Since wait_event() uses TASK_UNINTERRUPTIBLE by default, waiting for an
allocation counts towards load.  However, for KFENCE, this does not make
any sense, since there is no busy work we're awaiting.

Instead, use TASK_IDLE via wait_event_idle() to not count towards load.

BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1185565
Link: https://lkml.kernel.org/r/20210521083209.3740269-1-elver@google.com
Fixes: 407f1d8c

 ("kfence: await for allocation using wait_event")
Signed-off-by: Marco Elver <elver@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: Hillf Danton <hdanton@sina.com>
Cc: <stable@vger.kernel.org>	[5.12+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

This reverts commit f685a533.

The MIPS cache flush logic needs to know whether the mapping was already
established to decide how to flush caches.  This is done by checking the
valid bit in the PTE.  The commit above breaks this logic by setting the
valid in the PTE in new mappings, which causes kernel crashes.

Link: https://lkml.kernel.org/r/20210526094335.92948-1-tsbogend@alpha.franken.de
Fixes: f685a533

 ("MIPS: make userspace mapping young by default")
Reported-by: Zhou Yanjie <zhouyanjie@wanyeetech.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Huang Pei <huangpei@loongson.cn>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Pull sound fixes from Takashi Iwai:
 "A couple of small fixes are found in the ALSA core side at this time;
  a fix in the new LED handling code and a long-standing (and likely no
  one would notice) ioctl bug.

  The rest are usual HD-audio fixes, mostly device-specific quirks but
  also one major regression fix that was introduced in 5.13"

* tag 'sound-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda: update the power_state during the direct-complete
  ALSA: timer: Fix master timer notification
  ALSA: control led: fix memory leak in snd_ctl_led_register
  ALSA: hda: Fix for mute key LED for HP Pavilion 15-CK0xx
  ALSA: hda/cirrus: Set Initial DMIC volume to -26 dB
  ALSA: hda: Fix a regression in Capture Switch mixer read
  ALSA: hda: Add AlderLake-M PCI ID

Pull drm fixes from Dave Airlie:
 "Two big regression reverts in here, one for fbdev and one i915.
  Otherwise it's mostly amdgpu display fixes, and tegra fixes.

  fb:
   - revert broken fb_defio patch

  amdgpu:
   - Display fixes
   - FRU EEPROM error handling fix
   - RAS fix
   - PSP fix
   - Releasing pinned BO fix

  i915:
   - Revert conversion to io_mapping_map_user() which lead to BUG_ON()
   - Fix check for error valued returns in a selftest

  tegra:
   - SOR power domain race condition fix
   - build warning fix
   - runtime pm ref leak fix
   - modifier fix"

* tag 'drm-fixes-2021-06-04-1' of git://anongit.freedesktop.org/drm/drm:
  amd/display: convert DRM_DEBUG_ATOMIC to drm_dbg_atomic
  drm/amdgpu: make sure we unpin the UVD BO
  drm/amd/amdgpu:save psp ring wptr to avoid attack
  drm/amd/display: Fix potential memory leak in DMUB hw_init
  drm/amdgpu: Don't query CE and UE errors
  drm/amd/display: Fix overlay validation by considering cursors
  drm/amdgpu: refine amdgpu_fru_get_product_info
  drm/amdgpu: add judgement for dc support
  drm/amd/display: Fix GPU scaling regression by FS video support
  drm/amd/display: Allow bandwidth validation for 0 streams.
  Revert "i915: use io_mapping_map_user"
  drm/i915/selftests: Fix return value check in live_breadcrumbs_smoketest()
  Revert "fb_defio: Remove custom address_space_operations"
  drm/tegra: Correct DRM_FORMAT_MOD_NVIDIA_SECTOR_LAYOUT
  drm/tegra: sor: Fix AUX device reference leak
  drm/tegra: Get ref for DP AUX channel, not its ddc adapter
  drm/tegra: Fix shift overflow in tegra_shared_plane_atomic_update
  drm/tegra: sor: Fully initialize SOR before registration
  gpu: host1x: Split up client initalization and registration
  drm/tegra: sor: Do not leak runtime PM reference

drm/tegra: Fixes for v5.13-rc5

The most important change here fixes a race condition that causes either
HDA or (more frequently) display to malfunction because they race for
enabling the SOR power domain at probe time.

