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Commit Graph

442710 Commits

Author SHA1 Message Date
Linus Torvalds
80932ec1c0 Merge branch 'renameat2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull renameat2 arch support from Miklos Szeredi:
 "I've collected architecture patches for the renameat2 syscall that
  maintainers acked and/or asked me to queue.

  This adds architecture support for the renameat2 syscall to m68k,
  parisc, ia64 and through asm-generic to arc, arm64, c6x, hexagon,
  metag, openrisc, score, tile, unicore32"

* 'renameat2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  scripts/checksyscalls.sh: Make renameat optional
  asm-generic: Add renameat2 syscall
  ia64: add renameat2 syscall
  parisc: add renameat2 syscall
  m68k: add renameat2 syscall
2014-05-22 05:34:57 +09:00
Toralf Förster
8ecc1bad4c sparc64: fix format string mismatch in arch/sparc/kernel/sysfs.c
found by cppcheck

Signed-off-by: Toralf Förster <toralf.foerster@gmx.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-21 12:54:42 -07:00
Linus Torvalds
989d216f86 IOMMU Fixes for Linux v3.15-rc5
3 Fixes for the AMD IOMMU driver:
 
 	* Fix a locking issue around get_user_pages()
 	* Fix 2 issues with device aliasing and
 	  exclusion range handling
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Merge tag 'iommu-fixes-v3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fixes from Joerg Roedel:
 "Three fixes for the AMD IOMMU driver:
   - fix a locking issue around get_user_pages()
   - fix two issues with device aliasing and exclusion range handling"

* tag 'iommu-fixes-v3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/amd: fix enabling exclusion range for an exact device
  iommu/amd: Take mmap_sem when calling get_user_pages
  iommu/amd: Fix interrupt remapping for aliased devices
2014-05-22 04:29:39 +09:00
Linus Torvalds
677d1bb0cb * Fix iBFT regression on Broadcom NICs introduced in 3.2.
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Merge tag 'stable/for-linus-3.15-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft

Pull iscsi_ibft fix from Konrad Rzeszutek Wilk:
 "Fix iBFT regression on Broadcom NICs introduced in 3.2"

* tag 'stable/for-linus-3.15-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
  iscsi_ibft: Fix finding Broadcom specific ibft sign
2014-05-22 04:28:21 +09:00
Linus Torvalds
f6ce579d91 SH Driver Update for v3.15
* Compile drivers/sh/pm_runtime.c if ARCH_SHMOBILE_MULTI
 
   This resolves a regression introduced in v3.14 by
   bf98c1eac1 ("ARM: Rename ARCH_SHMOBILE to ARCH_SHMOBILE_LEGACY").
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Merge tag 'renesas-sh-drivers-for-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas

Pull SH driver fix from Simon Horman:
 "Compile drivers/sh/pm_runtime.c if ARCH_SHMOBILE_MULTI

  This resolves a regression introduced in v3.14 by commit bf98c1eac1
  ("ARM: Rename ARCH_SHMOBILE to ARCH_SHMOBILE_LEGACY")"

* tag 'renesas-sh-drivers-for-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  drivers: sh: compile drivers/sh/pm_runtime.c if ARCH_SHMOBILE_MULTI
2014-05-22 04:26:23 +09:00
J. Bruce Fields
27b11428b7 nfsd4: warn on finding lockowner without stateid's
The current code assumes a one-to-one lockowner<->lock stateid
correspondance.

Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2014-05-21 11:11:21 -04:00
J. Bruce Fields
a1b8ff4c97 nfsd4: remove lockowner when removing lock stateid
The nfsv4 state code has always assumed a one-to-one correspondance
between lock stateid's and lockowners even if it appears not to in some
places.

We may actually change that, but for now when FREE_STATEID releases a
lock stateid it also needs to release the parent lockowner.

Symptoms were a subsequent LOCK crashing in find_lockowner_str when it
calls same_lockowner_ino on a lockowner that unexpectedly has an empty
so_stateids list.

Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2014-05-21 11:11:21 -04:00
David Howells
6c67c7c38c AFS: Fix cache manager service handlers
Fix the cache manager RPC service handlers.  The afs_send_empty_reply() and
afs_send_simple_reply() functions:

 (a) Kill the call and free up the buffers associated with it if they fail.

 (b) Return with call intact if it they succeed.

However, none of the callers actually check the result or clean up if
successful - and may use the now non-existent data if it fails.

This was detected by Dan Carpenter using a static checker:

	The patch 08e0e7c82e: "[AF_RXRPC]: Make the in-kernel AFS
	filesystem use AF_RXRPC." from Apr 26, 2007, leads to the following
	static checker warning:
	"fs/afs/cmservice.c:155 SRXAFSCB_CallBack()
		 warn: 'call' was already freed."

