Pull input updates from Dmitry Torokhov:
- newer systems with Elan touchpads will be switched over to SMBus
- HP Spectre X360 will be using SMbus/RMI4
- checks for invalid USB descriptors in kbtab and iforce
- build fixes for applespi driver (misconfigs)
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: iforce - add sanity checks
Input: applespi - use struct_size() helper
Input: kbtab - sanity check for endpoint type
Input: usbtouchscreen - initialize PM mutex before using it
Input: applespi - add dependency on LEDS_CLASS
Input: synaptics - enable RMI mode for HP Spectre X360
Input: elantech - annotate fall-through case in elantech_use_host_notify()
Input: elantech - enable SMBus on new (2018+) systems
Input: applespi - fix trivial typo in struct description
Input: applespi - select CRC16 module
Input: applespi - fix warnings detected by sparse
core:
- mode parser strncpy fix
i915:
- GLK DSI escape clock setting
- HDCP memleak fix
tegra:
- one gpiod/of regression fix
amdgpu:
- Fixes VCN to handle the latest navi10 firmware
- Fixes for fan control on navi10
- Properly handle SMU metrics table on navi10
- Fix a resume regression on Stoney
- kfd revert a GWS ioctl
vmwgfx:
- memory leak fix
rockchip:
- suspend fix
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Merge tag 'drm-fixes-2019-08-09' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Usual fixes roundup. Nothing too crazy or serious, one non-released
ioctl is removed in the amdkfd driver.
core:
- mode parser strncpy fix
i915:
- GLK DSI escape clock setting
- HDCP memleak fix
tegra:
- one gpiod/of regression fix
amdgpu:
- fix VCN to handle the latest navi10 firmware
- fix for fan control on navi10
- properly handle SMU metrics table on navi10
- fix a resume regression on Stoney
- kfd revert a GWS ioctl
vmwgfx:
- memory leak fix
rockchip:
- suspend fix"
* tag 'drm-fixes-2019-08-09' of git://anongit.freedesktop.org/drm/drm:
drm/vmwgfx: fix memory leak when too many retries have occurred
Revert "drm/amdkfd: New IOCTL to allocate queue GWS"
Revert "drm/amdgpu: fix transform feedback GDS hang on gfx10 (v2)"
drm/amdgpu: pin the csb buffer on hw init for gfx v8
drm/rockchip: Suspend DP late
drm/i915: Fix wrong escape clock divisor init for GLK
drm/i915: fix possible memory leak in intel_hdcp_auth_downstream()
drm/modes: Fix unterminated strncpy
drm/amd/powerplay: correct navi10 vcn powergate
drm/amd/powerplay: honor hw limit on fetching metrics data for navi10
drm/amd/powerplay: Allow changing of fan_control in smu_v11_0
drm/amd/amdgpu/vcn_v2_0: Move VCN 2.0 specific dec ring test to vcn_v2_0
drm/amd/amdgpu/vcn_v2_0: Mark RB commands as KMD commands
drm/tegra: Fix gpiod_get_from_of_node() regression
- Map vdso also for statically linked binaries like all other
architectures.
- Fix no .bss usage compile-time check to account common objects with the
help of binutils size tool. Top level Makefile change acked-by
Masahiro.
- A fix to make perf happy with _etext symbol type.
- Fix dump_pagetables which is broken since p*d_offset implementation
change to comply with mm/gup.c expectations.
- Revert memory sharing for diag calls in protected virtualization, since
this is not required after all.
- Couple of other minor code cleanups.
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Merge tag 's390-5.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Map vdso also for statically linked binaries like all other
architectures.
- Fix no .bss usage compile-time check to account common objects with
the help of binutils size tool. Top level Makefile change acked-by
Masahiro.
- A fix to make perf happy with _etext symbol type.
- Fix dump_pagetables which is broken since p*d_offset implementation
change to comply with mm/gup.c expectations.
- Revert memory sharing for diag calls in protected virtualization,
since this is not required after all.
- Couple of other minor code cleanups.
* tag 's390-5.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vdso: map vdso also for statically linked binaries
s390/build: use size command to perform empty .bss check
kbuild: add OBJSIZE variable for the size tool
s390: put _stext and _etext into .text section
s390/head64: cleanup unused labels
s390/unwind: remove stack recursion warning
s390/setup: adjust start_code of init_mm to _text
s390/mm: fix dump_pagetables top level page table walking
s390/protvirt: avoid memory sharing for diag 308 set/store
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Merge tag 'for-linus-20190809' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Revert of a bcache patch that caused an oops for some (Coly)
- ata rb532 unused warning fix (Gustavo)
- AoE kernel crash fix (He)
- Error handling fixup for blkdev_get() (Jan)
- libata read/write translation and SFF PIO fix (me)
- Use after free and error handling fix for O_DIRECT fragments. There's
still a nowait + sync oddity in there, we'll nail that start next
week. If all else fails, I'll queue a revert of the NOWAIT change.