Other than that, there's a couple of build warnings for issues
introduced in v5.13 as well as some minor fixes, such as reference leak
plugs.

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

From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603144624.788861-1-thierry.reding@gmail.com

Merge tag 'amd-drm-fixes-5.13-2021-06-02' of https://gitlab.freedesktop.org/agd5f/linux

 into drm-fixes

amd-drm-fixes-5.13-2021-06-02:

amdgpu:
- Display fixes
- FRU EEPROM error handling fix
- RAS fix
- PSP fix
- Releasing pinned BO fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603040410.4080-1-alexander.deucher@amd.com

Merge tag 'drm-intel-fixes-2021-06-03' of git://anongit.freedesktop.org/drm/drm-intel

 into drm-fixes

drm/i915 fixes for v5.13-rc5:
- Revert conversion to io_mapping_map_user() which lead to BUG_ON()
- Fix check for error valued returns in a selftest

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87lf7rpcmp.fsf@intel.com

One fix for a fb_defio breakage

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

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603085321.l5l6flslj632yqse@gilmour

Pull VFIO fixes from Alex Williamson:

 - Fix error path return value (Zhen Lei)

 - Add vfio-pci CONFIG_MMU dependency (Randy Dunlap)

 - Replace open coding with struct_size() (Gustavo A. R. Silva)

 - Fix sample driver error path (Wei Yongjun)

 - Fix vfio-platform error path module_put() (Max Gurtovoy)

* tag 'vfio-v5.13-rc5' of git://github.com/awilliam/linux-vfio:
  vfio/platform: fix module_put call in error flow
  samples: vfio-mdev: fix error handing in mdpy_fb_probe()
  vfio/iommu_type1: Use struct_size() for kzalloc()
  vfio/pci: zap_vma_ptes() needs MMU
  vfio/pci: Fix error return code in vfio_ecap_init()

Pull block fixes from Jens Axboe:
 "NVMe fixes from Christoph:

   - Fix corruption in RDMA in-capsule SGLs (Sagi Grimberg)

   - nvme-loop reset fixes (Hannes Reinecke)

   - nvmet fix for freeing unallocated p2pmem (Max Gurtovoy)"

* tag 'block-5.13-2021-06-03' of git://git.kernel.dk/linux-block:
  nvmet: fix freeing unallocated p2pmem
  nvme-loop: do not warn for deleted controllers during reset
  nvme-loop: check for NVME_LOOP_Q_LIVE in nvme_loop_destroy_admin_queue()
  nvme-loop: clear NVME_LOOP_Q_LIVE when nvme_loop_configure_admin_queue() fails
  nvme-loop: reset queue count to 1 in nvme_loop_destroy_io_queues()
  nvme-rdma: fix in-casule data send for chained sgls

Pull io_uring fix from Jens Axboe:
 "Just a single one-liner fix for an accounting regression in this
  release"

* tag 'io_uring-5.13-2021-06-03' of git://git.kernel.dk/linux-block:
  io_uring: fix misaccounting fix buf pinned pages

Pull btrfs fixes from David Sterba:
 "Error handling improvements, caught by error injection:

   - handle errors during checksum deletion

   - set error on mapping when ordered extent io cannot be finished

   - inode link count fixup in tree-log

   - missing return value checks for inode updates in tree-log

   - abort transaction in rename exchange if adding second reference
     fails

  Fixes:

   - fix fsync failure after writes to prealloc extents

   - fix deadlock when cloning inline extents and low on available space

   - fix compressed writes that cross stripe boundary"

* tag 'for-5.13-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  MAINTAINERS: add btrfs IRC link
  btrfs: fix deadlock when cloning inline extents and low on available space
  btrfs: fix fsync failure and transaction abort after writes to prealloc extents
  btrfs: abort in rename_exchange if we fail to insert the second ref
  btrfs: check error value from btrfs_update_inode in tree log
  btrfs: fixup error handling in fixup_inode_link_counts
  btrfs: mark ordered extent and inode with error if we fail to finish
  btrfs: return errors from btrfs_del_csums in cleanup_ref_head
  btrfs: fix error handling in btrfs_del_csums
  btrfs: fix compressed writes that cross stripe boundary

Pull NVMe fixes from Christoph:

"nvme fixes for Linux 5.13:

