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Commit Graph

810795 Commits

Author SHA1 Message Date
Linus Torvalds
6e434bf2e3 ACPI fixes for 5.0-rc3
- Restore the ACPI initialization ordering changed implicitly by the
    module-level AML handling rework during the 4.17 development cycle
    that caused the EC address space handler based on information from
    ECDT to be set up before loading AML definition blocks, making it
    effectively not accessible by AML on some systems that don't work
    as expected any more (Rafael Wysocki).
 
  - Add direct dependencies on PCI to Kconfig in multiple places for
    code that depends on both ACPI and PCI, but the PCI dependency
    was implicitly satisfied by the ACPI dependency before, to prevent
    invalid configurations from being created, for example by
    randconfig (Sinan Kaya).
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Merge tag 'acpi-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "These fix an ACPI initialization ordering issue introduced in the 4.17
  time frame and causing functional problems to appear on multiple
  systems and fix some fallout of the recent change to enable building
  kernels with ACPI support and without PCI.

  Specifics:

   - Restore the ACPI initialization ordering changed implicitly by the
     module-level AML handling rework during the 4.17 development cycle
     that caused the EC address space handler based on information from
     ECDT to be set up before loading AML definition blocks, making it
     effectively not accessible by AML on some systems that don't work
     as expected any more (Rafael Wysocki).

   - Add direct dependencies on PCI to Kconfig in multiple places for
     code that depends on both ACPI and PCI, but the PCI dependency was
     implicitly satisfied by the ACPI dependency before, to prevent
     invalid configurations from being created, for example by
     randconfig (Sinan Kaya)"

* tag 'acpi-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: EC: Look for ECDT EC after calling acpi_load_tables()
  drivers: thermal: int340x_thermal: Make PCI dependency explicit
  x86/intel/lpss: Make PCI dependency explicit
  platform/x86: apple-gmux: Make PCI dependency explicit
  platform/x86: intel_pmc: Make PCI dependency explicit
  platform/x86: intel_ips: make PCI dependency explicit
  vga-switcheroo: make PCI dependency explicit
  ata: pata_acpi: Make PCI dependency explicit
  ACPI / LPSS: Make PCI dependency explicit
2019-01-19 05:46:00 +12:00
Linus Torvalds
2a8cbf2a02 fbdev fixes for v5.0-rc3:
- fix stack memory leak in omap2fb driver (Vlad Tsyrklevich)
 
 - fix OF node name handling v4.20 regression in offb driver (Rob Herring)
 
 - convert CONFIG_FB_LOGO_CENTER config option added in v5.0-rc1 into
   a kernel parameter (Peter Rosin)
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Merge tag 'fbdev-v5.0-rc3' of git://github.com/bzolnier/linux

Pull fbdev fixes from Bartlomiej Zolnierkiewicz:

 - fix stack memory leak in omap2fb driver (Vlad Tsyrklevich)

 - fix OF node name handling v4.20 regression in offb driver (Rob
   Herring)

 - convert CONFIG_FB_LOGO_CENTER config option added in v5.0-rc1 into a
   kernel parameter (Peter Rosin)

* tag 'fbdev-v5.0-rc3' of git://github.com/bzolnier/linux:
  fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd line option
  fbdev: offb: Fix OF node name handling
  omap2fb: Fix stack memory disclosure
2019-01-19 05:43:05 +12:00
Linus Torvalds
c3653ebdf8 drm/nouveau: add TU102 support
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Merge tag 'drm-fixes-2019-01-18-1' of git://anongit.freedesktop.org/drm/drm

Pull drm update from Dave Airlie:
 "Add nouveau TU102 (RTX 2080 Ti) support"