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David Howells <dhowells@redhat.com>
2014-05-21 14:48:05 +01:00
Ralf Baechle
e5eb925a18 MIPS: Change type of asid_cache to unsigned long
asid_cache must be unsigned long otherwise on 64 bit systems it will
become 0 if the value in get_new_mmu_context() reaches 0xffffffff and
in the end the assumption of ASID_FIRST_VERSION is not true anymore
thus leads to more dangerous things.

Initial patch by Yong Zhang <yong.zhang@windriver.com>

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: libin <huawei.libin@huawei.com>
2014-05-21 12:25:39 +02:00
Linus Torvalds
fba69f042a Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
 "Most of the changes are drivers fixes (rtl28xuu, fc2580, ov7670,
  davinci, gspca, s5p-fimc and s5c73m3).

  There is also a compat32 fix and one infoleak fixup at the media
  controller"

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  [media] V4L2: fix VIDIOC_CREATE_BUFS in 64- / 32-bit compatibility mode
  [media] V4L2: ov7670: fix a wrong index, potentially Oopsing the kernel from user-space
  [media] media-device: fix infoleak in ioctl media_enum_entities()
  [media] fc2580: fix tuning failure on 32-bit arch
  [media] Prefer gspca_sonixb over sn9c102 for all devices
  [media] media: davinci: vpfe: make sure all the buffers unmapped and released
  [media] staging: media: davinci: vpfe: make sure all the buffers are released
  [media] media: davinci: vpbe_display: fix releasing of active buffers
  [media] media: davinci: vpif_display: fix releasing of active buffers
  [media] media: davinci: vpif_capture: fix releasing of active buffers
  [media] s5p-fimc: Fix YUV422P depth
  [media] s5c73m3: Add missing rename of v4l2_of_get_next_endpoint() function
  [media] rtl28xxu: silence error log about disabled rtl2832_sdr module
  [media] rtl28xxu: do not hard depend on staging SDR module
2014-05-21 19:01:08 +09:00
Linus Torvalds
84e12d992a Staging driver fixes for 3.15-rc6
Here are 5 staging driver fixes for 3.15-rc6 that resolve some reported
 issues.  They are for the imx and rtl8723au drivers.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are five staging driver fixes for 3.15-rc6 that resolve some
  reported issues.  They are for the imx and rtl8723au drivers"

* tag 'staging-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: rtl8723au: Do not reset wdev->iftype in netdev_close()
  staging: rtl8723au: Use correct pipe type for USB interrupts
  imx-drm: imx-tve: correct DDC property name to 'ddc-i2c-bus'
  imx-drm: imx-drm-core: skip components whose parent device is disabled
  imx-drm: imx-drm-core: fix imx_drm_encoder_get_mux_id
2014-05-21 19:00:09 +09:00
Linus Torvalds
439c610992 Driver core fixes for 3.15-rc6
Here are two driver core (well, sysfs) fixes for 3.15-rc6 that resolve
 some reported issues and a regression from 3.13.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two driver core (well, sysfs) fixes for 3.15-rc6 that resolve
  some reported issues and a regression from 3.13"

* tag 'driver-core-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  sysfs: make sure read buffer is zeroed
  kernfs, sysfs, cgroup: restrict extra perm check on open to sysfs
2014-05-21 18:59:25 +09:00
Linus Torvalds
957cf2582a PCI updates for v3.15:
PCI device hotplug
     - Fix SHPCHP bus speed mismatch issue (Marcel Apfelbaum)
 
   Miscellaneous
     - Fix pci_wait_for_pending_transaction() (Gavin Shan)
     - Update email address (Ben Hutchings)
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Merge tag 'pci-v3.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "These are fixes for an SHPCHP hotplug regression, a "wait for pending
  transaction" problem (used in device reset paths), and an email
  address update.

  PCI device hotplug:
    - Fix SHPCHP bus speed mismatch issue (Marcel Apfelbaum)

  Miscellaneous:
    - Fix pci_wait_for_pending_transaction() (Gavin Shan)
    - Update email address (Ben Hutchings)"

* tag 'pci-v3.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Wrong register used to check pending traffic
  PCI: shpchp: Check bridge's secondary (not primary) bus speed
  PCI: Update my email address
2014-05-21 18:57:25 +09:00
Linus Torvalds
b84293b23e This fixes a BUG_ON-causing regression that was introduced during the
last merge window.
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

Pull /dev/random fix from Ted Ts'o:
 "This fixes a BUG_ON-causing regression that was introduced during the
  last merge window"

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
  random: fix BUG_ON caused by accounting simplification
2014-05-21 18:56:35 +09:00
Linus Torvalds
026d68be45 Clock framework and driver fixes, all of which fix user-visible
regressions. As usual most fixes are for platform-specific clock
 drivers, but there are also two fixes to the clk core after recent
 changes to the way that clock unregistration is handled.
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Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux

Pull clock framework fixes from Mike Turquette:
 "Clock framework and driver fixes, all of which fix user-visible
  regressions.