 - fix corruption in RDMA in-capsule SGLs (Sagi Grimberg)
 - nvme-loop reset fixes (Hannes Reinecke)
 - nvmet fix for freeing unallocated p2pmem (Max Gurtovoy)"

* tag 'nvme-5.13-2021-06-03' of git://git.infradead.org/nvme:
  nvmet: fix freeing unallocated p2pmem
  nvme-loop: do not warn for deleted controllers during reset
  nvme-loop: check for NVME_LOOP_Q_LIVE in nvme_loop_destroy_admin_queue()
  nvme-loop: clear NVME_LOOP_Q_LIVE when nvme_loop_configure_admin_queue() fails
  nvme-loop: reset queue count to 1 in nvme_loop_destroy_io_queues()
  nvme-rdma: fix in-casule data send for chained sgls

We haven't had an IRC link before but now it's a good time to announce
where to reach the community.

Signed-off-by: David Sterba <dsterba@suse.com>

The patch_realtek.c needs to check if the power_state.event equals
PM_EVENT_SUSPEND, after using the direct-complete, the suspend() and
resume() will be skipped if the codec is already rt_suspended, in this
case, the patch_realtek.c will always get PM_EVENT_ON even the system
is really resumed from S3.

We could set power_state to PMSG_SUSPEND in the prepare(), if other
PM functions are called before complete(), those functions will
override power_state; if no other PM functions are called before
complete(), we could know the suspend() and resume() are skipped since
only S3 pm functions could be skipped by direct-complete, in this case
set power_state to PMSG_RESUME in the complete(). This could guarantee
the first time of calling hda_codec_runtime_resume() after complete()
has the correct power_state.

Fixes: 215a22ed

 ("ALSA: hda: Refactor codec PM to use direct-complete optimization")
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Link: https://lore.kernel.org/r/20210602145424.3132-1-hui.wang@canonical.com


Signed-off-by: Takashi Iwai <tiwai@suse.de>

snd_timer_notify1() calls the notification to each slave for a master
event, but it passes a wrong event number.  It should be +10 offset,
corresponding to SNDRV_TIMER_EVENT_MXXX, but it's incorrectly with
+100 offset.  Casually this was spotted by UBSAN check via syzkaller.

Reported-by:  <syzbot+d102fa5b35335a7e544e@syzkaller.appspotmail.com>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/000000000000e5560e05c3bd1d63@google.com
Link: https://lore.kernel.org/r/20210602113823.23777-1-tiwai@suse.de


Signed-off-by: Takashi Iwai <tiwai@suse.de>

This allows to tie the log message to a specific DRM device.

Signed-off-by: Simon Ser <contact@emersion.fr>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Releasing pinned BOs is illegal now. UVD 6 was missing from:
commit 2f40801d ("drm/amdgpu: make sure we unpin the UVD BO")

Fixes: 2f40801d

 ("drm/amdgpu: make sure we unpin the UVD BO")
Cc: stable@vger.kernel.org
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

[Why]
When some tools performing psp mailbox attack, the readback value
of register can be a random value which may break psp.

[How]
Use a psp wptr cache machanism to aovid the change made by attack.

v2: unify change and add detailed reason

Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Signed-off-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

[Why]
On resume we perform DMUB hw_init which allocates memory:
dm_resume->dm_dmub_hw_init->dc_dmub_srv_create->kzalloc
That results in memory leak in suspend/resume scenarios.

[How]
Allocate memory for the DC wrapper to DMUB only if it was not
allocated before.
No need to reallocate it on suspend/resume.

Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

On QUERY2 IOCTL don't query counts of correctable
and uncorrectable errors, since when RAS is
enabled and supported on Vega20 server boards,
this takes insurmountably long time, in O(n^3),
which slows the system down to the point of it
being unusable when we have GUI up.

Fixes: ae363a21

 ("drm/amdgpu: Add a new flag to AMDGPU_CTX_OP_QUERY_STATE2")
Cc: Alexander Deucher <Alexander.Deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Alexander Deucher <Alexander.Deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

A few weeks ago, we saw a two cursor issue in a ChromeOS system. We
fixed it in the commit:

 drm/amd/display: Fix two cursor duplication when using overlay
 (read the commit message for more details)

After this change, we noticed that some IGT subtests related to
kms_plane and kms_plane_scaling started to fail. After investigating
this issue, we noticed that all subtests that fail have a primary plane
covering the overlay plane, which is currently rejected by amdgpu dm.
Fail those IGT tests highlight that our verification was too broad and
compromises the overlay usage in our drive. This patch fixes this issue
by ensuring that we only reject commits where the primary plane is not
fully covered by the overlay when the cursor hardware is enabled. With
this fix, all IGT tests start to pass again, which means our overlay
support works as expected.

