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i2c_smbus_write_byte_data returns a valid error code.
Return it to the user instead of replacing it with -EIO.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
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ADC128D818 is a System Monitor with Temperature Sensor. It is similar to LM80
and LM96080, but has 16 bit wide sensor registers and no fan speed monitoring.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Entries have been added at more or less random positions over time, so
it becomes difficult to find what you are looking for or figure out
where to insert new entries.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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data is kzalloc'd, so data->valid is already 0.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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data is kzalloc'd, so data->valid and data->model are already 0.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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There is no reason to replace one error with another.
smatch message:
drivers/hwmon/emc2103.c:352 set_fan_div() info: why not propagate 'status'
from i2c_smbus_read_byte_data() instead of (-5)?
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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There is no reason to replace one error code with another,
and returning -1 as error code is wrong anyway.
Smatch log:
drivers/hwmon/smm665.c:225 smm665_read_adc() info: why not propagate 'rv'
from i2c_smbus_read_word_swapped() instead of (-1)?
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use devm_ioremap_resource() in order to make the code simpler,
and move 'struct resource *mem' from 'struct jz4740_hwmon' to
jz4740_hwmon_probe() because the 'mem' variable is used only in
jz4740_hwmon_probe(). Also the redundant return value check of
platform_get_resource() is removed, because the value is checked
by devm_ioremap_resource().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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LTC2945 is a system monitor that measures current, voltage, and power.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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LTC4260 is a Positive Voltage Hot Swap Controller.
The driver currently only supports voltage monitoring, not voltage control.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Driver Linear Technologies LTC4222 Dual Hot Swap Controller
The driver currently only supports voltage monitoring, not voltage control.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Simplify code and create name attribute automatically.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Simplify code, reduce code size, and attach hwmon attributes
to hwmon device.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Pull drm fixes from Dave Airlie:
"Not a huge amount happening, some MAINTAINERS updates, radeon, vmwgfx
and tegra fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/vmwgfx: avoid null pointer dereference at failure paths
drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
drm/vmwgfx: Remove some unused surface formats
drm/radeon: enable speaker allocation setup on dce3.2
drm/radeon: change audio enable logic
drm/radeon: fix audio disable on dce6+
drm/radeon: free uvd ring on unload
drm/radeon: disable pll sharing for DP on DCE4.1
drm/radeon: fix missing bo reservation
drm/radeon: print the supported atpx function mask
MAINTAINERS: update drm git tree entry
MAINTAINERS: add entry for drm radeon driver
drm/tegra: Add guard to avoid double disable/enable of RGB outputs
gpu: host1x: do not check previously handled gathers
drm/tegra: fix typo 'CONFIG_TEGRA_DRM_FBDEV'
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are 2 USB patches for 3.14-rc5, one a new device id, and the
other fixes a reported problem with threaded irqs and the USB EHCI
driver"
* tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: ehci: fix deadlock when threadirqs option is used
USB: ftdi_sio: add Cressi Leonardo PID
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree fixes from Greg KH:
"Here are a few IIO fixes, and a new device id for a staging driver for
3.14-rc5. All have been in linux-next for a while, I did a final
merge to get the IIO fixes into this tree, they were incorrectly in
the char-misc tree for a few weeks, and I forgot to tell you to pull
them from there. This makes it a single pull request for you"
* tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: r8188eu: Add new device ID
staging:iio:adc:MXS:LRADC: fix touchscreen statemachine
iio:gyro: bug on L3GD20H gyroscope support
iio: cm32181: Change cm32181 ambient light sensor driver
iio: cm36651: Fix read/write integration time function.
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into drm-fixes
more radeon fixes
* 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: enable speaker allocation setup on dce3.2
drm/radeon: change audio enable logic
drm/radeon: fix audio disable on dce6+
drm/radeon: free uvd ring on unload
drm/radeon: disable pll sharing for DP on DCE4.1
drm/radeon: fix missing bo reservation
drm/radeon: print the supported atpx function mask
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These I forgot about before, but need to get into 3.14-final.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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vmw_takedown_otable_base() and vmw_mob_unbind() check for
potential vmw_fifo_reserve() failure and print error message,
but then immediately dereference NULL pointer.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
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date.
Backing mob contents is propagated to user-space, so make sure backing
mobs are cleared when allocated. This also accidently fix rendering errors
with celestia when emulating legacy mode.