* tag 'drm-fixes-2019-01-18-1' of git://anongit.freedesktop.org/drm/drm:
  drm/nouveau/core: recognise TU102
2019-01-19 05:41:38 +12:00
Rafael J. Wysocki
11ee2a3808 Merge branch 'acpi-pci'
* acpi-pci:
  drivers: thermal: int340x_thermal: Make PCI dependency explicit
  x86/intel/lpss: Make PCI dependency explicit
  platform/x86: apple-gmux: Make PCI dependency explicit
  platform/x86: intel_pmc: Make PCI dependency explicit
  platform/x86: intel_ips: make PCI dependency explicit
  vga-switcheroo: make PCI dependency explicit
  ata: pata_acpi: Make PCI dependency explicit
  ACPI / LPSS: Make PCI dependency explicit
2019-01-18 11:17:16 +01:00
Dave Airlie
9420151d88 Merge branch 'linux-4.21' of git://github.com/skeggsb/linux into drm-fixes
nouveau support for TU102 (RTX 2080 Ti)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ben Skeggs <bskeggs@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CABDvA=mQsRr0BpRpv3n6UjthHush4u_kQR3oUGHkBtAHTmyCYw@mail.gmail.com
2019-01-18 15:38:18 +10:00
Linus Torvalds
d7393226d1 First 5.0 rc pull request
Not much so far, but I'm feeling like the 2nd PR -rc will be larger than
 this. We have the usual batch of bugs and two fixes to code merged this cycle.
 
 - Restore valgrind support for the ioctl verbs interface merged this window,
   and fix a missed error code on an error path from that conversion
 
 - A user reported crash on obsolete mthca hardware
 
 - pvrdma was using the wrong command opcode toward the hypervisor
 
 - NULL pointer crash regression when dumping rdma-cm over netlink
 
 - Be conservative about exposing the global rkey
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes frfom Jason Gunthorpe:
 "Not much so far. We have the usual batch of bugs and two fixes to code
  merged this cycle:

   - Restore valgrind support for the ioctl verbs interface merged this
     window, and fix a missed error code on an error path from that
     conversion

   - A user reported crash on obsolete mthca hardware

   - pvrdma was using the wrong command opcode toward the hypervisor

   - NULL pointer crash regression when dumping rdma-cm over netlink

   - Be conservative about exposing the global rkey"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/uverbs: Mark ioctl responses with UVERBS_ATTR_F_VALID_OUTPUT
  RDMA/mthca: Clear QP objects during their allocation
  RDMA/vmw_pvrdma: Return the correct opcode when creating WR
  RDMA/cma: Add cm_id restrack resource based on kernel or user cm_id type
  RDMA/nldev: Don't expose unsafe global rkey to regular user
  RDMA/uverbs: Fix post send success return value in case of error
2019-01-18 17:17:20 +12:00
Linus Torvalds
1092a94fcb drm amdgpu, i915 gvt, sun4i, meson, rockchip, qxl, virtio fixes
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Merge tag 'drm-fixes-2019-01-18' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "The rc3 fixes are a bit scattered:

   - meson, sun4i and rockchip all had missing of_node_put.

   - qxl and virtio both were advertising dma-buf to userspace when they
     really shouldn't have.

  Otherwise:

  meson:
   - modesetting regression fix

  i915 GVT:
   - one cmd parser failure fix
   - region cleanup fix in vGPU destroy

  amdgpu:
   - KFD fixes for arm64 mixed APU/DGPU
   - vega12 powerplay fix
   - raven DC fixes
   - freesync fix"

* tag 'drm-fixes-2019-01-18' of git://anongit.freedesktop.org/drm/drm:
  drm/amd/display: Detach backlight from stream
  drm/sun4i: backend: add missing of_node_puts
  Revert "drm/amdgpu: validate user pitch alignment"
  Revert "drm/amdgpu: validate user GEM object size"
  drm/meson: Fix atomic mode switching regression
  drm/i915/gvt: Fix mmap range check
  drm/i915/gvt: free VFIO region space in vgpu detach
  drm/amd/display: Fix disabled cursor on top screen edge
  drm/amd/display: fix warning on raven hotplug
  drm/amd/display: fix PME notification not working in RV desktop
  drm/amd/display: Only get the connector state for VRR when toggled
  drm/amd/display: Pack DMCU iRAM alignment
  drm/amd/powerplay: run acg btc for Vega12
  drm/amdkfd: Don't assign dGPUs to APU topology devices
  drm/amdkfd: Allow building KFD on ARM64 (v2)
  drm/meson: add missing of_node_put
  drm/virtio: drop prime import/export callbacks
  drm/qxl: drop prime import/export callbacks
  drm/i915/gvt: Allow F_CMD_ACCESS on mmio 0x21f0
  drm/rockchip: add missing of_node_put
2019-01-18 17:14:02 +12:00
Linus Torvalds
2451f3717c LED fix for 5.0-rc3
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Merge tag 'led-fix-for-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED fix from Jacek Anaszewski.