  As usual most fixes are for platform-specific clock drivers, but there
  are also two fixes to the clk core after recent changes to the way
  that clock unregistration is handled"

* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux:
  clk: tegra: Fix wrong value written to PLLE_AUX
  clk: shmobile: clk-mstp: change to using clock-indices
  clk: Fix slab corruption in clk_unregister()
  clk: Fix double free due to devm_clk_register()
  clk: socfpga: fix clock driver for 3.15
  clk: divider: Fix best div calculation for power-of-two and table dividers
  clk: bcm281xx: don't use unnamed structs or unions
2014-05-21 18:55:17 +09:00
Linus Torvalds
b2e3432af1 spi: Fixes for v3.15
A few core fixes around outlying cases here, nothing that should affect
 most users but useful fixes.  The diffstat is rather larger than one
 might hope due some simple code motion in the fix for !CONFIG_DMA, the
 actual meaningful change is much smaller.
 
  - Fix handling of unsupported dual and quad mode support on slave
    registration so that drivers that can degrade gracefully do so,
    preventing regressions for drivers this is added.
  - Fix build in !CONFIG_DMA cases following addition of generic DMA
    mapping support.
  - Fix error handling for queue creation which due to wider kernel
    changes can be triggered more easily.
  - A couple of driver specific fixes.
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Merge tag 'spi-v3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few core fixes around outlying cases here, nothing that should
  affect most users but useful fixes.  The diffstat is rather larger
  than one might hope due some simple code motion in the fix for
  !CONFIG_DMA, the actual meaningful change is much smaller.

   - Fix handling of unsupported dual and quad mode support on slave
     registration so that drivers that can degrade gracefully do so,
     preventing regressions for drivers this is added.
   - Fix build in !CONFIG_DMA cases following addition of generic DMA
     mapping support.
   - Fix error handling for queue creation which due to wider kernel
     changes can be triggered more easily.
   - A couple of driver specific fixes"

* tag 'spi-v3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi/pxa2xx: Prevent DMA from transferring too many bytes
  spi: core: Don't destroy master queue if we fail to create it
  spi: qup: Fix return value checking for pm_runtime_get_sync()
  spi: core: Protect DMA code by #ifdef CONFIG_HAS_DMA
  spi: core: Ignore unsupported Dual/Quad Transfer Mode bits
2014-05-21 18:53:55 +09:00
Linus Torvalds
081069ff81 GPIO fixes for the v3.15 series:
- Fix a null pointer bug in the ICH6 chipset driver
 
 - Fix device tree registration for the mcp23s08 driver
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Merge tag 'gpio-v3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 - fix a null pointer bug in the ICH6 chipset driver
 - fix device tree registration for the mcp23s08 driver

* tag 'gpio-v3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: mcp23s08: Bug fix of SPI device tree registration.
  gpio: ich: set regs and reglen for i3100 and ich6 chipset
2014-05-21 18:53:13 +09:00
Linus Torvalds
06eb4cc2e7 Merge branch 'for-3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull more cgroup fixes from Tejun Heo:
 "Three more patches to fix cgroup_freezer breakage due to the recent
  cgroup internal locking changes - an operation cgroup_freezer was
  using now requires sleepable context and cgroup_freezer was invoking
  that while holding a spin lock.  cgroup_freezer was using an overly
  elaborate hierarchical locking scheme.

  While it's possible to convert the hierarchical spinlocks directly to
  mutexes, this patch simplifies the overall locking so that it uses a
  global mutex.  This has the added benefit of avoiding iterating
  potentially huge number of tasks under a spinlock.  While the patch is
  on the larger side in the devel cycle, the changes made are mostly
  straight-forward and the locking logic is a lot simpler afterwards"

* 'for-3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: fix rcu_read_lock() leak in update_if_frozen()
  cgroup_freezer: replace freezer->lock with freezer_mutex
  cgroup: introduce task_css_is_root()
2014-05-21 18:36:40 +09:00
Linus Torvalds
6ab9028d00 Merge branch 'for-3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
 "Mostly device-specific fixes.  The only thing which isn't is the fix
  for zpodd oops-on-detach bug"

