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Mapping an image with a long parent chain (e.g. image foo, whose parent
is bar, whose parent is baz, etc) currently leads to a kernel stack
overflow, due to the following recursion in the reply path:
rbd_osd_req_callback()
rbd_obj_request_complete()
rbd_img_obj_callback()
rbd_img_parent_read_callback()
rbd_obj_request_complete()
...
Limit the parent chain to 16 images, which is ~5K worth of stack. When
the above recursion is eliminated, this limit can be lifted.
Fixes: http://tracker.ceph.com/issues/12538
Cc: [email protected] # 3.10+, needs backporting for < 4.2
Signed-off-by: Ilya Dryomov <[email protected]>
Reviewed-by: Josh Durgin <[email protected]>
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Currently we leak parent_spec and trigger a "parent reference
underflow" warning if rbd_dev_create() in rbd_dev_probe_parent() fails.
The problem is we take the !parent out_err branch and that only drops
refcounts; parent_spec that would've been freed had we called
rbd_dev_unparent() remains and triggers rbd_warn() in
rbd_dev_parent_put() - at that point we have parent_spec != NULL and
parent_ref == 0, so counter ends up being -1 after the decrement.
Redo rbd_dev_probe_parent() to fix this.
Cc: [email protected] # 3.10+, needs backporting for < 4.2
Signed-off-by: Ilya Dryomov <[email protected]>
Reviewed-by: Alex Elder <[email protected]>
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Some module pin connection are static and defined by the topology.
This patch adds support for static pin definitions in topology widget
private data
Signed-off-by: Jeeja KP <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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If copier instance is connected to a DMA gateway then driver
needs to configure the gateway configuration otherwise set
it to invalid.
This patch sets the non gateway copier node value to invalid.
Signed-off-by: Dharageswari.R <[email protected]>
Signed-off-by: Jeeja KP <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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If DSP initialization fails, ipc to disable notification
will cause NULL ptr exception as ipc is not initialized.
This patch returns error if dsp init fails before
sending disable notification ipc.
Signed-off-by: Jeeja KP <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Each FW modules can report underrun/overrun notification from
all modules. This patch disables underrun/overrun notification after
firmware is loaded.
This will be supportted for debug mode only thru debugfs
Signed-off-by: Jeeja KP <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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DSP firmware has interface change for SSP node index structure.
New FW interface removes the dual_mono field and adds 4 bits for
TDM slot group index. This patch updates the ssp dma to align with
the DSP firmware structure.
Signed-off-by: Jeeja KP <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Currently params only for first copier widget identified in the
source/sink path is queried from NHLT. In the dapm route the
playback/capture widget may be connected to more than one copier
widget. This patch adds return check to return only for any error
case.
Signed-off-by: Subhransu S. Prusty <[email protected]>
Signed-off-by: Jeeja KP <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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In case of playback, for the BE dai source path should be iterated to find
the pipe params. With sink path iterated, this resulted in a loop and kernel
panic with page request failure.
Similar are the cases for Capture and FE dais. Using correct macros to fix
the panic
Signed-off-by: Subhransu S. Prusty <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The BE copier private data allowed endpoint configuration blobs, now these
are queried from BIOS, we don't need to copy the blob, but only capability.
Removing the blob from private data will not allocate memory for module
specific config in which case memcpy will fail. Fix is to assign the ptr
queried from the NHLT table for the endpoint configuration.