* tag 'led-fix-for-5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  leds: lp5523: fix a missing check of return value of lp55xx_read
2019-01-18 16:58:07 +12:00
Linus Torvalds
0a2fbed84a hwmon fixes for v5.0-rc3
Minor fixes/regressions.
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Merge tag 'hwmon-for-v5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Minor fixes/regressions"

* tag 'hwmon-for-v5.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (tmp421) Correct the misspelling of the tmp442 compatible attribute in OF device ID table
  hwmon: (occ) Fix potential integer overflow
  hwmon: (lm80) Fix missing unlock on error in set_fan_div()
  hwmon: (nct6775) Enable IO mapping for NCT6797D and NCT6798D
  hwmon: (nct6775) Fix chip ID for NCT6798D
2019-01-18 16:55:49 +12:00
Ben Skeggs
7ebec5f431 drm/nouveau/core: recognise TU102
Would usually do this split-out, verifying each component indivitually, but
this has been squashed together to be more palatable for merging in 5.0-rc.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-01-18 14:18:08 +10:00
Dave Airlie
df0219b4f9 drm-misc-fixes for v5.0-rc3:
- Add missing calls to of_node_put to sun4i, meson, and rockchip.
 - Drop unimplemented prime callbacks in virtio and qxl, so support
   for prime is not advertised on those drivers.
 - Fix mode switching regression in meson.
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Merge tag 'drm-misc-fixes-2019-01-17' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes for v5.0-rc3:
- Add missing calls to of_node_put to sun4i, meson, and rockchip.
- Drop unimplemented prime callbacks in virtio and qxl, so support
  for prime is not advertised on those drivers.
- Fix mode switching regression in meson.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9af07312-f435-2fda-65a2-9fe92cdf5da4@linux.intel.com
2019-01-18 09:14:45 +10:00
Dave Airlie
4ac4cb70d1 drm/i915/gvt fixes for v5.0-rc3
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Merge tag 'drm-intel-fixes-2019-01-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

drm/i915/gvt fixes for v5.0-rc3

"This contains one cmd parser failure fix to allow cmd access for one
register, and fix region cleanup properly in vGPU destroy, and another
fix for critical mmap size check mistake."

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87ef9bfusc.fsf@intel.com
2019-01-18 09:13:14 +10:00
Dave Airlie
586cdb0db7 Merge branch 'drm-fixes-5.0' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Fixes for 5.0:
- Fix KFD on ARM64
- Fix KFD topology with mixed APU and dGPU systems
- Powerplay fix for vega12
- DC Raven fixes
- Freesync fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190116224524.3314-1-alexander.deucher@amd.com
2019-01-18 09:10:21 +10:00
Kangjie Lu
248b57015f leds: lp5523: fix a missing check of return value of lp55xx_read
When lp55xx_read() fails, "status" is an uninitialized variable and thus
may contain random value; using it leads to undefined behaviors.

The fix inserts a check for the return value of lp55xx_read: if it
fails, returns with its error code.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2019-01-17 22:27:39 +01:00
Cheng-Min Ao
f422449b58 hwmon: (tmp421) Correct the misspelling of the tmp442 compatible attribute in OF device ID table
Correct a typo in OF device ID table
The last one should be 'ti,tmp442'

Signed-off-by: Cheng-Min Ao <tony_ao@wiwynn.com>
Signed-off-by: Yu-Hsiang Chen <matt_chen@wiwynn.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-01-17 12:54:52 -08:00
Linus Torvalds
a3a80255d5 AFS fixes
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Merge tag 'afs-fixes-20190117' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull AFS fixes from David Howells:
 "Here's a set of fixes for AFS:

   - Use struct_size() for kzalloc() size calculation.

   - When calling YFS.CreateFile rather than AFS.CreateFile, it is
     possible to create a file with a file lock already held. The
     default value indicating no lock required is actually -1, not 0.

   - Fix an oops in inode/vnode validation if the target inode doesn't
     have a server interest assigned (ie. a server that will notify us
     of changes by third parties).

   - Fix refcounting of keys in file locking.