* 'for-3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  ahci: imx: PLL clock needs 100us to settle down
  ata: pata_at91 only works on sam9
  libata: clean up ZPODD when a port is detached
  ahci: imx: software workaround for phy reset issue in resume
  ahci: imx: add namespace for register enums
  ahci: disable DEVSLP for Intel Valleyview
2014-05-21 18:35:42 +09:00
Linus Torvalds
1f5518b4e7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes a NULL pointer dereference on allocation failure in caam,
  as well as a regression in the ctr mode on s390 that was added with
  the recent concurrency fixes"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: s390 - fix aes,des ctr mode concurrency finding.
  crypto: caam - add allocation failure handling in SPRINTFCAT macro
2014-05-21 18:34:35 +09:00
Linus Torvalds
a7aa96a92e Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull scsi target fixes from Nicholas Bellinger:
 "This series include:

   - Close race between iser-target network portal shutdown + accepting
     new connection logins (sagi)
   - Fix free-after-use regression in tcm_fc post conversion to
     percpu-ida pre-allocation (nab)
   - Explicitly disable Immediate + Unsolicited Data for iser-target
     connections when T10-PI is enabled (sagi + nab)
   - Allow pi_prot_type + emulate_write_cache attributes to be set to
     zero regardless of backend support (andy)
   - memory leak fix (mikulas)"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  target: fix memory leak on XCOPY
  target: Don't allow setting WC emulation if device doesn't support
  iscsi-target: Disable Immediate + Unsolicited Data with ISER Protection
  tcm_fc: Fix free-after-use regression in ft_free_cmd
  iscsi-target: Change BUG_ON to REJECT in iscsit_process_nop_out
  Target/iscsi,iser: Avoid accepting transport connections during stop stage
  Target/iser: Fix iscsit_accept_np and rdma_cm racy flow
  Target/iser: Fix wrong connection requests list addition
  target: Allow non-supporting backends to set pi_prot_type to 0
2014-05-21 18:03:14 +09:00
Linus Torvalds
b14002761c Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "Some I2C bugfixes for 3.15.  Typical stuff, I'd say"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: rcar: bail out on zero length transfers
  i2c: qup: Fix pm_runtime_get_sync usage
  i2c: s3c2410: resume race fix
  i2c: nomadik: Don't use IS_ERR for devm_ioremap
  i2c: designware: Mask all interrupts during i2c controller enable
2014-05-21 18:02:12 +09:00
Linus Torvalds
478c7cf7a8 ACPI and power management fixes for 3.15-rc6
- ACPICA fix for a stale pointer access introduced by a recent
    commit in the XSDT validation code from Lv Zheng.
 
  - ACPICA fix for the default value of the command line switch
    to favor 32-bit FADT addresses (in case there's a conflict
    between a 64-bit and a 32-bit address).  The previous default
    was that the 32-bit version would take precedence and we tried
    to change it to the other way around and it didn't work.
    From Lv Zheng.
 
  - A TPM commit related to ACPI _DSM in 3.14 caused the driver to
    refuse to load if a specific _DSM was missing and that broke
    resume from system suspend on Chromebooks that require the TPM
    hardware to be restored to a working state during resume by the
    OS.  Restore the old behavior to load the driver if the _DSM
    in question is not present, but prevent it from using the
    feature the _DSM is for.
 
  - ACPI AC driver conversion in 3.13 broke thermal management on
    at least one machine and has to be reverted.  From Guenter Roeck.
 
  - Two reverts of 3.13 commits that attempted to remove the old ACPI
    battery interface in /proc, but turned out to break some utilities
    still using that interface.  From Lan Tianyu.
 
  - ACPI processor driver fix to prevent acpi_processor_add() from
    modifying the CPU device's .offline field which leads to breakage
    if the initial online of the CPU fails.  From Igor Mammedov.
 
  - Two intel_pstate fixes, one to take a BayTrail documentation update
    into account and one to avoid forcing the maximum P-state on init
    which causes CPU PM trouble on systems with P-states coordination
    when one of the CPU cores is initialized after an offline/online
    cycle triggered by user space.  Both stable candidates, from
    Dirk Brandewie.
 
  - Fix for the ACPI video DMI blacklist entry for Dell Inspiron 7520
    from Aaron Lu.
 
  - Two new ACPI video blacklist entries for machines shipping with
    Win8 that need to use native backlight so that it can be controlled
    in a usual way (which doesn't work otherwise due bugs in the ACPI
    tables) from Hans de Goede.
 
  - Two ACPI _OSI quirks for systems that need them to work correctly
    with Linux from Edward Lin and Hans de Goede.
 