(me)
- Loop GFP_KERNEL -> GFP_NOIO deadlock fix (Mikulas)
- Two BFQ regression fixes that caused crashes (Paolo)
* tag 'for-linus-20190809' of git://git.kernel.dk/linux-block:
bcache: Revert "bcache: use sysfs_match_string() instead of __sysfs_match_string()"
loop: set PF_MEMALLOC_NOIO for the worker thread
bdev: Fixup error handling in blkdev_get()
block, bfq: handle NULL return value by bfq_init_rq()
block, bfq: move update of waker and woken list to queue freeing
block, bfq: reset last_completed_rq_bfqq if the pointed queue is freed
block: aoe: Fix kernel crash due to atomic sleep when exiting
libata: add SG safety checks in SFF pio transfers
libata: have ata_scsi_rw_xlat() fail invalid passthrough requests
block: fix O_DIRECT error handling for bio fragments
ata: rb532_cf: Fix unused variable warning in rb532_pata_driver_probe
- update fbdev git tree in MAINTAINERS file
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Merge tag 'fbdev-v5.3-rc4' of git://github.com/bzolnier/linux
Pull fbdev fix from Bartlomiej Zolnierkiewicz:
"fbdev patches will now go to upstream through drm-misc tree for
improved maintainership and better integration testing so update
MAINTAINERS file accordingly"
* tag 'fbdev-v5.3-rc4' of git://github.com/bzolnier/linux:
MAINTAINERS: handle fbdev changes through drm-misc tree
This contains a single fix for a backlight brightness regression
introduced in v5.3-rc1.
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Merge tag 'pwm/for-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm fix from Thierry Reding:
"A single fix for a backlight brightness regression introduced in
this merge window"
* tag 'pwm/for-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: Fallback to the static lookup-list when acpi_pwm_get fails
Lots of small fixes at this time since we've received the ASoC
fix batch now.
- Some coverage in ASoC core mostly for minor issues like NULL
checks for DPCM and proper error handling in DAI instantiation
- A collection of small device-specific changes in various ASoC
codec and platform drivers
- OF-tree refcount fixes in a few ASoC drivers
- Fixes of memory leaks in the error paths of various ASoC / ALSA
drivers
- A workaround for a long-standing issue on AMD HD-audio device
- Updates of MAINTAINERS, mail addresses, file permission fixups
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Merge tag 'sound-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Lots of small fixes at this time since we've received the ASoC fix
batch now.
- Some coverage in ASoC core mostly for minor issues like NULL checks
for DPCM and proper error handling in DAI instantiation
- A collection of small device-specific changes in various ASoC codec
and platform drivers
- OF-tree refcount fixes in a few ASoC drivers
- Fixes of memory leaks in the error paths of various ASoC / ALSA
drivers
- A workaround for a long-standing issue on AMD HD-audio device
- Updates of MAINTAINERS, mail addresses, file permission fixups"
* tag 'sound-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (38 commits)
ALSA: firewire: fix a memory leak bug
sound: fix a memory leak bug
ALSA: hda - Workaround for crackled sound on AMD controller (1022:1457)
ALSA: hiface: fix multiple memory leak bugs
ALSA: hda - Don't override global PCM hw info flag
ALSA: usb-audio: fix a memory leak bug
ASoC: max98373: Remove executable bits
ASoC: amd: acp3x: use dma address for acp3x dma driver
ASoC: amd: acp3x: use dma_ops of parent device for acp3x dma driver
ASoC: max98373: add 88200 and 96000 sampling rate support
ASoC: sun4i-i2s: Incorrect SR and WSS computation
MAINTAINERS: Update Intel ASoC drivers maintainers
ASoC: ti: davinci-mcasp: Correct slot_width posed constraint
ASoC: rockchip: Fix mono capture
ASoC: Intel: Fix some acpi vs apci typo in somme comments
ASoC: ti: davinci-mcasp: Fix clk PDIR handling for i2s master mode
ASoC: Fail card instantiation if DAI format setup fails
ASoC: SOF: Intel: hda: remove misleading error trace from IRQ thread
ASoC: qcom: apq8016_sbc: Fix oops with multiple DAI links
ASoC: dapm: fix a memory leak bug
...