Signed-off-by: Jeeja KP <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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pm_runtime_get_sync() will return a negative value in case of
error and can return postive value for success. The return check
for pm_runtime_get_sync() must be less than 0, so fix it
Signed-off-by: Jeeja KP <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc fixes: two KASAN fixes, two EFI boot fixes, two boot-delay
optimization fixes, and a fix for a IRQ handling hang observed on
virtual platforms"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm, kasan: Silence KASAN warnings in get_wchan()
compiler, atomics, kasan: Provide READ_ONCE_NOCHECK()
x86, kasan: Fix build failure on KASAN=y && KMEMCHECK=y kernels
x86/smpboot: Fix CPU #1 boot timeout
x86/smpboot: Fix cpu_init_udelay=10000 corner case boot parameter misbehavior
x86/ioapic: Disable interrupts when re-routing legacy IRQs
x86/setup: Extend low identity map to cover whole kernel range
x86/efi: Fix multiple GOP device support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Misc fixes all around the map: an instrumentation fix, a nohz
usability fix, a lockdep annotation fix and two task group scheduling
fixes"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/core: Add missing lockdep_unpin() annotations
sched/deadline: Fix migration of SCHED_DEADLINE tasks
nohz: Revert "nohz: Set isolcpus when nohz_full is set"
sched/fair: Update task group's load_avg after task migration
sched/fair: Fix overly small weight for interactive group entities
sched, tracing: Stop/start critical timings around the idle=poll idle loop
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Merge fixes from Andrew Morton:
"9 fixes"
* emailed patches from Andrew Morton <[email protected]>:
ocfs2/dlm: unlock lockres spinlock before dlm_lockres_put
fault-inject: fix inverted interval/probability values in printk
lib/Kconfig.debug: disable -Wframe-larger-than warnings with KASAN=y
mm: make sendfile(2) killable
thp: use is_zero_pfn() only after pte_present() check
mailmap: update Javier Martinez Canillas' email
MAINTAINERS: add Sergey as zsmalloc reviewer
mm: cma: fix incorrect type conversion for size during dma allocation
kmod: don't run async usermode helper as a child of kworker thread
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Luca and Wanpeng reported two missing annotations that led to
false lockdep complaints. Add the missing annotations.
Reported-by: Luca Abeni <[email protected]>
Reported-by: Wanpeng Li <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Juri Lelli <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Fixes: cbce1a686700 ("sched,lockdep: Employ lock pinning")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Revert "Use the POWER8 Micro Partition Prefetch Engine in KVM HV on
POWER8" from Paul
- Handle irq_happened flag correctly in off-line loop from Paul
- Validate rtas.entry before calling enter_rtas() from Vasant
* tag 'powerpc-4.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/rtas: Validate rtas.entry before calling enter_rtas()
powerpc/powernv: Handle irq_happened flag correctly in off-line loop
powerpc: Revert "Use the POWER8 Micro Partition Prefetch Engine in KVM HV on POWER8"
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"Most of the changes this time are for incorrect device nodes in
various ways, on on imx, berlin, exynos, ux500, uniphier, omap and
meson.
Chen-Yu Tsai now co-maintains mach-sunxi (Allwinner).
Other bug fixes include
- a partial revert of a broken tegra gpio patch
- irq affinity for arm ccn
- suspend on one Armada 385 machine
- enable ZONE_DMA to avoid an OMAP crash for over 2GB RAM
- turning on a regulator on beagleboard-x15 for HDMI
- making the omap gpmc debug code visible
- setup of orion network switch
- a rare build regression for pxa"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
ARM: OMAP2+: Fix imprecise external abort caused by bogus SRAM init
thermal: exynos: Fix register read in TMU
ARM: OMAP2+: Fix oops with LPAE and more than 2GB of memory
ARM: tegra: Comment out gpio-ranges properties
ARM: dts: uniphier: fix IRQ number for devices on PH1-LD6b ref board
drivers/perf: arm_pmu: avoid CPU device_node reference leak
bus: arm-ccn: Fix irq affinity setting on CPU migration
bus: arm-ccn: Handle correctly no-more-cpus case
ARM: mvebu: correct a385-db-ap compatible string
ARM: meson6: DTS: Fix wrong reg mapping and IRQ numbers
MAINTAINERS: Update Allwinner entry and add new maintainer
ARM: ux500: modify initial levelshifter status
ARM: pxa: fix pxa3xx DFI lockup hack
Documentation: ARM: List new omap MMC requirements
memory: omap-gpmc: dump "before" state before first modification
memory: omap-gpmc: Fix unselectable debug option for GPMC
ARM: dts: am57xx-beagle-x15: set VDD_SD to always-on
ARM: dts: Fix audio card detection on Peach boards
ARM: EXYNOS: Fix double of_node_put() when parsing child power domains
ARM: orion: Fix DSA platform device after mvmdio conversion
...