Also update driver date.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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These formats are deprecated.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Pull SCSI target fixes from Nicholas Bellinger:
"The bulk of the series are bugfixes for qla2xxx target NPIV support
that went in for v3.14-rc1. Also included are a few DIF related
fixes, a qla2xxx fix (Cc'ed to stable) from Greg W., and vhost/scsi
protocol version related fix from Venkatesh.
Also just a heads up that a series to address a number of issues with
iser-target active I/O reset/shutdown is still being tested, and will
be included in a separate -rc6 PULL request"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
vhost/scsi: Check LUN structure byte 0 is set to 1, per spec
qla2xxx: Fix kernel panic on selective retransmission request
Target/sbc: Don't use sg as iterator in sbc_verify_read
target: Add DIF sense codes in transport_generic_request_failure
target/sbc: Fix sbc_dif_copy_prot addr offset bug
tcm_qla2xxx: Fix NAA formatted name for NPIV WWPNs
tcm_qla2xxx: Perform configfs depend/undepend for base_tpg
tcm_qla2xxx: Add NPIV specific enable/disable attribute logic
qla2xxx: Check + fail when npiv_vports_inuse exists in shutdown
qla2xxx: Fix qlt_lport_register base_vha callback race
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Pull slave-dma fixes from Vinod Koul:
"This request brings you two small fixes. First one for fixing
dereference of freed descriptor and second for fixing sdma bindings
for it to work for imx25.
I was planning to send this about 10days ago but then I had to proceed
on my paternity leave and didnt get chance to send this. Now got a
bit of time from dady duties :)"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dma: sdma: Add imx25 compatible
dma: ste_dma40: don't dereference free:d descriptor
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These three commits fix a recent intel_pstate regression and two old
bugs that should be fixed in -stable too, one in the ACPI processor
driver and one in the firmare loader.
Specifics:
- One of the recent intel_pstate driver fixes introduced a rounding
error that on some systems causes the frequency to be stuck at the
lowest level forever. Fix from Dirk Brandewie.
- The firmware_class driver's PM notifier doesn't handle the
PM_RESTORE_PREPARE event during hibernation image restore and that
leads to a deadlock on umhelper_sem in __usermodehelper_disable().
Fix from Sebastian Capella.
- acpi_processor_set_throttling() abuses set_cpus_allowed_ptr() in a
nasty way which triggers the WARN_ON_ONCE() in wq_worker_waking_up()
among other things. Fix from Lan Tianyu"
* tag 'pm+acpi-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / processor: Rework processor throttling with work_on_cpu()
PM / hibernate: Fix restore hang in freeze_processes()
intel_pstate: Change busy calculation to use fixed point math.
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Fourth set of IIO fixes for the 3.14 kernel.
A single line patch fixing a regression that was introduced in 3.13 in the
reworking of the mxs touch screen and ADC drivers to be interrupt rather
than polling driven. It resulted in a stray double reporting of the release
coordinate in the touch screen driver. The bug lay in the adc side
of the driver which left the statemachine in the wrong state.
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"A few dm-cache fixes, an invalid ioctl handling fix for dm multipath,
a couple immutable biovec fixups for dm mirror, and a few dm-thin
fixes.
There will likely be additional dm-thin metadata and data resize fixes
to include in 3.14-rc6 next week.
Note to stable-minded folks: Immutable biovecs were introduced in
3.14, so the related fixups for dm mirror are not needed in stable@
kernels"
* tag 'dm-3.14-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm cache: fix truncation bug when mapping I/O to >2TB fast device
dm thin: allow metadata space larger than supported to go unused
dm mpath: fix stalls when handling invalid ioctls
dm thin: fix the error path for the thin device constructor
dm raid1: fix immutable biovec related BUG when retrying read bio
dm io: fix I/O to multiple destinations
dm thin: avoid metadata commit if a pool's thin devices haven't changed
dm cache: do not add migration to completed list before unhooking bio
dm cache: move hook_info into common portion of per_bio_data structure
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"It's a bad habit to get a higher volume of fixes often lately, but
things happen again.
All commits found here are real bug fixes, and are mostly trivial.
Most of changes in ASoC are the fixes for enum items due to the wrong
API usages, in addition to a few DAPM mutex deadlock and other fixes.
