+1], *temp;
+	char in[64], *temp;
 	struct device *dev;
 	int ret;
 
···
 		return -EINVAL;
 
 	/* We'll use a local copy of buf */
-	memset(in, 0, count+1);
+	count = min_t(size_t, count, sizeof(in)-1);
 	strncpy(in, buf, count);
+	in[count] = '\0';
 	
 	/* Let's clean up the target. 0xff is a blank pattern */
 	memset(&hwpath, 0xff, sizeof(hwpath));
···
 {
 	unsigned int layers[6]; /* device-specific info (ctlr#, unit#, ...) */
 	unsigned short i;
-	char in[count+1], *temp;
+	char in[64], *temp;
 
 	if (!entry || !buf || !count)
 		return -EINVAL;
 
 	/* We'll use a local copy of buf */
-	memset(in, 0, count+1);
+	count = min_t(size_t, count, sizeof(in)-1);
 	strncpy(in, buf, count);
+	in[count] = '\0';
 	
 	/* Let's clean up the target. 0 is a blank pattern */
 	memset(&layers, 0, sizeof(layers));
···
 {
 	struct pdcspath_entry *pathentry;
 	unsigned char flags;
-	char in[count+1], *temp;
+	char in[8], *temp;
 	char c;
 
 	if (!capable(CAP_SYS_ADMIN))
···
 		return -EINVAL;
 
 	/* We'll use a local copy of buf */
-	memset(in, 0, count+1);
+	count = min_t(size_t, count, sizeof(in)-1);
 	strncpy(in, buf, count);
+	in[count] = '\0';
 
 	/* Current flags are stored in primary boot path entry */
 	pathentry = &pdcspath_entry_primary;

drivers/pci/hotplug/pciehp_hpc.c

···
 	    ctrl->slot_ctrl & PCI_EXP_SLTCTL_CCIE)
 		rc = wait_event_timeout(ctrl->queue, !ctrl->cmd_busy, timeout);
 	else
-		rc = pcie_poll_cmd(ctrl, timeout);
+		rc = pcie_poll_cmd(ctrl, jiffies_to_msecs(timeout));
 
 	/*
 	 * Controllers with errata like Intel CF118 don't generate

drivers/pci/probe.c

···
 	/* Check if setup is sensible at all */
 	if (!pass &&
 	    (primary != bus->number || secondary <= bus->number ||
-	     secondary > subordinate || subordinate > bus->busn_res.end)) {
+	     secondary > subordinate)) {
 		dev_info(&dev->dev, "bridge configuration invalid ([bus %02x-%02x]), reconfiguring\n",
 			 secondary, subordinate);
 		broken = 1;
···
 			goto out;
 		}
 
-		if (max >= bus->busn_res.end) {
-			dev_warn(&dev->dev, "can't allocate child bus %02x from %pR\n",
-				 max, &bus->busn_res);
-			goto out;
-		}
-
 		/* Clear errors */
 		pci_write_config_word(dev, PCI_STATUS, 0xffff);
 
-		/* The bus will already exist if we are rescanning */
+		/* Prevent assigning a bus number that already exists.
+		 * This can happen when a bridge is hot-plugged, so in
+		 * this case we only re-scan this bus. */
 		child = pci_find_bus(pci_domain_nr(bus), max+1);
 		if (!child) {
 			child = pci_add_new_bus(bus, dev, max+1);
 			if (!child)
 				goto out;
-			pci_bus_insert_busn_res(child, max+1,
-						bus->busn_res.end);
+			pci_bus_insert_busn_res(child, max+1, 0xff);
 		}
 		max++;
 		buses = (buses & 0xff000000)
···
 		/*
 		 * Set the subordinate bus number to its real value.
 		 */
-		if (max > bus->busn_res.end) {
-			dev_warn(&dev->dev, "max busn %02x is outside %pR\n",
-				 max, &bus->busn_res);
-			max = bus->busn_res.end;
-		}
 		pci_bus_update_busn_res_end(child, max);
 		pci_write_config_byte(dev, PCI_SUBORDINATE_BUS, max);
 	}

include/linux/ccp.h

···
 	defined(CONFIG_CRYPTO_DEV_CCP_DD_MODULE)
 
 /**
+ * ccp_present - check if a CCP device is present
+ *
+ * Returns zero if a CCP device is present, -ENODEV otherwise.
+ */
+int ccp_present(void);
+
+/**
  * ccp_enqueue_cmd - queue an operation for processing by the CCP
  *
  * @cmd: ccp_cmd struct to be processed
···
 int ccp_enqueue_cmd(struct ccp_cmd *cmd);
 
 #else /* CONFIG_CRYPTO_DEV_CCP_DD is not enabled */
+
+static inline int ccp_present(void)
+{
+	return -ENODEV;
+}
 
 static inline int ccp_enqueue_cmd(struct ccp_cmd *cmd)
 {

include/linux/percpu-refcount.h

···
 void percpu_ref_exit(struct percpu_ref *ref);
 void percpu_ref_kill_and_confirm(struct percpu_ref *ref,
 				 percpu_ref_func_t *confirm_kill);
+void __percpu_ref_kill_expedited(struct percpu_ref *ref);
 