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Pull KVM bugfixes from Paolo Bonzini:
"Bug fixes for ARM, mostly 4.3 regressions related to virtual interrupt
controller changes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
arm/arm64: KVM: Fix disabled distributor operation
arm/arm64: KVM: Clear map->active on pend/active clear
arm/arm64: KVM: Fix arch timer behavior for disabled interrupts
KVM: arm: use GIC support unconditionally
KVM: arm/arm64: Fix memory leak if timer initialization fails
KVM: arm/arm64: Do not inject spurious interrupts
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Running tests on other changes, the system locked up due to lots of
warnings. It was caused by the stack tracer triggering a warning
about using rcu_dereference() when RCU was not watching. This can
happen due to the fact that the stack tracer uses the function tracer
to check each function, and there are functions that may be called and
traced when RCU stopped watching. Namely when a function is called
just before going idle or to userspace and after RCU stopped watching
that current CPU.
The first patch makes sure that RCU is watching when the stack tracer
uses RCU. The second patch is to make sure that the stack tracer does
not get called by functions in NMI, as it's not NMI safe"
* tag 'trace-fixes-v4.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Do not allow stack_tracer to record stack in NMI
tracing: Have stack tracer force RCU to be watching
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"There is nothing to worry you much, only a few small & stable patches
are found for usual stuff, HD-audio (a Lenovo laptop quirk, a fix for
minor error handling) and ASoC (trivial fixes for RT298 and WM
codecs).
The only remaining major change is the fix for ASoC SX_TLV control
that was overseen during refactoring, but the fix itself is trivial
and safe"
* tag 'sound-4.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: wm8962: mark cache_dirty flag after software reset in pm_resume
ASoC: rt298: fix wrong setting of gpio2_en
ASoC: wm8904: Correct number of EQ registers
ALSA: hda - Fix deadlock at error in building PCM
ASoC: Add info callback for SX_TLV controls
ASoC: rt298: correct index default value
ALSA: hda - Fix inverted internal mic on Lenovo G50-80
ALSA: hdac: Explicitly add io.h
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Some regression fixes and potential security issues:
- netup_unidvb: fix potential crash when spi is NULL
- rtl28xxu: fix control message flaws
- m88ds3103: fix a regression on Kernel 4.2
- c8sectpfe: fix some issues on this new driver
- v4l2-flash-led-class: fix a Kbuild dependency
- si2157 and si2158: check for array boundary when uploading firmware
files
- horus3a and lnbh25: fix some building troubles when some options
aren't selected
- ir-hix5hd2: drop the use of IRQF_NO_SUSPEND"
* tag 'media/v4.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] m88ds3103: use own reg update_bits() implementation
[media] rtl28xxu: fix control message flaws
[media] v4l2-flash-led-class: Add missing VIDEO_V4L2 Kconfig dependency
[media] netup_unidvb: fix potential crash when spi is NULL
[media] si2168: Bounds check firmware
[media] si2157: Bounds check firmware
[media] ir-hix5hd2: drop the use of IRQF_NO_SUSPEND
[media] c8sectpfe: fix return of garbage
[media] c8sectpfe: fix ininitialized error return on firmware load failure
[media] lnbh25: Fix lnbh25_attach() function return type
[media] horus3a: Fix horus3a_attach() function parameters
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Pull drm fixes from Dave Airlie:
"I've been a bit slow gathering these:
- drm/mst: one mutex leak in a fail path
- radeon: two oops fixes, one dpm fix
- i915: one messy set of fixes, where we revert the original fix, and
pull back the proper set of fixes from -next on top.
- nouveau: one fix for an illegal buffer placement.