Cc: Tianci.Yin <tianci.yin@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Nicholas Choi <nicholas.choi@amd.com>
Cc: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Cc: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Cc: Mark Yacoub <markyacoub@google.com>
Cc: Daniel Wheeler <daniel.wheeler@amd.com>

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1. eliminate potential array index out of bounds.
2. return meaningful value for failure.

Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Jack Gui <Jack.Gui@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Drop DC initialization when DCN is harvested in VBIOS. The way
doesn't affect virtual display ip initialization.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Asher Song <Asher.Song@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

[Why]
FS video support regressed GPU scaling and the scaled buffer ends up
stuck in the top left of the screen at native size - full, aspect,
center scaling modes do not function.

This is because decide_crtc_timing_for_drm_display_mode() does not
get called when scaling is enabled.

[How]
Split recalculate timing and scaling into two different flags.

We don't want to call drm_mode_set_crtcinfo() for scaling, but we
do want to call it for FS video.

Optimize and move preferred_refresh calculation next to
decide_crtc_timing_for_drm_display_mode() like it used to be since
that's not used for FS video.

We don't need to copy over the VIC or polarity in the case of FS video
modes because those don't change.

Fixes: 6f59f229

 ("drm/amd/display: Skip modeset for front porch change")

Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

[Why]
Bandwidth calculations are triggered for non zero streams, and
in case of 0 streams, these calculations were skipped with
pstate status not being updated.

[How]
As the pstate status is applicable for non zero streams, check
added for allowing 0 streams inline with dcn internal bandwidth
validations.

Signed-off-by: Bindu Ramamurthy <bindu.r@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Pull EFI fixes from Ingo Molnar:
 "A handful of EFI fixes:

   - Fix/robustify a diagnostic printk

   - Fix a (normally not triggered) parser bug in the libstub code

   - Allow !EFI_MEMORY_XP && !EFI_MEMORY_RO entries in the memory map

   - Stop RISC-V from crashing on boot if there's no FDT table"

* tag 'efi-urgent-2021-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi: cper: fix snprintf() use in cper_dimm_err_location()
  efi/libstub: prevent read overflow in find_file_option()
  efi: Allow EFI_MEMORY_XP and EFI_MEMORY_RO both to be cleared
  efi/fdt: fix panic when no valid fdt found

Pull ACPI fix from Rafael Wysocki:
 "Fix a mutex object memory leak in ACPICA occurring during object
  deletion that was introduced in 5.12-rc1 (Erik Kaneda)"

* tag 'acpi-5.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPICA: Clean up context mutex during object deletion

Merge tag 'hwmon-for-v5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "The most notable fix is for the q54sj108a2 driver to let it actually
  instantiate.

  Also attribute fixes for pmbus/isl68137, pmbus/fsp-3y, and
  dell-smm-hwmon drivers"

* tag 'hwmon-for-v5.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon/pmbus: (q54sj108a2) The PMBUS_MFR_ID is actually 6 chars instead of 5
  hwmon: (pmbus/isl68137) remove READ_TEMPERATURE_3 for RAA228228
  hwmon: (pmbus/fsp-3y) Fix FSP-3Y YH-5151E VOUT
  hwmon: (dell-smm-hwmon) Fix index values

This reverts commit b739f125.