   - Fix a race in refcounting asynchronous operations in the event of
     an error during request transmission. The provision of a dedicated
     function to get an extra ref on a call is split into a separate
     commit"

* tag 'afs-fixes-20190117' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  afs: Fix race in async call refcounting
  afs: Provide a function to get a ref on a call
  afs: Fix key refcounting in file locking code
  afs: Don't set vnode->cb_s_break in afs_validate()
  afs: Set correct lock type for the yfs CreateFile
  afs: Use struct_size() in kzalloc()
2019-01-18 06:27:24 +12:00
Linus Torvalds
6d060fa390 Merge branch 'stable/for-linus-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
Pull swiotlb fix from Konrad Rzeszutek Wilk:
 "A tiny fix for v5.0-rc2:

  This fixes an issue with GPU cards not working anymore with the DMA
  mapping work Christopher did - as the SWIOTLB is initialized first and
  then free'd (as IOMMU is available) but we forgot to clear our start
  and end entries which are used and BOOM"

* 'stable/for-linus-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
  swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit
2019-01-18 06:22:08 +12:00
Linus Torvalds
e4484a4955 Kbuild fixes for v5.0
- clean generated files in scripts/kconfig/ by 'make mrproper'
 
  - fix conflict between dead code elimination and ftrace for GCC <= 4.7
 
  - fix external module build with CONFIG_STACKPROTECTOR
 
  - remove unused code
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Merge tag 'kbuild-fixes-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - clean generated files in scripts/kconfig/ by 'make mrproper'

 - fix conflict between dead code elimination and ftrace for GCC <= 4.7

 - fix external module build with CONFIG_STACKPROTECTOR

 - remove unused code

* tag 'kbuild-fixes-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: mark prepare0 as PHONY to fix external module build
  openrisc: remove unneeded code in arch/openrisc/Makefile
  nds32: remove unneeded code in arch/nds32/Makefile
  ia64: remove redundant 'export AWK'
  kbuild: remove unused archmrproper
  kbuild: remove unused baseprereq
  kbuild: Disable LD_DEAD_CODE_DATA_ELIMINATION with ftrace & GCC <= 4.7
  kconfig: clean generated *conf-cfg files
2019-01-18 06:20:09 +12:00
Linus Torvalds
d471c4dfa1 Devicetree fixes for v5.0:
- Remove now unused struct device_node.type pointer
 
 - Fix meson-axg reset header SPDX tag
 
 - Add missing of_node_put in of_graph_get_remote_port_parent
 
 - Fix several binding doc file references and typos
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Merge tag 'devicetree-fixes-for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree fixes from Rob Herring:

 - Remove now unused struct device_node.type pointer

 - Fix meson-axg reset header SPDX tag

 - Add missing of_node_put in of_graph_get_remote_port_parent

 - Fix several binding doc file references and typos

* tag 'devicetree-fixes-for-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: reset: meson-axg: fix SPDX license id
  dt-bindings: soc: qcom: Fix trivial language typos
  doc: gpio-mvebu: fix broken reference to cp110-system-controller0.txt file
  OF: properties: add missing of_node_put
  doc: bindings: fix bad reference to ARM CPU bindings
  dt-bindings: marvell,mmp2: fix typos in bindings doc
  of: Remove struct device_node.type pointer
2019-01-18 06:15:28 +12:00
David Howells
34fa47612b afs: Fix race in async call refcounting
There's a race between afs_make_call() and afs_wake_up_async_call() in the
case that an error is returned from rxrpc_kernel_send_data() after it has
queued the final packet.

afs_make_call() will try and clean up the mess, but the call state may have
been moved on thereby causing afs_process_async_call() to also try and to
delete the call.

Fix this by:

 (1) Getting an extra ref for an asynchronous call for the call itself to
     hold.  This makes sure the call doesn't evaporate on us accidentally
     and will allow the call to be retained by the caller in a future
     patch.  The ref is released on leaving afs_make_call() or
     afs_wait_for_call_to_complete().

 (2) In the event of an error from rxrpc_kernel_send_data():

     (a) Don't set the call state to AFS_CALL_COMPLETE until *after* the
     	 call has been aborted and ended.  This prevents
     	 afs_deliver_to_call() from doing anything with any notifications
     	 it gets.

     (b) Explicitly end the call immediately to prevent further callbacks.