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Merge tag 'media/v5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fix from Mauro Carvalho Chehab:
"A fix at the vivid CEC support"
* tag 'media/v5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: vivid: fix missing cec adapter name
Revert a recent PCI power management change that caused problems to
occur on multiple systems (Mika Westerberg).
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Merge tag 'pm-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Revert a recent PCI power management change that caused problems to
occur on multiple systems (Mika Westerberg)"
* tag 'pm-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "PCI: Add missing link delays required by the PCIe spec"
Pull crypto fixes from Herbert Xu:
"Fix a number of bugs in the ccp driver"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: ccp - Ignore tag length when decrypting GCM ciphertext
crypto: ccp - Add support for valid authsize values less than 16
crypto: ccp - Fix oops by properly managing allocated structures
fbdev patches will now go to upstream through drm-misc tree (IOW
starting with v5.4 merge window fbdev changes will be included in
DRM pull request) for improved maintainership and better integration
testing. Update MAINTAINERS file accordingly.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
s390 does not map the vdso for statically linked binaries, assuming
that this doesn't make sense. See commit fc5243d98a ("[S390]
arch_setup_additional_pages arguments").
However with glibc commit d665367f596d ("linux: Enable vDSO for static
linking as default (BZ#19767)") and commit 5e855c895401 ("s390: Enable
VDSO for static linking") the vdso is also used for statically linked
binaries - if the kernel would make it available.
Therefore map the vdso always, just like all other architectures.
Reported-by: Stefan Liebler <stli@linux.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Highlights include:
Stable fixes:
- NFSv4: Ensure we check the return value of update_open_stateid() so we
correctly track active open state.
- NFSv4: Fix for delegation state recovery to ensure we recover all open
modes that are active.
- NFSv4: Fix an Oops in nfs4_do_setattr
Bugfixes:
- NFS: Fix regression whereby fscache errors are appearing on 'nofsc' mounts
- NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim()
- NFSv4: Fix a credential refcount leak in nfs41_check_delegation_stateid
- pNFS: Report errors from the call to nfs4_select_rw_stateid()
- NFSv4: Various other delegation and open stateid recovery fixes
- NFSv4: Fix state recovery behaviour when server connection times out
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Merge tag 'nfs-for-5.3-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
"Highlights include:
Stable fixes:
- NFSv4: Ensure we check the return value of update_open_stateid() so
we correctly track active open state.
- NFSv4: Fix for delegation state recovery to ensure we recover all
open modes that are active.
- NFSv4: Fix an Oops in nfs4_do_setattr
Fixes:
- NFS: Fix regression whereby fscache errors are appearing on 'nofsc'
mounts
- NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim()
- NFSv4: Fix a credential refcount leak in nfs41_check_delegation_stateid
- pNFS: Report errors from the call to nfs4_select_rw_stateid()
- NFSv4: Various other delegation and open stateid recovery fixes
- NFSv4: Fix state recovery behaviour when server connection times
out"
* tag 'nfs-for-5.3-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv4: Ensure state recovery handles ETIMEDOUT correctly
NFS: Fix regression whereby fscache errors are appearing on 'nofsc' mounts
NFSv4: Fix an Oops in nfs4_do_setattr
NFSv4: Fix a potential sleep while atomic in nfs4_do_reclaim()
NFSv4: Check the return value of update_open_stateid()
NFSv4.1: Only reap expired delegations
NFSv4.1: Fix open stateid recovery
NFSv4: Report the error from nfs4_select_rw_stateid()
NFSv4: When recovering state fails with EAGAIN, retry the same recovery
NFSv4: Print an error in the syslog when state is marked as irrecoverable
NFSv4: Fix delegation state recovery
NFSv4: Fix a credential refcount leak in nfs41_check_delegation_stateid
Pull cifs fixes from Steve French:
"Six small SMB3 fixes, two for stable"
* tag '5.3-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
SMB3: Kernel oops mounting a encryptData share with CONFIG_DEBUG_VIRTUAL
smb3: update TODO list of missing features
smb3: send CAP_DFS capability during session setup
SMB3: Fix potential memory leak when processing compound chain
SMB3: Fix deadlock in validate negotiate hits reconnect
cifs: fix rmmod regression in cifs.ko caused by force_sig changes
A deadlock with this stacktrace was observed.
The loop thread does a GFP_KERNEL allocation, it calls into dm-bufio
shrinker and the shrinker depends on I/O completion in the dm-bufio
subsystem.
In order to fix the deadlock (and other similar ones), we set the flag
PF_MEMALLOC_NOIO at loop thread entry.