We are unfortunately seeing more issues like we did in 293837b9


("Revert "i915: fix remap_io_sg to verify the pgprot""), except this is
now for the vm_fault_gtt path, where we are now hitting the same
BUG_ON(!pte_none(*pte)):

[10887.466150] kernel BUG at mm/memory.c:2183!
[10887.466162] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[10887.466168] CPU: 0 PID: 7775 Comm: ffmpeg Tainted: G     U            5.13.0-rc3-CI-Nightly #1
[10887.466174] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./J4205-ITX, BIOS P1.40 07/14/2017
[10887.466177] RIP: 0010:remap_pfn_range_notrack+0x30f/0x440
[10887.466188] Code: e8 96 d7 e0 ff 84 c0 0f 84 27 01 00 00 48 ba 00 f0 ff ff ff ff 0f 00 4c 89 e0 48 c1 e0 0c 4d 85 ed 75 96 48 21 d0 31 f6 eb a9 <0f> 0b 48 39 37 0f 85 0e 01 00 00 48 8b 0c 24 48 39 4f 08 0f 85 00
[10887.466193] RSP: 0018:ffffc90006e33c50 EFLAGS: 00010286
[10887.466198] RAX: 800000000000002f RBX: 00007f5e01800000 RCX: 0000000000000028
[10887.466201] RDX: 0000000000000001 RSI: ffffea0000000000 RDI: 0000000000000000
[10887.466204] RBP: ffffea000033fea8 R08: 800000000000002f R09: ffff8881072256e0
[10887.466207] R10: ffffc9000b84fff8 R11: 0000000017dab000 R12: 0000000000089f9f
[10887.466210] R13: 800000000000002f R14: 00007f5e017e4000 R15: ffff88800cffaf20
[10887.466213] FS:  00007f5e04849640(0000) GS:ffff888278000000(0000) knlGS:0000000000000000
[10887.466216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[10887.466220] CR2: 00007fd9b191a2ac CR3: 00000001829ac000 CR4: 00000000003506f0
[10887.466223] Call Trace:
[10887.466233]  vm_fault_gtt+0x1ca/0x5d0 [i915]
[10887.466381]  ? ktime_get+0x38/0x90
[10887.466389]  __do_fault+0x37/0x90
[10887.466395]  __handle_mm_fault+0xc46/0x1200
[10887.466402]  handle_mm_fault+0xce/0x2a0
[10887.466407]  do_user_addr_fault+0x1c5/0x660

Reverting this commit is reported to fix the issue.

Reported-by: Eero Tamminen <eero.t.tamminen@intel.com>
References: https://gitlab.freedesktop.org/drm/intel/-/issues/3519
Fixes: b739f125

 ("i915: use io_mapping_map_user")
Cc: Christoph Hellwig <hch@lst.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210527185145.458021-1-matthew.auld@intel.com
(cherry picked from commit 0e4fe0c9

)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

In case of error, the function live_context() returns ERR_PTR() and never
returns NULL. The NULL test in the return value check should be replaced
with IS_ERR().

Fixes: 52c0fdb2

 ("drm/i915: Replace global breadcrumbs with per-context interrupt tracking")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/33c46ef24cd547d0ad21dc106441491a@intel.com


[tursulin: Wrap commit text, fix Fixes: tag.]
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
(cherry picked from commit 8f4caef8

)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

The snd_ctl_led_sysfs_add and snd_ctl_led_sysfs_remove should contain
the refcount operations in pair. However, snd_ctl_led_sysfs_remove fails
to decrease the refcount to zero, which causes device_release never to
be invoked. This leads to memory leak to some resources, like struct
device_private. In addition, we also free some other similar memory
leaks in snd_ctl_led_init/snd_ctl_led_exit.

Fix this by replacing device_del to device_unregister
in snd_ctl_led_sysfs_remove/snd_ctl_led_init/snd_ctl_led_exit.

Note that, when CONFIG_DEBUG_KOBJECT_RELEASE is enabled, put_device will
call kobject_release and delay the release of kobject, which will cause
use-after-free when the memory backing the kobject is freed at once.

Reported-by:  <syzbot+08a7d8b51ea048a74ffb@syzkaller.appspotmail.com>
Fixes: a135dfb5

 ("ALSA: led control - add sysfs kcontrol LED marking layer")
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20210602034136.2762497-1-mudongliangabcd@gmail.com


Signed-off-by: Takashi Iwai <tiwai@suse.de>

In case p2p device was found but the p2p pool is empty, the nvme target
is still trying to free the sgl from the p2p pool instead of the
regular sgl pool and causing a crash (BUG() is called). Instead, assign
the p2p_dev for the request only if it was allocated from p2p pool.