 /
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Merge tag 'pm+acpi-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:
 "Still fixing regressions (partly by reverting commits that broke
  things for people), fixing other stable-candidate bugs and adding some
  blacklist entries for ACPI video and _OSI.

  Two ACPICA regression fixes (one recent and one for a 3.14 commit), a
  fix for an ACPI-related regression in TPM (introduced in 3.14), a
  revert of the ACPI AC driver conversion in 3.13 that went wrong for an
  unknown reason, two reverts of commits that attempted to remove an old
  user space interface in /proc and broke some utilities, in 3.13 too, a
  fix for a CPU hotplug bug in the ACPI processor driver (stable
  material), two (stable candidate) fixes for intel_pstate and a few new
  blacklist entries, mostly for systems that shipped with Windows 8.

  Specifics:

   - ACPICA fix for a stale pointer access introduced by a recent commit
     in the XSDT validation code from Lv Zheng.

   - ACPICA fix for the default value of the command line switch to
     favor 32-bit FADT addresses (in case there's a conflict between a
     64-bit and a 32-bit address).  The previous default was that the
     32-bit version would take precedence and we tried to change it to
     the other way around and it didn't work.  From Lv Zheng.

   - A TPM commit related to ACPI _DSM in 3.14 caused the driver to
     refuse to load if a specific _DSM was missing and that broke resume
     from system suspend on Chromebooks that require the TPM hardware to
     be restored to a working state during resume by the OS.  Restore
     the old behavior to load the driver if the _DSM in question is not
     present, but prevent it from using the feature the _DSM is for.

   - ACPI AC driver conversion in 3.13 broke thermal management on at
     least one machine and has to be reverted.  From Guenter Roeck.

   - Two reverts of 3.13 commits that attempted to remove the old ACPI
     battery interface in /proc, but turned out to break some utilities
     still using that interface.  From Lan Tianyu.

   - ACPI processor driver fix to prevent acpi_processor_add() from
     modifying the CPU device's .offline field which leads to breakage
     if the initial online of the CPU fails.  From Igor Mammedov.

   - Two intel_pstate fixes, one to take a BayTrail documentation update
     into account and one to avoid forcing the maximum P-state on init
     which causes CPU PM trouble on systems with P-states coordination
     when one of the CPU cores is initialized after an offline/online
     cycle triggered by user space.  Both stable candidates, from Dirk
     Brandewie.

   - Fix for the ACPI video DMI blacklist entry for Dell Inspiron 7520
     from Aaron Lu.

   - Two new ACPI video blacklist entries for machines shipping with
     Win8 that need to use native backlight so that it can be controlled
     in a usual way (which doesn't work otherwise due bugs in the ACPI
     tables) from Hans de Goede.

   - Two ACPI _OSI quirks for systems that need them to work correctly
     with Linux from Edward Lin and Hans de Goede"

* tag 'pm+acpi-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / video: Revert native brightness quirk for ThinkPad T530
  intel_pstate: remove setting P state to MAX on init
  ACPICA: Tables: Restore old behavor to favor 32-bit FADT addresses.
  ACPI / video: correct DMI tag for Dell Inspiron 7520
  intel_pstate: Set turbo VID for BayTrail
  ACPI / TPM: Fix resume regression on Chromebooks
  ACPI / proc: Do not say when /proc interfaces will be deleted in Kconfig
  ACPI / processor: do not mark present at boot but not onlined CPU as onlined
  ACPI: Revert "ACPI / AC: convert ACPI ac driver to platform bus"
  ACPI / blacklist: Add dmi_enable_osi_linux quirk for Asus EEE PC 1015PX
  ACPI: blacklist win8 OSI for Dell Inspiron 7737
  ACPI / video: Add use_native_backlight quirks for more systems
  ACPI: Revert "ACPI / Battery: Remove battery's proc directory"
  ACPI: Revert "ACPI: Remove CONFIG_ACPI_PROCFS_POWER and cm_sbsc.c"
  ACPICA: Tables: Fix invalid pointer accesses in acpi_tb_parse_root_table().
2014-05-21 17:58:34 +09:00
Linus Torvalds
23de4a7af7 A dm-crypt fix for a cpu hotplug crash that switches from using per-cpu
data to a mempool allocation (which offers allocation with cpu locality,
 and there is no inter-cpu communication on slab allocation).
 
 A couple dm-thinp stable fixes to address "out-of-data-space" issues.
 
 A dm-multipath fix for a LOCKDEP warning introduced in 3.15-rc1.
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Merge tag 'dm-3.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:
 "A dm-crypt fix for a cpu hotplug crash that switches from using
  per-cpu data to a mempool allocation (which offers allocation with cpu
  locality, and there is no inter-cpu communication on slab allocation).