     (c) Cancel any queued async_work and wait for the work if it's
     	 executing.  This allows us to be sure the race won't recur when we
     	 change the state.  We put the work queue's ref on the call if we
     	 managed to cancel it.

     (d) Put the call's ref that we got in (1).  This belongs to us as long
     	 as the call is in state AFS_CALL_CL_REQUESTING.

Fixes: 341f741f04 ("afs: Refcount the afs_call struct")
Signed-off-by: David Howells <dhowells@redhat.com>
2019-01-17 15:17:28 +00:00
David Howells
7a75b0079a afs: Provide a function to get a ref on a call
Provide a function to get a reference on an afs_call struct.

Signed-off-by: David Howells <dhowells@redhat.com>
2019-01-17 15:17:28 +00:00
David Howells
59d49076ae afs: Fix key refcounting in file locking code
Fix the refcounting of the authentication keys in the file locking code.
The vnode->lock_key member points to a key on which it expects to be
holding a ref, but it isn't always given an extra ref, however.

Fixes: 0fafdc9f88 ("afs: Fix file locking")
Signed-off-by: David Howells <dhowells@redhat.com>
2019-01-17 15:17:28 +00:00
Marc Dionne
4882a27cec afs: Don't set vnode->cb_s_break in afs_validate()
A cb_interest record is not necessarily attached to the vnode on entry to
afs_validate(), which can cause an oops when we try to bring the vnode's
cb_s_break up to date in the default case (ie. no current callback promise
and the vnode has not been deleted).

Fix this by simply removing the line, as vnode->cb_s_break will be set when
needed by afs_register_server_cb_interest() when we next get a callback
promise from RPC call.

The oops looks something like:

    BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
    ...
    RIP: 0010:afs_validate+0x66/0x250 [kafs]
    ...
    Call Trace:
     afs_d_revalidate+0x8d/0x340 [kafs]
     ? __d_lookup+0x61/0x150
     lookup_dcache+0x44/0x70
     ? lookup_dcache+0x44/0x70
     __lookup_hash+0x24/0xa0
     do_unlinkat+0x11d/0x2c0
     __x64_sys_unlink+0x23/0x30
     do_syscall_64+0x4d/0xf0
     entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: ae3b7361dc ("afs: Fix validation/callback interaction")
Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
2019-01-17 15:15:52 +00:00
Masahiro Yamada
e00d888048 kbuild: mark prepare0 as PHONY to fix external module build
Commit c3ff2a5193 ("powerpc/32: add stack protector support")
caused kernel panic on PowerPC when an external module is used with
CONFIG_STACKPROTECTOR because the 'prepare' target was not executed
for the external module build.

Commit e07db28eea ("kbuild: fix single target build for external
module") turned it into a build error because the 'prepare' target is
now executed but the 'prepare0' target is missing for the external
module build.

External module on arm/arm64 with CONFIG_STACKPROTECTOR_PER_TASK is
also broken in the same way.

Move 'PHONY += prepare0' to the common place. GNU Make is fine with
missing rule for phony targets. I also removed the comment which is
wrong irrespective of this commit.

I minimize the change so it can be easily backported to 4.20.x

To fix v4.20, please backport e07db28eea ("kbuild: fix single target
build for external module"), and then this commit.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=201891
Fixes: e07db28eea ("kbuild: fix single target build for external module")
Fixes: c3ff2a5193 ("powerpc/32: add stack protector support")
Fixes: 189af46571 ("ARM: smp: add support for per-task stack canaries")
Fixes: 0a1213fa74 ("arm64: enable per-task stack canaries")
Cc: linux-stable <stable@vger.kernel.org> # v4.20
Reported-by: Samuel Holland <samuel@sholland.org>
Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
2019-01-17 23:42:59 +09:00
Masahiro Yamada
1b504a7bb1 openrisc: remove unneeded code in arch/openrisc/Makefile
- LDFLAGS_vmlinux is cleared by the top Makefile

 - 'all: vmlinux' is specified by the top Makefile

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-17 23:42:59 +09:00
Masahiro Yamada
558ee616d1 nds32: remove unneeded code in arch/nds32/Makefile
- scripts/Kbuild.include already defined 'comma'

 - The top Makefile has 'PHONY += FORCE'