This is the crash that was caused:

[Sun May 30 19:13:53 2021] ------------[ cut here ]------------
[Sun May 30 19:13:53 2021] kernel BUG at lib/genalloc.c:518!
[Sun May 30 19:13:53 2021] invalid opcode: 0000 [#1] SMP PTI
...
[Sun May 30 19:13:53 2021] kernel BUG at lib/genalloc.c:518!
...
[Sun May 30 19:13:53 2021] RIP: 0010:gen_pool_free_owner+0xa8/0xb0
...
[Sun May 30 19:13:53 2021] Call Trace:
[Sun May 30 19:13:53 2021] ------------[ cut here ]------------
[Sun May 30 19:13:53 2021]  pci_free_p2pmem+0x2b/0x70
[Sun May 30 19:13:53 2021]  pci_p2pmem_free_sgl+0x4f/0x80
[Sun May 30 19:13:53 2021]  nvmet_req_free_sgls+0x1e/0x80 [nvmet]
[Sun May 30 19:13:53 2021] kernel BUG at lib/genalloc.c:518!
[Sun May 30 19:13:53 2021]  nvmet_rdma_release_rsp+0x4e/0x1f0 [nvmet_rdma]
[Sun May 30 19:13:53 2021]  nvmet_rdma_send_done+0x1c/0x60 [nvmet_rdma]

Fixes: c6e3f133

 ("nvmet: add metadata support for block devices")
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

During concurrent reset and delete calls the reset workqueue is
flushed, causing nvme_loop_reset_ctrl_work() to be executed when
the controller is in state DELETING or DELETING_NOIO.
But this is expected, so we shouldn't issue a WARN_ON here.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>

We need to check the NVME_LOOP_Q_LIVE flag in
nvme_loop_destroy_admin_queue() to protect against duplicate
invocations eg during concurrent reset and remove calls.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

When the call to nvme_enable_ctrl() in nvme_loop_configure_admin_queue()
fails the NVME_LOOP_Q_LIVE flag is not cleared.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

The queue count is increased in nvme_loop_init_io_queues(), so we
need to reset it to 1 at the end of nvme_loop_destroy_io_queues().
Otherwise the function is not re-entrant safe, and crash will happen
during concurrent reset and remove calls.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

Pull HID fixes from Jiri Kosina:

 - memory leak fix in usbhid from Anirudh Rayabharam

 - additions for a few new recognized generic key IDs from Dmitry
   Torokhov

 - Asus T101HA and Dell K15A quirks from Hans de Goede

 - memory leak fix in amd_sfh from Basavaraj Natikar

 - Win8 compatibility and Stylus fixes in multitouch driver from
   Ahelenia Ziemiańska

 - NULL pointer dereference fix in hid-magicmouse from Johan Hovold

 - assorted other small fixes and device ID additions

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (33 commits)
  HID: asus: Cleanup Asus T101HA keyboard-dock handling
  HID: magicmouse: fix NULL-deref on disconnect
  HID: intel-ish-hid: ipc: Add Alder Lake device IDs
  HID: i2c-hid: fix format string mismatch
  HID: amd_sfh: Fix memory leak in amd_sfh_work
  HID: amd_sfh: Use devm_kzalloc() instead of kzalloc()
  HID: ft260: improve error handling of ft260_hid_feature_report_get()
  HID: magicmouse: fix crash when disconnecting Magic Trackpad 2
  HID: gt683r: add missing MODULE_DEVICE_TABLE
  HID: pidff: fix error return code in hid_pidff_init()
  HID: logitech-hidpp: initialize level variable
  HID: multitouch: Disable event reporting on suspend on the Asus T101HA touchpad
  HID: core: Remove extraneous empty line before EXPORT_SYMBOL_GPL(hid_check_keys_pressed)
  HID: hid-sensor-custom: Process failure of sensor_hub_set_feature()
  HID: i2c-hid: Skip ELAN power-on command after reset
  HID: usbhid: fix info leak in hid_submit_ctrl
  HID: Add BUS_VIRTUAL to hid_connect logging
  HID: multitouch: set Stylus suffix for Stylus-application devices, too
  HID: multitouch: require Finger field to mark Win8 reports as MT
  HID: remove the unnecessary redefinition of a macro
  ...

Pull gfs2 fix from Andreas Gruenbacher:
 "Revert broken commit"

* tag 'gfs2-v5.13-rc2-fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  Revert "gfs2: Fix mmap locking for write faults"

Some models of the RTL8822ce utilize a different USB ID. Add this
new one to the Bluetooth driver.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>