PID: 474 TASK: ffff8813e11f4600 CPU: 10 COMMAND: "kswapd0"
#0 [ffff8813dedfb938] __schedule at ffffffff8173f405
#1 [ffff8813dedfb990] schedule at ffffffff8173fa27
#2 [ffff8813dedfb9b0] schedule_timeout at ffffffff81742fec
#3 [ffff8813dedfba60] io_schedule_timeout at ffffffff8173f186
#4 [ffff8813dedfbaa0] bit_wait_io at ffffffff8174034f
#5 [ffff8813dedfbac0] __wait_on_bit at ffffffff8173fec8
#6 [ffff8813dedfbb10] out_of_line_wait_on_bit at ffffffff8173ff81
#7 [ffff8813dedfbb90] __make_buffer_clean at ffffffffa038736f [dm_bufio]
#8 [ffff8813dedfbbb0] __try_evict_buffer at ffffffffa0387bb8 [dm_bufio]
#9 [ffff8813dedfbbd0] dm_bufio_shrink_scan at ffffffffa0387cc3 [dm_bufio]
#10 [ffff8813dedfbc40] shrink_slab at ffffffff811a87ce
#11 [ffff8813dedfbd30] shrink_zone at ffffffff811ad778
#12 [ffff8813dedfbdc0] kswapd at ffffffff811ae92f
#13 [ffff8813dedfbec0] kthread at ffffffff810a8428
#14 [ffff8813dedfbf50] ret_from_fork at ffffffff81745242
PID: 14127 TASK: ffff881455749c00 CPU: 11 COMMAND: "loop1"
#0 [ffff88272f5af228] __schedule at ffffffff8173f405
#1 [ffff88272f5af280] schedule at ffffffff8173fa27
#2 [ffff88272f5af2a0] schedule_preempt_disabled at ffffffff8173fd5e
#3 [ffff88272f5af2b0] __mutex_lock_slowpath at ffffffff81741fb5
#4 [ffff88272f5af330] mutex_lock at ffffffff81742133
#5 [ffff88272f5af350] dm_bufio_shrink_count at ffffffffa03865f9 [dm_bufio]
#6 [ffff88272f5af380] shrink_slab at ffffffff811a86bd
#7 [ffff88272f5af470] shrink_zone at ffffffff811ad778
#8 [ffff88272f5af500] do_try_to_free_pages at ffffffff811adb34
#9 [ffff88272f5af590] try_to_free_pages at ffffffff811adef8
#10 [ffff88272f5af610] __alloc_pages_nodemask at ffffffff811a09c3
#11 [ffff88272f5af710] alloc_pages_current at ffffffff811e8b71
#12 [ffff88272f5af760] new_slab at ffffffff811f4523
#13 [ffff88272f5af7b0] __slab_alloc at ffffffff8173a1b5
#14 [ffff88272f5af880] kmem_cache_alloc at ffffffff811f484b
#15 [ffff88272f5af8d0] do_blockdev_direct_IO at ffffffff812535b3
#16 [ffff88272f5afb00] __blockdev_direct_IO at ffffffff81255dc3
#17 [ffff88272f5afb30] xfs_vm_direct_IO at ffffffffa01fe3fc [xfs]
#18 [ffff88272f5afb90] generic_file_read_iter at ffffffff81198994
#19 [ffff88272f5afc50] __dta_xfs_file_read_iter_2398 at ffffffffa020c970 [xfs]
#20 [ffff88272f5afcc0] lo_rw_aio at ffffffffa0377042 [loop]
#21 [ffff88272f5afd70] loop_queue_work at ffffffffa0377c3b [loop]
#22 [ffff88272f5afe60] kthread_worker_fn at ffffffff810a8a0c
#23 [ffff88272f5afec0] kthread at ffffffff810a8428
#24 [ffff88272f5aff50] ret_from_fork at ffffffff81745242
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Commit 89e524c04f ("loop: Fix mount(2) failure due to race with
LOOP_SET_FD") converted blkdev_get() to use the new helpers for
finishing claiming of a block device. However the conversion botched the
error handling in blkdev_get() and thus the bdev has been marked as held
even in case __blkdev_get() returned error. This led to occasional
warnings with block/001 test from blktests like:
kernel: WARNING: CPU: 5 PID: 907 at fs/block_dev.c:1899 __blkdev_put+0x396/0x3a0
Correct the error handling.
CC: stable@vger.kernel.org
Fixes: 89e524c04f ("loop: Fix mount(2) failure due to race with LOOP_SET_FD")
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
As reported in [1], the call bfq_init_rq(rq) may return NULL in case
of OOM (in particular, if rq->elv.icq is NULL because memory
allocation failed in failed in ioc_create_icq()).
This commit handles this circumstance.