Doesn't look too bad, hopefully shouldn't be too much more"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/gem: return only valid domain when there's only one
drm: fix mutex leak in drm_dp_get_mst_branch_device
drm/amdgpu: add missing dpm check for KV dpm late init
drm/amdgpu/dpm: don't add pwm attributes if DPM is disabled
drm/radeon/dpm: don't add pwm attributes if DPM is disabled
drm/i915: Add primary plane to mask if it's visible
drm/i915: Move sprite/cursor plane disable to intel_sanitize_crtc()
drm/i915: Assign hwmode after encoder state readout
Revert "drm/i915: Add primary plane to mask if it's visible"
drm/i915: Deny wrapping an userptr into a framebuffer
drm/i915: Enable DPLL VGA mode before P1/P2 divider write
drm/i915: Restore lost DPLL register write on gen2-4
drm/i915: Flush pipecontrol post-sync writes
drm/i915: Fix kerneldoc for i915_gem_shrink_all
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dlm_lockres_put will call dlm_lockres_release if it is the last
reference, and then it may call dlm_print_one_lock_resource and
take lockres spinlock.
So unlock lockres spinlock before dlm_lockres_put to avoid deadlock.
Signed-off-by: Joseph Qi <[email protected]>
Cc: Mark Fasheh <[email protected]>
Cc: Joel Becker <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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interval displays the probability and vice versa.
Fixes: 6adc4a22f20bb ("fault-inject: add ratelimit option")
Acked-by: Akinobu Mita <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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When the kernel compiled with KASAN=y, GCC adds redzones for each
variable on stack. This enlarges function's stack frame and causes:
'warning: the frame size of X bytes is larger than Y bytes'
The worst case I've seen for now is following:
../net/wireless/nl80211.c: In function `nl80211_send_wiphy':
../net/wireless/nl80211.c:1731:1: warning: the frame size of 5448 bytes is larger than 2048 bytes [-Wframe-larger-than=]
That kind of warning becomes useless with KASAN=y. It doesn't
necessarily indicate that there is some problem in the code, thus we
should turn it off.
(The KASAN=y stack size in increased from 16k to 32k for this reason)
Signed-off-by: Andrey Ryabinin <[email protected]>
Reported-by: Fengguang Wu <[email protected]>
Acked-by: Abylay Ospan <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: Kozlov Sergey <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Currently a simple program below issues a sendfile(2) system call which
takes about 62 days to complete in my test KVM instance.
int fd;
off_t off = 0;
fd = open("file", O_RDWR | O_TRUNC | O_SYNC | O_CREAT, 0644);
ftruncate(fd, 2);
lseek(fd, 0, SEEK_END);
sendfile(fd, fd, &off, 0xfffffff);
Now you should not ask kernel to do a stupid stuff like copying 256MB in
2-byte chunks and call fsync(2) after each chunk but if you do, sysadmin
should have a way to stop you.
We actually do have a check for fatal_signal_pending() in
generic_perform_write() which triggers in this path however because we
always succeed in writing something before the check is done, we return
value > 0 from generic_perform_write() and thus the information about
signal gets lost.
Fix the problem by doing the signal check before writing anything. That
way generic_perform_write() returns -EINTR, the error gets propagated up
and the sendfile loop terminates early.
Signed-off-by: Jan Kara <[email protected]>
Reported-by: Dmitry Vyukov <[email protected]>
Cc: Al Viro <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use is_zero_pfn() on pteval only after pte_present() check on pteval
(It might be better idea to introduce is_zero_pte() which checks
pte_present() first).
Otherwise when working on a swap or migration entry and if pte_pfn's
result is equal to zero_pfn by chance, we lose user's data in
__collapse_huge_page_copy(). So if you're unlucky, the application
segfaults and finally you could see below message on exit:
BUG: Bad rss-counter state mm:ffff88007f099300 idx:2 val:3
Fixes: ca0984caa823 ("mm: incorporate zero pages into transparent huge pages")
Signed-off-by: Minchan Kim <[email protected]>
Reviewed-by: Andrea Arcangeli <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Cc: Mel Gorman <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: <[email protected]> [4.1+]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The get_maintainer script still reports my old Collabora email based on
old commits but that address no longer exist so update mailmap to report
my current email and avoid people sending to the old address.
Signed-off-by: Javier Martinez Canillas <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Nominate myself as a zsmalloc reviewer.