  A couple dm-thinp stable fixes to address "out-of-data-space" issues.

  A dm-multipath fix for a LOCKDEP warning introduced in 3.15-rc1"

* tag 'dm-3.15-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm mpath: fix lock order inconsistency in multipath_ioctl
  dm thin: add timeout to stop out-of-data-space mode holding IO forever
  dm thin: allow metadata commit if pool is in PM_OUT_OF_DATA_SPACE mode
  dm crypt: fix cpu hotplug crash by removing per-cpu structure
2014-05-21 17:57:31 +09:00
Linus Torvalds
31a3fcab11 Drivercore bugfixes for v3.15
This branch contains bug fixes important to get into v3.15. There is a
 fix for modifying properties seen during early boot, a fix for an
 incorrect prototype when CONFIG_OF=n, and a couple of corrections to
 device tree memory nodes on  a few platforms.
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Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux

Pull device tree fixes from Grant Likely:
 "Drivercore bugfixes for v3.15

  This branch contains bug fixes important to get into v3.15.  There is
  a fix for modifying properties seen during early boot, a fix for an
  incorrect prototype when CONFIG_OF=n, and a couple of corrections to
  device tree memory nodes on a few platforms"

* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
  mips: dts: Fix missing device_type="memory" property in memory nodes
  arm: dts: Fix missing device_type="memory" for ste-ccu8540
  of: fix CONFIG_OF=n prototype of of_node_full_name()
  of: make of_update_property() usable earlier in the boot process
2014-05-21 17:54:55 +09:00
Stephane Grosjean
0b5a958cf4 can: peak_pci: prevent use after free at netdev removal
As remarked by Christopher R. Baker in his post at

http://marc.info/?l=linux-can&m=139707295706465&w=2

there's a possibility for an use after free condition at device removal.

This simplified patch introduces an additional variable to prevent the issue.
Thanks for catching this.

Cc: linux-stable <stable@vger.kernel.org>
Reported-by: Christopher R. Baker <cbaker@rec.ri.cmu.edu>
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2014-05-21 08:17:03 +02:00
Arnd Bergmann
fbeb91fe8e dmaengine: sa11x0: remove broken #ifdef
The sa11x0_dma_pm_ops unconditionally reference sa11x0_dma_resume
and sa11x0_dma_suspend, which currently breaks if CONFIG_PM_SLEEP
is disabled.

There is probably a better way to remove the reference in this
case, but the safe choice is to have the suspend/resume code always
built in the driver.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: dmaengine@vger.kernel.org
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-05-21 11:40:49 +05:30
Arnd Bergmann
a8246fedac dmaengine: omap: hide filter_fn for built-in drivers
It is not possible to reference the omap_dma_filter_fn filter
function from a built-in driver if the dmaengine driver itself
is a loadable module, which is a valid configuration otherwise.

This provides only the dummy alternative if the function
is referenced by a built-in driver to allow a successful
build. The filter function is only required by ATAGS based
platforms, which will continue to be broken after this change
for the bogus configuration. When booting from DT, with the
dma channels correctly listed there, it will work fine.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: dmaengine@vger.kernel.org
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2014-05-21 11:40:49 +05:30
Steffen Klassert
78ff4be45a ip_tunnel: Initialize the fallback device properly
We need to initialize the fallback device to have a correct mtu
set on this device. Otherwise the mtu is set to null and the device
is unusable.

Fixes: fd58156e45 ("IPIP: Use ip-tunneling code.")
Cc: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-21 02:08:32 -04:00
David S. Miller
d8d33c3b8a linux-can-fixes-for-3.15-20140519
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Merge tag 'linux-can-fixes-for-3.15-20140519' of git://gitorious.org/linux-can/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2014-05-19

this is a pull request for net/master, for the v3.15 release cycle,
with a single patch.

Oliver Hartkopp's patch removes a Kconfig option in the c_can driver,
which was added as a workaround during the v3.15 development. With all
cleanup patches this workaround is not needed anymore.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-21 01:58:30 -04:00
David S. Miller
d050de607f Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter/nftables fixes for net

The following patchset contains nftables fixes for your net tree, they
are:

1) Fix crash when using the goto action in a rule by making sure that
   we always fall back on the base chain. Otherwise, this may try to
   access the counter memory area of non-base chains, which does not
   exists.

2) Fix several aspects of the rule tracing that are currently broken:

   * Reset rule number counter after goto/jump action, otherwise the
     tracing reports a bogus rule number.
   * Fix tracing of the goto action.
   * Fix bogus rule number counter after goto.
   * Fix missing return trace after finishing the walk through the
     non-base chain.
   * Fix missing trace when matching non-terminal rule.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-21 01:24:19 -04:00
Mike Snitzer
80c578930c dm thin: add 'no_space_timeout' dm-thin-pool module param
Commit 85ad643b ("dm thin: add timeout to stop out-of-data-space mode
holding IO forever") introduced a fixed 60 second timeout.  Users may
want to either disable or modify this timeout.