[1] https://lkml.org/lkml/2019/7/22/824
Cc: Hsin-Yi Wang <hsinyi@google.com>
Cc: Nicolas Boichat <drinkcat@chromium.org>
Cc: Doug Anderson <dianders@chromium.org>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: Hsin-Yi Wang <hsinyi@google.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Since commit 13a857a4c4 ("block, bfq: detect wakers and
unconditionally inject their I/O"), every bfq_queue has a pointer to a
waker bfq_queue and a list of the bfq_queues it may wake. In this
respect, when a bfq_queue, say Q, remains with no I/O source attached
to it, Q cannot be woken by any other bfq_queue, and cannot wake any
other bfq_queue. Then Q must be removed from the woken list of its
possible waker bfq_queue, and all bfq_queues in the woken list of Q
must stop having a waker bfq_queue.
Q remains with no I/O source in two cases: when the last process
associated with Q exits or when such a process gets associated with a
different bfq_queue. Unfortunately, commit 13a857a4c4 ("block, bfq:
detect wakers and unconditionally inject their I/O") performed the
above updates only in the first case.
This commit fixes this bug by moving these updates to when Q gets
freed. This is a simple and safe way to handle all cases, as both the
above events, process exit and re-association, lead to Q being freed
soon, and because dangling references would come out only after Q gets
freed (if no update were performed).
Fixes: 13a857a4c4 ("block, bfq: detect wakers and unconditionally inject their I/O")
Reported-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Since commit 13a857a4c4 ("block, bfq: detect wakers and
unconditionally inject their I/O"), BFQ stores, in a per-device
pointer last_completed_rq_bfqq, the last bfq_queue that had an I/O
request completed. If some bfq_queue receives new I/O right after the
last request of last_completed_rq_bfqq has been completed, then
last_completed_rq_bfqq may be a waker bfq_queue.
But if the bfq_queue last_completed_rq_bfqq points to is freed, then
last_completed_rq_bfqq becomes a dangling reference. This commit
resets last_completed_rq_bfqq if the pointed bfq_queue is freed.
Fixes: 13a857a4c4 ("block, bfq: detect wakers and unconditionally inject their I/O")
Reported-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Currently empty .bss checks performed do not pay attention to "common
objects" in object files which end up in .bss section eventually.
The "size" tool is a part of binutils and since version 2.18 provides
"--common" command line option, which allows to account "common objects"
sizes in .bss section size. Utilize "size --common" to perform accurate
check that .bss section is unused. Besides that the size tool handles
object files without .bss section gracefully and doesn't require
additional objdump run.
The linux kernel requires binutils 2.20 since 4.13.
Kbuild exports OBJSIZE to reference the right size tool.
Link: http://lkml.kernel.org/r/patch-2.thread-2257a1.git-2257a1c53d4a.your-ad-here.call-01565088755-ext-5120@work.hours
Reported-and-tested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Define and export OBJSIZE variable for "size" tool from binutils to be
used in architecture specific Makefiles (naming the variable just "SIZE"
would be too risky). In particular this tool is useful to perform checks
that early boot code is not using bss section (which might have not been
zeroed yet or intersects with initrd or other files boot loader might
have put right after the linux kernel).
Link: http://lkml.kernel.org/r/patch-1.thread-2257a1.git-188f5a3d81d5.your-ad-here.call-01565088755-ext-5120@work.hours
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Commit 4a6ef8e37c ("pwm: Add support referencing PWMs from ACPI")
made pwm_get unconditionally return the acpi_pwm_get return value if
the device passed to pwm_get has an ACPI fwnode.
But even if the passed in device has an ACPI fwnode, it does not
necessarily have the necessary ACPI package defining its pwm bindings,
especially since the binding / API of this ACPI package has only been
introduced very recently.
Up until now X86/ACPI devices which use a separate pwm controller for
controlling their LCD screen's backlight brightness have been relying
on the static lookup-list to get their pwm.
pwm_get unconditionally returning the acpi_pwm_get return value breaks
this, breaking backlight control on these devices.
This commit fixes this by making pwm_get fall back to the static
lookup-list if acpi_pwm_get returns -ENOENT.
BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=96571
Reported-by: youling257@gmail.com
Fixes: 4a6ef8e37c ("pwm: Add support referencing PWMs from ACPI")
Cc: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Currently when too many retries have occurred there is a memory
leak on the allocation for reply on the error return path. Fix
this by kfree'ing reply before returning.
Addresses-Coverity: ("Resource leak")
Fixes: a9cd9c044a ("drm/vmwgfx: Add a check to handle host message failure")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
In iso_packets_buffer_init(), 'b->packets' is allocated through
kmalloc_array(). Then, the aligned packet size is checked. If it is
larger than PAGE_SIZE, -EINVAL will be returned to indicate the error.