Signed-off-by: Sergey Senozhatsky <[email protected]>
Cc: Minchan Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This was found during userspace fuzzing test when a large size dma cma
allocation is made by driver(like ion) through userspace.
show_stack+0x10/0x1c
dump_stack+0x74/0xc8
kasan_report_error+0x2b0/0x408
kasan_report+0x34/0x40
__asan_storeN+0x15c/0x168
memset+0x20/0x44
__dma_alloc_coherent+0x114/0x18c
Signed-off-by: Rohit Vaswani <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Cc: Marek Szyprowski <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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call_usermodehelper_exec_sync() does fork() + wait() with "unignored"
SIGCHLD. What we have missed is that this worker thread can have other
children previously forked by call_usermodehelper_exec_work() without
UMH_WAIT_PROC. If such a child exits in between it becomes a zombie
because auto-reaping only works if SIGCHLD is ignored, and nobody can
reap it (unless/until this worker thread exits too).
Change the !UMH_WAIT_PROC case to use CLONE_PARENT.
Note: this is only first step. All PF_KTHREAD tasks, even created by
kernel_thread() should have ->parent == kthreadd by default.
Fixes: bb304a5c6fc63d8506c ("kmod: handle UMH_WAIT_PROC from system unbound workqueue")
Signed-off-by: Oleg Nesterov <[email protected]>
Acked-by: Frederic Weisbecker <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Rusty Russell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.3
A bunch of driver fixes plus one core fix which fixes problems with
misreporting values from _SX controls following a recent refactoring.
This had gone unnoticed as such controls are quite rare.
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The rate constraints in this driver are shared between all device
instances. It should not be (and is not) modified at runtime, so make them
const.
While we are at it also change the type of the rates array from u32 to
unsigned int. While both resolve to the same type, u32 is usually used to
empathize that the value is for a 32-bit hardware register or similar which
makes it slightly confusing in this context.
Signed-off-by: Lars-Peter Clausen <[email protected]>
Acked-by: Nicolin Chen <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The rate constraints in this board driver are not modified at runtime, so
make them const.
While we are at it also remove the unnecessary 0 initializer for the mask
field.
Signed-off-by: Lars-Peter Clausen <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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The rate constraints in this board driver are not modified at runtime, so
make them const.
While we are at it also remove the unnecessary 0 initializer for the mask
field.
Signed-off-by: Lars-Peter Clausen <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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'asoc/fix/wm8904' and 'asoc/fix/wm8962' into asoc-linus
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Device stopped to tuning some channels after regmap conversion.
Reason is that regmap_update_bits() works a bit differently for
partially volatile registers than old homemade routine. Return
back to old routine in order to fix issue.
Fixes: 478932b16052f5ded74685d096ae920cd17d6424
Cc: <[email protected]> # 4.2+
Reported-by: Mark Clarkstone <[email protected]>
Tested-by: Mark Clarkstone <[email protected]>
Signed-off-by: Antti Palosaari <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Add lock to prevent concurrent access for control message as control
message function uses shared buffer. Without the lock there may be
remote control polling which messes the buffer causing IO errors.