Allow the out-of-data-space timeout to be configured using the
'no_space_timeout' dm-thin-pool module param.  Setting it to 0 will
disable the timeout, resulting in IO being queued until more data space
is added to the thin-pool.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org # 3.14+
2014-05-20 14:30:36 -04:00
Filipe Manana
51a60253a5 Btrfs: send, fix incorrect ref access when using extrefs
When running send, if an inode only has extended reference items
associated to it and no regular references, send.c:get_first_ref()
was incorrectly assuming the reference it found was of type
BTRFS_INODE_REF_KEY due to use of the wrong key variable.
This caused weird behaviour when using the found item has a regular
reference, such as weird path string, and occasionally (when lucky)
a crash:

[  190.600652] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
[  190.600994] Modules linked in: btrfs xor raid6_pq binfmt_misc nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc psmouse serio_raw evbug pcspkr i2c_piix4 e1000 floppy
[  190.602565] CPU: 2 PID: 14520 Comm: btrfs Not tainted 3.13.0-fdm-btrfs-next-26+ #1
[  190.602728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  190.602868] task: ffff8800d447c920 ti: ffff8801fa79e000 task.ti: ffff8801fa79e000
[  190.603030] RIP: 0010:[<ffffffff813266b4>]  [<ffffffff813266b4>] memcpy+0x54/0x110
[  190.603262] RSP: 0018:ffff8801fa79f880  EFLAGS: 00010202
[  190.603395] RAX: ffff8800d4326e3f RBX: 000000000000036a RCX: ffff880000000000
[  190.603553] RDX: 000000000000032a RSI: ffe708844042936a RDI: ffff8800d43271a9
[  190.603710] RBP: ffff8801fa79f8c8 R08: 00000000003a4ef0 R09: 0000000000000000
[  190.603867] R10: 793a4ef09f000000 R11: 9f0000000053726f R12: ffff8800d43271a9
[  190.604020] R13: 0000160000000000 R14: ffff8802110134f0 R15: 000000000000036a
[  190.604020] FS:  00007fb423d09b80(0000) GS:ffff880216200000(0000) knlGS:0000000000000000
[  190.604020] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  190.604020] CR2: 00007fb4229d4b78 CR3: 00000001f5d76000 CR4: 00000000000006e0
[  190.604020] Stack:
[  190.604020]  ffffffffa01f4d49 ffff8801fa79f8f0 00000000000009f9 ffff8801fa79f8c8
[  190.604020]  00000000000009f9 ffff880211013260 000000000000f971 ffff88021147dba8
[  190.604020]  00000000000009f9 ffff8801fa79f918 ffffffffa02367f5 ffff8801fa79f928
[  190.604020] Call Trace:
[  190.604020]  [<ffffffffa01f4d49>] ? read_extent_buffer+0xb9/0x120 [btrfs]
[  190.604020]  [<ffffffffa02367f5>] fs_path_add_from_extent_buffer+0x45/0x60 [btrfs]
[  190.604020]  [<ffffffffa0238806>] get_first_ref+0x1f6/0x210 [btrfs]
[  190.604020]  [<ffffffffa0238994>] __get_cur_name_and_parent+0x174/0x3a0 [btrfs]
[  190.604020]  [<ffffffff8118df3d>] ? kmem_cache_alloc_trace+0x11d/0x1e0
[  190.604020]  [<ffffffffa0236674>] ? fs_path_alloc+0x24/0x60 [btrfs]
[  190.604020]  [<ffffffffa0238c91>] get_cur_path+0xd1/0x240 [btrfs]
(...)

Steps to reproduce (either crash or some weirdness like an odd path string):

    mkfs.btrfs -f -O extref /dev/sdd
    mount /dev/sdd /mnt

    mkdir /mnt/testdir
    touch /mnt/testdir/foobar

    for i in `seq 1 2550`; do
        ln /mnt/testdir/foobar /mnt/testdir/foobar_link_`printf "%04d" $i`
    done

    ln /mnt/testdir/foobar /mnt/testdir/final_foobar_name

    rm -f /mnt/testdir/foobar
    for i in `seq 1 2550`; do
        rm -f /mnt/testdir/foobar_link_`printf "%04d" $i`
    done

    btrfs subvolume snapshot -r /mnt /mnt/mysnap
    btrfs send /mnt/mysnap -f /tmp/mysnap.send

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
2014-05-20 10:18:26 -07:00
Liu Bo
d3ecfcdf91 Btrfs: fix EIO on reading file after ioctl clone works on it
For inline data extent, we need to make its length aligned, otherwise,
we can get a phantom extent map which confuses readpages() to return -EIO.