 - include/asm-*/ was moved to arch/*/include/asm/ a decade ago

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-17 23:42:37 +09:00
Jani Nikula
15c05196ff Merge tag 'gvt-fixes-2018-01-17' of https://github.com/intel/gvt-linux into drm-intel-fixes
gvt-fixes-2018-01-17

- Fix one register cmd parser failure (Colin)
- Fix region cleanup for vGPU destroy (Henry)
- Fix mmap size check (Zhenyu)

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190117074604.GI18272@zhen-hp.sh.intel.com
2019-01-17 11:49:51 +02:00
Linus Torvalds
7fbfee7c80 Merge branch 'fixes-v5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem fixes from James Morris:
 "Fixes for the security subsystem.

  The first (by Casey actually - it's misattributed) fixes a regression
  introduced with the LSM stacking changes"

* 'fixes-v5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  LSM: Check for NULL cred-security on free
  Yama: Check for pid death before checking ancestry
  seccomp: fix UAF in user-trap code
2019-01-17 16:54:58 +12:00
James Morris
a5795fd38e LSM: Check for NULL cred-security on free
From: Casey Schaufler <casey@schaufler-ca.com>

Check that the cred security blob has been set before trying
to clean it up. There is a case during credential initialization
that could result in this.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
Reported-by: syzbot+69ca07954461f189e808@syzkaller.appspotmail.com
2019-01-16 15:41:11 -08:00
David Francis
35dad45d5c drm/amd/display: Detach backlight from stream
[Why]
Backlight is conceptually a property of links, not streams.
All backlight programming is done on links, but there is a
stream property bl_pwm_level that is used to restore backlight
on dpms on and s3 resume.  This is unnecessary, as backlight
is already restored by hardware with no driver intervention.

[How]
Remove bl_pwm_level, and the stream argument to set_backlight

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=109375
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 923fe49512)
2019-01-16 17:11:47 -05:00
Kees Cook
9474f4e7cd Yama: Check for pid death before checking ancestry
It's possible that a pid has died before we take the rcu lock, in which
case we can't walk the ancestry list as it may be detached. Instead, check
for death first before doing the walk.

Reported-by: syzbot+a9ac39bf55329e206219@syzkaller.appspotmail.com
Fixes: 2d514487fa ("security: Yama LSM")
Cc: stable@vger.kernel.org
Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: James Morris <james.morris@microsoft.com>
2019-01-16 12:00:56 -08:00
Jerome Brunet
3705add0b7 dt-bindings: reset: meson-axg: fix SPDX license id
As reported, the SPDX license id is not placed correctly and the variant
of the BSD License used should be specified.

Fixes: c16292578f ("dt-bindings: reset: Add bindings for the Meson-AXG SoC Reset Controller")
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-01-16 12:50:27 -06:00
Krzysztof Kozlowski
9eac0ae168 dt-bindings: soc: qcom: Fix trivial language typos
Fix few trivial language typos in bindings.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-01-16 12:50:27 -06:00
Otto Sabart
889f4ce60e doc: gpio-mvebu: fix broken reference to cp110-system-controller0.txt file
The cp110-system-controller0.txt file was renamed to
cp110-system-controller.txt.

Fixes: 4aa5496980 ("dt-bindings: cp110: rename cp110 syscon file")
Signed-off-by: Otto Sabart <ottosabart@seberm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2019-01-16 12:50:27 -06:00
Julia Lawall
28b170e88b OF: properties: add missing of_node_put
Add an of_node_put when the result of of_graph_get_remote_port_parent is
not available.

The semantic match that finds this problem is as follows
(http://coccinelle.lip6.fr):

// <smpl>
@r exists@
local idexpression e;
expression x;
@@
e = of_graph_get_remote_port_parent(...);
... when != x = e
    when != true e == NULL
    when != of_node_put(e)
    when != of_fwnode_handle(e)
(
return e;
|
*return ...;
)
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: stable@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2019-01-16 12:49:53 -06:00
Peter Rosin
890d14d2d4 fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd line option
A command line option is much more flexible than a config option and
the supporting code is small. Gets rid of #ifdefs in the code too...

Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
2019-01-16 17:42:35 +01:00
Christoph Hellwig
227a76b647 swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit
Otherwise is_swiotlb_buffer will return false positives when
we first initialize a swiotlb buffer, but then free it because
we have an IOMMU available.