However, the allocated 'b->packets' is not deallocated on this path,
leading to a memory leak.
To fix the above issue, free 'b->packets' before returning the error code.
Fixes: 31ef9134eb ("ALSA: add LaCie FireWire Speakers/Griffin FireWave Surround driver")
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Cc: <stable@vger.kernel.org> # v2.6.39+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
In sound_insert_unit(), the controlling structure 's' is allocated through
kmalloc(). Then it is added to the sound driver list by invoking
__sound_insert_unit(). Later on, if __register_chrdev() fails, 's' is
removed from the list through __sound_remove_unit(). If 'index' is not less
than 0, -EBUSY is returned to indicate the error. However, 's' is not
deallocated on this execution path, leading to a memory leak bug.
To fix the above issue, free 's' before -EBUSY is returned.
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
drm-fixes-5.3-2019-08-07:
amdgpu:
- Fixes VCN to handle the latest navi10 firmware
- Fixes for fan control on navi10
- Properly handle SMU metrics table on navi10
- Fix a resume regression on Stoney
amdkfd:
- Revert new GWS ioctl. It's not ready.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190807184221.3323-1-alexander.deucher@amd.com
This contains a single fix for a regression introduced by a combination
of a GPIO and a drm/tegra patch merged in v5.3-rc1.
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Merge tag 'drm/tegra/for-5.3-rc4' of git://anongit.freedesktop.org/tegra/linux into drm-fixes
drm/tegra: Fixes for v5.3-rc4
This contains a single fix for a regression introduced by a combination
of a GPIO and a drm/tegra patch merged in v5.3-rc1.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190807140634.29166-1-thierry.reding@gmail.com
The configuration register of the tmp75b sensor is 16bit long, however
the first byte is reserved, so there is not no need to take care of it.
Because the order of the bytes is little endian and it is only necessary
to write one byte, the desired bits must be shifted into a 8 bit range.
Fixes: 39abe9d88b ("hwmon: (lm75) Add support for TMP75B")
Cc: stable@vger.kernel.org
Signed-off-by: Iker Perez del Palomar Sustatxa <iker.perez@codethink.co.uk>
Link: https://lore.kernel.org/r/20190801075324.4638-1-iker.perez@codethink.co.uk
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The code to detect if in4 is present is wrong; if in4 is not present,
the in4_input sysfs attribute is still present.
In detail:
- Ihen RTD3_MD=11 (VSEN3 present), everything is as expected (no bug).
- If we have RTD3_MD!=11 (no VSEN3), we unexpectedly have a in4_input
file under /sys and the "sensors" command displays in4_input.
But as expected, we have no in4_min, in4_max, in4_alarm, in4_beep.
Fix is_visible function to detect and report in4_input visibility
as expected.
Reported-by: Gilles Buloz <Gilles.Buloz@kontron.com>
Cc: Gilles Buloz <Gilles.Buloz@kontron.com>
Cc: stable@vger.kernel.org
Fixes: 3434f37835 ("hwmon: Driver for Nuvoton NCT7802Y")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Abort processing of a command if we run out of mapped data in the
SG list. This should never happen, but a previous bug caused it to
be possible. Play it safe and attempt to abort nicely if we don't
have more SG segments left.
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
For passthrough requests, libata-scsi takes what the user passes in
as gospel. This can be problematic if the user fills in the CDB
incorrectly. One example of that is in request sizes. For read/write
commands, the CDB contains fields describing the transfer length of
the request. These should match with the SG_IO header fields, but
libata-scsi currently does no validation of that.
Check that the number of blocks in the CDB for passthrough requests
matches what was mapped into the request. If the CDB asks for more
data then the validated SG_IO header fields, error it.
Reported-by: Krishna Ram Prakash R <krp@gtux.in>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
0eb6ddfb86 tried to fix this up, but introduced a use-after-free
of dio. Additionally, we still had an issue with error handling,
as reported by Darrick:
"I noticed a regression in xfs/747 (an unreleased xfstest for the
xfs_scrub media scanning feature) on 5.3-rc3. I'll condense that down
to a simpler reproducer:
error-test: 0 209 linear 8:48 0
error-test: 209 1 error
error-test: 210 6446894 linear 8:48 210
Basically we have a ~3G /dev/sdd and we set up device mapper to fail IO
for sector 209 and to pass the io to the scsi device everywhere else.