This can be detected by xfstests/btrfs/035.

Reported-by: David Disseldorp <ddiss@suse.de>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
2014-05-20 10:17:48 -07:00
Vlad Yasevich
e1618d461c vlan: Fix build error wth vlan_get_encap_level()
The new function vlan_get_encap_level() uses vlan_dev_priv()
which is only conditionally avaialble when VLAN support is
enabled.  Make vlan_get_encap_level() conditionally available
as well.

Fixes: 44a4085538 ("bonding: Fix stacked device detection in arp monitoring")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-20 11:24:26 -04:00
Alex Deucher
4f2f203976 drm/radeon/pm: don't allow debugfs/sysfs access when PX card is off (v2)
When the PX card is off don't try and access it. Avoid hw access
to the card while it's off (e.g., reading back invalid temperature).

v2: be less strict

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=76321

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Christian König <christian.koenig@amd.com>
2014-05-20 14:42:08 +02:00
Jérôme Glisse
24f47acc78 drm/radeon: avoid segfault on device open when accel is not working.
When accel is not working on device with virtual address space radeon
segfault because the ib buffer is NULL and trying to map it inside the
virtual address space trigger segfault. This patch only map the ib
buffer if accel is working.

Cc: <stable@vger.kernel.org>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
2014-05-20 14:42:06 +02:00
Christian König
74ad54f249 drm/radeon: fix typo in finding PLL params
Otherwise the limit is raised to high.

Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Ken Moffat <zarniwhoop@ntlworld.com>
2014-05-20 14:42:05 +02:00
Alex Deucher
4955bb073f drm/radeon: fix register typo on si
Probably a copy paste typo.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
2014-05-20 14:42:04 +02:00
Christian König
4b09556660 drm/radeon: fix buffer placement under memory pressure v2
Some buffers (UVD/VM page tables) must be placed in VRAM,
but the byte restriction for moving buffers didn't took this
into account.

v2: keep closer to the original code

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
2014-05-20 14:42:02 +02:00
Christian König
4906f6891e drm/radeon: fix page directory update size estimation
Take padding into account as well.

Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=75651

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2014-05-20 14:42:01 +02:00
Alex Deucher
d8ade3526b drm/radeon: handle non-VGA class pci devices with ATRM
Newer PX systems have non-VGA pci class dGPUs.  Update
the ATRM fetch method to handle those cases.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=75401

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
2014-05-20 14:42:00 +02:00
Alex Deucher
89d2618dbd drm/radeon: fix DCE83 check for mullins
Mullins is DCE83 just like Kabini.  Set the proper number
of endpoints on mullins.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
2014-05-20 14:41:58 +02:00
Leo Liu
2fc5703abd drm/radeon: check VCE relocation buffer range v3
v2 (chk): fix image size storage
v3 (chk): fix UV size calculation

Signed-off-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
2014-05-20 14:40:46 +02:00
Christian König
544092596e drm/radeon: also try GART for CPU accessed buffers
Placing them exclusively into VRAM might not work all the time.

Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=78297

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2014-05-20 14:19:25 +02:00
James Hogan
68b7752462 scripts/checksyscalls.sh: Make renameat optional
The new renameat2 syscall provides all the functionality of renameat
with an additional flags argument, so make renameat optional so that
future architectures can omit it without getting a warning.

This patch doesn't affect existing architectures.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: linux-arch@vger.kernel.org
2014-05-20 10:59:38 +02:00
James Hogan
63ba600028 asm-generic: Add renameat2 syscall
Add the renameat2 syscall to the generic syscall list, which is used by the
following architectures: arc, arm64, c6x, hexagon, metag, openrisc, score,
tile, unicore32.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: linux-arch@vger.kernel.org
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: linux-hexagon@vger.kernel.org
Cc: linux-metag@vger.kernel.org
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
2014-05-20 10:59:38 +02:00
Miklos Szeredi
3ca976a2cf ia64: add renameat2 syscall
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Acked-by: Tony Luck <tony.luck@intel.com>
2014-05-20 10:59:38 +02:00
Miklos Szeredi
18e480aa07 parisc: add renameat2 syscall
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Acked-by: Helge Deller <deller@gmx.de>
2014-05-20 10:59:37 +02:00
Miklos Szeredi
cc79f00f76 m68k: add renameat2 syscall
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
2014-05-20 10:59:37 +02:00