Fixes: 55897af630 ("dma-direct: merge swiotlb_dma_ops into the dma_direct code")
Reported-by: Sibren Vasse <sibren@sibrenvasse.nl>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Sibren Vasse <sibren@sibrenvasse.nl>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2019-01-16 09:59:17 -05:00
Masahiro Yamada
be3bb599d8 ia64: remove redundant 'export AWK'
This is exported by the top Makefile.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-16 23:31:18 +09:00
Masahiro Yamada
b421b8a6cb kbuild: remove unused archmrproper
No one uses archmrproper.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-01-16 23:31:17 +09:00
Linus Torvalds
47bfa6d9dc selinux/stable-5.0 PR 20190115
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Merge tag 'selinux-pr-20190115' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

Pull SELinux fix from Paul Moore:
 "One small patch to fix a potential NULL dereference on a failed
  SELinux policy load"

* tag 'selinux-pr-20190115' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
  selinux: fix GPF on invalid policy
2019-01-16 17:06:39 +12:00
Rafael J. Wysocki
b1c0330823 ACPI: EC: Look for ECDT EC after calling acpi_load_tables()
Some systems have had functional issues since commit 5a8361f7ec
(ACPICA: Integrate package handling with module-level code) that,
among other things, changed the initial values of the
acpi_gbl_group_module_level_code and acpi_gbl_parse_table_as_term_list
global flags in ACPICA which implicitly caused acpi_ec_ecdt_probe() to
be called before acpi_load_tables() on the vast majority of platforms.

Namely, before commit 5a8361f7ec, acpi_load_tables() was called from
acpi_early_init() if acpi_gbl_parse_table_as_term_list was FALSE and
acpi_gbl_group_module_level_code was TRUE, which almost always was
the case as FALSE and TRUE were their initial values, respectively.
The acpi_gbl_parse_table_as_term_list value would be changed to TRUE
for a couple of platforms in acpi_quirks_dmi_table[], but it remained
FALSE in the vast majority of cases.

After commit 5a8361f7ec, the initial values of the two flags have
been reversed, so in effect acpi_load_tables() has not been called
from acpi_early_init() any more.  That, in turn, affects
acpi_ec_ecdt_probe() which is invoked before acpi_load_tables() now
and it is not possible to evaluate the _REG method for the EC address
space handler installed by it.  That effectively causes the EC address
space to be inaccessible to AML on platforms with an ECDT matching the
EC device definition in the DSDT and functional problems ensue in
there.

Because the default behavior before commit 5a8361f7ec was to call
acpi_ec_ecdt_probe() after acpi_load_tables(), it should be safe to
do that again.  Moreover, the EC address space handler installed by
acpi_ec_ecdt_probe() is only needed for AML to be able to access the
EC address space and the only AML that can run during acpi_load_tables()
is module-level code which only is allowed to access address spaces
with default handlers (memory, I/O and PCI config space).

For this reason, move the acpi_ec_ecdt_probe() invocation back to
acpi_bus_init(), from where it was taken away by commit d737f333b2
(ACPI: probe ECDT before loading AML tables regardless of module-level
code flag), and put it after the invocation of acpi_load_tables() to
restore the original code ordering from before commit 5a8361f7ec.

Fixes: 5a8361f7ec ("ACPICA: Integrate package handling with module-level code")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=199981
Reported-by: step-ali <sunmooon15@gmail.com>
Reported-by: Charles Stanhope <charles.stanhope@gmail.com>
Tested-by: Charles Stanhope <charles.stanhope@gmail.com>
Reported-by: Paulo Nascimento <paulo.ulusu@googlemail.com>
Reported-by: David Purton <dcpurton@marshwiggle.net>
Reported-by: Adam Harvey <adam@adamharvey.name>
Reported-by: Zhang Rui <rui.zhang@intel.com>
Tested-by: Zhang Rui <rui.zhang@intel.com>
Tested-by: Jean-Marc Lenoir <archlinux@jihemel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-15 23:18:23 +01:00
Sinan Kaya
6f9b5e70df drivers: thermal: int340x_thermal: Make PCI dependency explicit
After commit 5d32a66541 (PCI/ACPI: Allow ACPI to be built without
CONFIG_PCI set) dependencies on CONFIG_PCI that previously were
satisfied implicitly through dependencies on CONFIG_ACPI have to be
specified directly.