On 5.3-rc3, performing a directio pread of this range with a < 1M buffer
(in other words, a request for fewer than MAX_BIO_PAGES bytes) yields
EIO like you'd expect:
pread64(3, 0x7f880e1c7000, 1048576, 0) = -1 EIO (Input/output error)
pread: Input/output error
+++ exited with 0 +++
But doing it with a larger buffer succeeds(!):
pread64(3, "XFSB\0\0\20\0\0\0\0\0\0\fL\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 1146880, 0) = 1146880
read 1146880/1146880 bytes at offset 0
1 MiB, 1 ops; 0.0009 sec (1.124 GiB/sec and 1052.6316 ops/sec)
+++ exited with 0 +++
(Note that the part of the buffer corresponding to the dm-error area is
uninitialized)
On 5.3-rc2, both commands would fail with EIO like you'd expect. The
only change between rc2 and rc3 is commit 0eb6ddfb86 ("block: Fix
__blkdev_direct_IO() for bio fragments").
AFAICT we end up in __blkdev_direct_IO with a 1120K buffer, which gets
split into two bios: one for the first BIO_MAX_PAGES worth of data (1MB)
and a second one for the 96k after that."
Fix this by noting that it's always safe to dereference dio if we get
BLK_QC_T_EAGAIN returned, as end_io hasn't been run for that case. So
we can safely increment the dio size before calling submit_bio(), and
then decrement it on failure (not that it really matters, as the bio
and dio are going away).
For error handling, return to the original method of just using 'ret'
for tracking the error, and the size tracking in dio->size.
Fixes: 0eb6ddfb86 ("block: Fix __blkdev_direct_IO() for bio fragments")
Fixes: 6a43074e2f ("block: properly handle IOCB_NOWAIT for async O_DIRECT IO")
Reported-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Ensure that the state recovery code handles ETIMEDOUT correctly,
and also that we set RPC_TASK_TIMEOUT when recovering open state.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This reverts commit 1a058c3376.
This interface is still in too much flux. Revert until
it's sorted out.
Acked-by: Oak Zeng <Oak.Zeng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
A long-time problem on the recent AMD chip (X370, X470, B450, etc with
PCI ID 1022:1457) with Realtek codecs is the crackled or distorted
sound for capture streams, as well as occasional playback hiccups.
After lengthy debugging sessions, the workarounds we've found are like
the following:
- Set up the proper driver caps for this controller, similar as the
other AMD controller.
- Correct the DMA position reporting with the fixed FIFO size, which
is similar like as workaround used for VIA chip set.
- Even after the position correction, PulseAudio still shows
mysterious stalls of playback streams when a capture is triggered in
timer-scheduled mode. Since we have no clear way to eliminate the
stall, pass the BATCH PCM flag for PA to suppress the tsched mode as
a temporary workaround.
This patch implements the workarounds. For the driver caps, it
defines a new preset, AXZ_DCAPS_PRESET_AMD_SB. It enables the FIFO-
corrected position reporting (corresponding to the new position_fix=6)
and enforces the SNDRV_PCM_INFO_BATCH flag.
Note that the current implementation is merely a workaround.
Hopefully we'll find a better alternative in future, especially about
removing the BATCH flag hack again.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=195303
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
In hiface_pcm_init(), 'rt' is firstly allocated through kzalloc(). Later
on, hiface_pcm_init_urb() is invoked to initialize 'rt->out_urbs[i]'. In
hiface_pcm_init_urb(), 'rt->out_urbs[i].buffer' is allocated through
kzalloc(). However, if hiface_pcm_init_urb() fails, both 'rt' and
'rt->out_urbs[i].buffer' are not deallocated, leading to memory leak bugs.
Also, 'rt->out_urbs[i].buffer' is not deallocated if snd_pcm_new() fails.
To fix the above issues, free 'rt' and 'rt->out_urbs[i].buffer'.
Fixes: a91c3fb2f8 ("Add M2Tech hiFace USB-SPDIF driver")
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This reverts commit 9ed2c993d7.
SET_CONFIG_REG writes to memory if register shadowing is enabled,
causing a VM fault.
NGG streamout is unstable anyway, so all UMDs should use legacy
streamout. I think Mesa is the only driver using NGG streamout.
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Pull networking fixes from David Miller:
"Yeah I should have sent a pull request last week, so there is a lot
more here than usual:
1) Fix memory leak in ebtables compat code, from Wenwen Wang.
2) Several kTLS bug fixes from Jakub Kicinski (circular close on
disconnect etc.)
3) Force slave speed check on link state recovery in bonding 802.3ad
mode, from Thomas Falcon.
4) Clear RX descriptor bits before assigning buffers to them in
stmmac, from Jose Abreu.
5) Several missing of_node_put() calls, mostly wrt. for_each_*() OF
loops, from Nishka Dasgupta.