 /**
  * percpu_ref_kill - drop the initial ref

include/media/videobuf2-core.h

···
  *			can return an error if hardware fails, in that case all
  *			buffers that have been already given by the @buf_queue
  *			callback are to be returned by the driver by calling
- *			@vb2_buffer_done(VB2_BUF_STATE_DEQUEUED).
+ *			@vb2_buffer_done(VB2_BUF_STATE_QUEUED).
  *			If you need a minimum number of buffers before you can
  *			start streaming, then set @min_buffers_needed in the
  *			vb2_queue structure. If that is non-zero then
···
  * @start_streaming_called: start_streaming() was called successfully and we
  *		started streaming.
  * @error:	a fatal error occurred on the queue
+ * @waiting_for_buffers: used in poll() to check if vb2 is still waiting for
+ *		buffers. Only set for capture queues if qbuf has not yet been
+ *		called since poll() needs to return POLLERR in that situation.
  * @fileio:	file io emulator internal data, used only if emulator is active
  * @threadio:	thread io internal data, used only if thread is active
  */
···
 	unsigned int			streaming:1;
 	unsigned int			start_streaming_called:1;
 	unsigned int			error:1;
+	unsigned int			waiting_for_buffers:1;
 
 	struct vb2_fileio_data		*fileio;
 	struct vb2_threadio_data	*threadio;

include/rdma/ib_umem.h

···
 	int                     writable;
 	int                     hugetlb;
 	struct work_struct	work;
+	struct pid             *pid;
 	struct mm_struct       *mm;
 	unsigned long		diff;
 	struct sg_table sg_head;

kernel/cgroup.c

···
 
 	l = cgroup_pidlist_find_create(cgrp, type);
 	if (!l) {
-		mutex_unlock(&cgrp->pidlist_mutex);
 		pidlist_free(array);
 		return -ENOMEM;
 	}

lib/percpu-refcount.c

···
 	call_rcu_sched(&ref->rcu, percpu_ref_kill_rcu);
 }
 EXPORT_SYMBOL_GPL(percpu_ref_kill_and_confirm);
+
+/*
+ * XXX: Temporary kludge to work around SCSI blk-mq stall.  Used only by
+ * block/blk-mq.c::blk_mq_freeze_queue().  Will be removed during v3.18
+ * devel cycle.  Do not use anywhere else.
+ */
+void __percpu_ref_kill_expedited(struct percpu_ref *ref)
+{
+	WARN_ONCE(ref->pcpu_count_ptr & PCPU_REF_DEAD,
+		  "percpu_ref_kill() called more than once on %pf!",
+		  ref->release);
+
+	ref->pcpu_count_ptr |= PCPU_REF_DEAD;
+	synchronize_sched_expedited();
+	percpu_ref_kill_rcu(&ref->rcu);
+}

net/rfkill/rfkill-gpio.c

···
 	if (blocked && !IS_ERR(rfkill->clk) && rfkill->clk_enabled)
 		clk_disable(rfkill->clk);
 
-	rfkill->clk_enabled = blocked;
+	rfkill->clk_enabled = !blocked;
 
 	return 0;
 }

sound/core/pcm_lib.c

···
 {
 	struct snd_pcm_hw_params *params = arg;
 	snd_pcm_format_t format;
-	int channels, width;
+	int channels;
+	ssize_t frame_size;
 
 	params->fifo_size = substream->runtime->hw.fifo_size;
 	if (!(substream->runtime->hw.info & SNDRV_PCM_INFO_FIFO_IN_FRAMES)) {
 		format = params_format(params);
 		channels = params_channels(params);
-		width = snd_pcm_format_physical_width(format);
-		params->fifo_size /= width * channels;
+		frame_size = snd_pcm_format_size(format, channels);
+		if (frame_size > 0)
+			params->fifo_size /= (unsigned)frame_size;
 	}
 	return 0;
 }

sound/pci/hda/patch_conexant.c

···
 	{ .id = CXT_PINCFG_LENOVO_TP410, .name = "tp410" },
 	{ .id = CXT_FIXUP_THINKPAD_ACPI, .name = "thinkpad" },
 	{ .id = CXT_PINCFG_LEMOTE_A1004, .name = "lemote-a1004" },
+	{ .id = CXT_PINCFG_LEMOTE_A1205, .name = "lemote-a1205" },
 	{ .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" },
 	{}
 };

sound/usb/caiaq/control.c

···
 	struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card);
 	int pos = kcontrol->private_value;
 	int v = ucontrol->value.integer.value[0];
-	unsigned char cmd = EP1_CMD_WRITE_IO;
+	unsigned char cmd;
 
-	if (cdev->chip.usb_id ==
-		USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1))
+	switch (cdev->chip.usb_id) {
+	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER):
+	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER2):
+	case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_KORECONTROLLER):
 		cmd = EP1_CMD_DIMM_LEDS;
-
-	if (cdev->chip.usb_id ==
-		USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER))
-		cmd = EP1_CMD_DIMM_LEDS;
+		break;
+	default:
+		cmd = EP1_CMD_WRITE_IO;
+		break;
+	}
 
 	if (pos & CNT_INTVAL) {
 		int i = pos & ~CNT_INTVAL;

virt/kvm/arm/vgic-v2.c

···
 				  struct vgic_lr lr_desc)
 {
 	if (!(lr_desc.state & LR_STATE_MASK))
-		set_bit(lr, (unsigned long *)vcpu->arch.vgic_cpu.vgic_v2.vgic_elrsr);
+		__set_bit(lr, (unsigned long *)vcpu->arch.vgic_cpu.vgic_v2.vgic_elrsr);
 }
 
 static u64 vgic_v2_get_elrsr(const struct kvm_vcpu *vcpu)