IOSF_CORE depends on PCI. For this reason, add a direct dependency on
CONFIG_PCI.

Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-15 23:17:40 +01:00
Sinan Kaya
e9820d6b0a x86/intel/lpss: Make PCI dependency explicit
After commit 5d32a66541 (PCI/ACPI: Allow ACPI to be built without
CONFIG_PCI set) dependencies on CONFIG_PCI that previously were
satisfied implicitly through dependencies on CONFIG_ACPI have to be
specified directly.

LPSS code relies on PCI infrastructure but this dependency has not
been called out explicitly yet.

Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-15 23:17:28 +01:00
Sinan Kaya
7934d76c88 platform/x86: apple-gmux: Make PCI dependency explicit
After commit 5d32a66541 (PCI/ACPI: Allow ACPI to be built without
CONFIG_PCI set) dependencies on CONFIG_PCI that previously were
satisfied implicitly through dependencies on CONFIG_ACPI have to be
specified directly.

This driver depends on the PCI infrastructure but the dependency has
not been called out explicitly yet.

Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-15 23:17:16 +01:00
Sinan Kaya
737ee5824d platform/x86: intel_pmc: Make PCI dependency explicit
After commit 5d32a66541 (PCI/ACPI: Allow ACPI to be built without
CONFIG_PCI set) dependencies on CONFIG_PCI that previously were
satisfied implicitly through dependencies on CONFIG_ACPI have to be
specified directly.

Some code in intel_pmc relies on PCI for execution. Specify this
in the Kconfig.

[ Andy S: For sake of a quick fix this introduces a new mandatory
  dependency to the driver which may survive without it. Otherwise
  we need to revisit the driver architecture to address this
  properly. ]

Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-15 23:17:05 +01:00
Sinan Kaya
63680e0d62 platform/x86: intel_ips: make PCI dependency explicit
After commit 5d32a66541 (PCI/ACPI: Allow ACPI to be built without
CONFIG_PCI set) dependencies on CONFIG_PCI that previously were
satisfied implicitly through dependencies on CONFIG_ACPI have to be
specified directly.

intel_ips is a PCI device driver but this has not been mentioned
anywhere in Kconfig.

Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-15 23:16:57 +01:00
Sinan Kaya
94e8e8e976 vga-switcheroo: make PCI dependency explicit
This driver depends on the PCI infrastructure, but the dependency has
not been explicitly called out.

Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-15 23:16:47 +01:00
Sinan Kaya
995592bc53 ata: pata_acpi: Make PCI dependency explicit
After commit 5d32a66541 (PCI/ACPI: Allow ACPI to be built without
CONFIG_PCI set) dependencies on CONFIG_PCI that previously were
satisfied implicitly through dependencies on CONFIG_ACPI have to be
specified directly. PATA_ACPI is a PCI device driver but the PCI
dependency has not been explicitly called out.

Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-15 23:16:34 +01:00
Sinan Kaya
1622745551 ACPI / LPSS: Make PCI dependency explicit
After commit 5d32a66541 (PCI/ACPI: Allow ACPI to be built without
CONFIG_PCI set), it is possible to build ACPI without any PCI support.

This code depends on PCI. Compile only when PCI is present.

Fixes: 5d32a66541 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2019-01-15 23:16:18 +01:00
Julia Lawall
4bb0e6d725
drm/sun4i: backend: add missing of_node_puts
The device node iterators perform an of_node_get on each
iteration, so a jump out of the loop requires an of_node_put.

Remote and port also have augmented reference counts, so drop them
on each iteration and at the end of the function, respectively.
Remote is only used for the address it contains, not for the
contents of that address, so the reference count can be dropped
immediately.

The semantic patch that fixes the first part of this problem is
as follows (http://coccinelle.lip6.fr):

// <smpl>
@@
expression root,e;
local idexpression child;
iterator name for_each_child_of_node;
@@

 for_each_available_child_of_node(root, child) {
   ... when != of_node_put(child)
       when != e = child
+  of_node_put(child);
?  break;
   ...
}
... when != child
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1547369264-24831-5-git-send-email-Julia.Lawall@lip6.fr
2019-01-15 21:46:10 +01:00