6) Double kfree_skb() in peak_usb can driver, from Stephane Grosjean.
7) Need to hold sock across skb->destructor invocation, from Cong
Wang.
8) IP header length needs to be validated in ipip tunnel xmit, from
Haishuang Yan.
9) Use after free in ip6 tunnel driver, also from Haishuang Yan.
10) Do not use MSI interrupts on r8169 chips before RTL8168d, from
Heiner Kallweit.
11) Upon bridge device init failure, we need to delete the local fdb.
From Nikolay Aleksandrov.
12) Handle erros from of_get_mac_address() properly in stmmac, from
Martin Blumenstingl.
13) Handle concurrent rename vs. dump in netfilter ipset, from Jozsef
Kadlecsik.
14) Setting NETIF_F_LLTX on mac80211 causes complete breakage with
some devices, so revert. From Johannes Berg.
15) Fix deadlock in rxrpc, from David Howells.
16) Fix Kconfig deps of enetc driver, we must have PHYLIB. From Yue
Haibing.
17) Fix mvpp2 crash on module removal, from Matteo Croce.
18) Fix race in genphy_update_link, from Heiner Kallweit.
19) bpf_xdp_adjust_head() stopped working with generic XDP when we
fixes generic XDP to support stacked devices properly, fix from
Jesper Dangaard Brouer.
20) Unbalanced RCU locking in rt6_update_exception_stamp_rt(), from
David Ahern.
21) Several memory leaks in new sja1105 driver, from Vladimir Oltean"
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (214 commits)
net: dsa: sja1105: Fix memory leak on meta state machine error path
net: dsa: sja1105: Fix memory leak on meta state machine normal path
net: dsa: sja1105: Really fix panic on unregistering PTP clock
net: dsa: sja1105: Use the LOCKEDS bit for SJA1105 E/T as well
net: dsa: sja1105: Fix broken learning with vlan_filtering disabled
net: dsa: qca8k: Add of_node_put() in qca8k_setup_mdio_bus()
net: sched: sample: allow accessing psample_group with rtnl
net: sched: police: allow accessing police->params with rtnl
net: hisilicon: Fix dma_map_single failed on arm64
net: hisilicon: fix hip04-xmit never return TX_BUSY
net: hisilicon: make hip04_tx_reclaim non-reentrant
tc-testing: updated vlan action tests with batch create/delete
net sched: update vlan action for batched events operations
net: stmmac: tc: Do not return a fragment entry
net: stmmac: Fix issues when number of Queues >= 4
net: stmmac: xgmac: Fix XGMAC selftests
be2net: disable bh with spin_lock in be_process_mcc
net: cxgb3_main: Fix a resource leak in a error path in 'init_one()'
net: ethernet: sun4i-emac: Support phy-handle property for finding PHYs
net: bridge: move default pvid init/deinit to NETDEV_REGISTER/UNREGISTER
...
Vladimir Oltean says:
====================
Fixes for SJA1105 DSA: FDBs, Learning and PTP
This is an assortment of functional fixes for the sja1105 switch driver
targeted for the "net" tree (although they apply on net-next just as
well).
Patch 1/5 ("net: dsa: sja1105: Fix broken learning with vlan_filtering
disabled") repairs a breakage introduced in the early development stages
of the driver: support for traffic from the CPU has broken "normal"
frame forwarding (based on DMAC) - there is connectivity through the
switch only because all frames are flooded.
I debated whether this patch qualifies as a fix, since it puts the
switch into a mode it has never operated in before (aka SVL). But
"normal" forwarding did use to work before the "Traffic support for
SJA1105 DSA driver" patchset, and arguably this patch should have been
part of that.
Also, it would be strange for this feature to be broken in the 5.2 LTS.
Patch 2/5 ("net: dsa: sja1105: Use the LOCKEDS bit for SJA1105 E/T as
well") is a simplification of a previous FDB-related patch that is
currently in the 5.3 rc's.
Patches 3/5 - 5/5 fix various crashes found while running linuxptp over the
switch ports for extended periods of time, or in conjunction with other
error conditions. The fixed-up commits were all introduced in 5.2.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When RX timestamping is enabled and two link-local (non-meta) frames are
received in a row, this constitutes an error.
The tagger is always caching the last link-local frame, in an attempt to
merge it with the meta follow-up frame when that arrives. To recover
from the above error condition, the initial cached link-local frame is
dropped and the second frame in a row is cached (in expectance of the
second meta frame).
However, when dropping the initial link-local frame, its backing memory
was being leaked.
Fixes: f3097be21b ("net: dsa: sja1105: Add a state machine for RX timestamping")
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