Increase buffer size and add check for maximum supported message
length.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=103391
Fixes: c56222a6b25c ("[media] rtl28xxu: move usb buffers to state")
Cc: <[email protected]> # 4.0+
Signed-off-by: Antti Palosaari <[email protected]>
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Fixes the following randconfig problem:
drivers/built-in.o: In function `v4l2_flash_release':
(.text+0x12204f): undefined reference to `v4l2_async_unregister_subdev'
drivers/built-in.o: In function `v4l2_flash_release':
(.text+0x122057): undefined reference to `v4l2_ctrl_handler_free'
drivers/built-in.o: In function `v4l2_flash_close':
v4l2-flash-led-class.c:(.text+0x12208f): undefined reference to `v4l2_fh_is_singular'
v4l2-flash-led-class.c:(.text+0x1220c8): undefined reference to `__v4l2_ctrl_s_ctrl'
drivers/built-in.o: In function `v4l2_flash_open':
v4l2-flash-led-class.c:(.text+0x12227f): undefined reference to `v4l2_fh_is_singular'
drivers/built-in.o: In function `v4l2_flash_init_controls':
v4l2-flash-led-class.c:(.text+0x12274e): undefined reference to `v4l2_ctrl_handler_init_class'
v4l2-flash-led-class.c:(.text+0x122797): undefined reference to `v4l2_ctrl_new_std_menu'
v4l2-flash-led-class.c:(.text+0x1227e0): undefined reference to `v4l2_ctrl_new_std'
v4l2-flash-led-class.c:(.text+0x122826): undefined reference to `v4l2_ctrl_handler_setup'
v4l2-flash-led-class.c:(.text+0x122839): undefined reference to `v4l2_ctrl_handler_free'
drivers/built-in.o: In function `v4l2_flash_init':
(.text+0x1228e2): undefined reference to `v4l2_subdev_init'
drivers/built-in.o: In function `v4l2_flash_init':
(.text+0x12293b): undefined reference to `v4l2_async_register_subdev'
drivers/built-in.o: In function `v4l2_flash_init':
(.text+0x122949): undefined reference to `v4l2_ctrl_handler_free'
drivers/built-in.o:(.rodata+0x20ef8): undefined reference to `v4l2_subdev_queryctrl'
drivers/built-in.o:(.rodata+0x20f10): undefined reference to `v4l2_subdev_querymenu'
Signed-off-by: Jacek Anaszewski <[email protected]>
Reported-by: kbuild test robot <[email protected]>
Cc: Sakari Ailus <[email protected]>
Cc: Hans Verkuil <[email protected]>
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Signed-off-by: Abylay Ospan <[email protected]>
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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When reading the firmware and sending commands, the length must
be bounds checked to avoid overrunning the size of the command
buffer and smashing the stack if the firmware is not in the expected
format:
si2168 11-0064: found a 'Silicon Labs Si2168-B40'
si2168 11-0064: downloading firmware from file 'dvb-demod-si2168-b40-01.fw'
si2168 11-0064: firmware download failed -95
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffffffffa085708f
Add the proper check.
Cc: [email protected]
Reported-by: Stuart Auchterlonie <[email protected]>
Reviewed-by: Antti Palosaari <[email protected]>
Signed-off-by: Laura Abbott <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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When reading the firmware and sending commands, the length
must be bounds checked to avoid overrunning the size of the command
buffer and smashing the stack if the firmware is not in the
expected format. Add the proper check.
Cc: [email protected]
Signed-off-by: Laura Abbott <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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This driver doesn't claim the IR transmitter to be wakeup source. It
even disables the clock and the IR during suspend-resume cycle.
This patch removes yet another misuse of IRQF_NO_SUSPEND.
Cc: Patrice Chotard <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Guoxiong Yan <[email protected]>
Signed-off-by: Sudeep Holla <[email protected]>
Acked-by: Zhangfei Gao <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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The variable err was never initialized, that means we had been checking
a garbage value in the for loop. Moreover if the segment is not outside
the firmware file then also we have been returning the garbage.
Initialize it to 0 so that on success we return the value and no need to
check in the for loop also as it is initially 0 and whenever that value
changes we have done a break from the loop.
Signed-off-by: Sudip Mukherjee <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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static analysis with cppcheck detected the following error:
[drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c:1210]:
(error) Uninitialized variable: ret
ret is never initialised, so garbage is being returned. Instead
return the error return from the call of request_firmware_nowait
Signed-off-by: Colin Ian King <[email protected]>
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If CONFIG_DVB_LNBH25 is disabled, a stub static inline function is
defined that just prints a warning about the driver being disabled
but the function return type was wrong which caused a build error.
Fixes: e025273b86fb ("[media] lnbh25: LNBH25 SEC controller driver")
Reported-by: Fengguang Wu <[email protected]>
Signed-off-by: Javier Martinez Canillas <[email protected]>
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If CONFIG_DVB_HORUS3A is disabled a stub static inline function is
defined that just prints a warning about the driver being disabled
but the function parameters were wrong which caused a build error.
Fixes: a5d32b358254f ("[media] horus3a: Sony Horus3A DVB-S/S2 tuner driver")
Reported-by: Fengguang Wu <[email protected]>
Signed-off-by: Javier Martinez Canillas <[email protected]>
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Signed-off-by: Axel Lin <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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