In HD-audio, only fixups for HP laptops. Although diffstat shows
much, the changes are simple: there are just so many different device
entries there"
* tag 'sound-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: sta32x: Fix wrong enum for limiter2 release rate
ASoC: da732x: Mark DC offset control registers volatile
ALSA: hda/realtek - Add more entry for enable HP mute led
ALSA: hda - Add a fixup for HP Folio 13 mute LED
ASoC: wm8958-dsp: Fix firmware block loading
ASoC: sta32x: Fix cache sync
ALSA: hda/realtek - Add more entry for enable HP mute led
ASoC: dapm: Add locking to snd_soc_dapm_xxxx_pin functions
Input - arizona-haptics: Fix double lock of dapm_mutex
ASoC: wm8400: Fix the wrong number of enum items
ASoC: isabelle: Fix the wrong number of items in enum ctls
ASoC: ad1980: Fix wrong number of items for capture source
ASoC: wm8994: Fix the wrong number of enum items
ASoC: wm8900: Fix the wrong number of enum items
ASoC: wm8770: Fix wrong number of enum items
ASoC: sta32x: Fix array access overflow
ASoC: dapm: Correct regulator bypass error messages
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC fixes from Borislav Petkov:
"Two fixes below for PCI devices disappearing when a reference count
underflow happens after a couple of insmod/rmmod cycles in succession"
* tag 'edac_fixes_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
i7300_edac: Fix device reference count
i7core_edac: Fix PCI device reference count
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When remapping a block to the cache's fast device that is larger than
2TB we must not truncate the destination sector to 32bits. The 32bit
temporary result of from_cblock() was being overflowed in
remap_to_cache() due to the logical left shift.
Use an intermediate 64bit type to store the 32bit from_cblock() result
to fix the overflow.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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* pm-cpufreq:
intel_pstate: Change busy calculation to use fixed point math.
* pm-hibernate:
PM / hibernate: Fix restore hang in freeze_processes()
* acpi-processor:
ACPI / processor: Rework processor throttling with work_on_cpu()
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Now that we disable audio while setting up the audio
hw, we should be able to set this up without hangs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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Disable audio around audio hw setup. This may avoid
hangs on certain asics.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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Properly clear the enable bit when audio disable is requested.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
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Need to free the uvd ring. Also reshuffle gart tear down to
happen after uvd tear down.
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Causes display problems. We had already disabled
sharing for non-DP displays.
Based on a patch from:
Niels Ole Salscheider <niels_ole@salscheider-online.de>
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=58121
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Otherwise we might get a crash here.
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Print the supported functions mask in addition to
the version. This is useful in debugging PX
problems since we can see what functions are available.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull Metag arch and asm-generic fixes from James Hogan:
- Add the new sched_setattr/sched_getattr syscalls to the asm-generic
syscall list, which is used by arc, arm64, c6x, hexagon, metag,
openrisc, score, tile, and unicore32.
- An IRQ affinity bug fix for metag to prevent interrupts being
vectored to offline CPUs when their affinity is changed via
/proc/irq/ (thanks tglx).
* tag 'metag-fixes-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
irq-metag*: stop set_affinity vectoring to offline cpus
asm-generic: add sched_setattr/sched_getattr syscalls
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm fix from Thierry Reding:
"Just a single trivial patch to plug a memory leak in an error path"
* tag 'pwm/for-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: lp3943: Fix potential memory leak during request
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Pull ubifs fix from Artem Bityutskiy:
"Just a single fix for the UBI module unload path which makes sure we
do not touch freed memory"
* tag 'upstream-3.14-rc5' of git://git.infradead.org/linux-ubifs:
UBI: fix some use after free bugs
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It was always intended that a user could provide a thin metadata device
that is larger than the max supported by the on-disk format. The extra
space would just go unused.
Unfortunately that never worked. If the user attempted to use a larger
metadata device on creation they would get an error like the following:
device-mapper: space map common: space map too large
device-mapper: transaction manager: couldn't create metadata space map
device-mapper: thin metadata: tm_create_with_sm failed
device-mapper: table: 252:17: thin-pool: Error creating metadata object
device-mapper: ioctl: error adding target to table
Fix this by allowing the initial metadata space map creation to cap its
size at the max number of blocks supported (DM_SM_METADATA_MAX_BLOCKS).
get_metadata_dev_size() must also impose DM_SM_METADATA_MAX_BLOCKS (via
THIN_METADATA_MAX_SECTORS), otherwise extending metadata would cap at
THIN_METADATA_MAX_SECTORS_WARNING (which is larger than supported).
Also, the calculation for THIN_METADATA_MAX_SECTORS didn't account for
the sizeof the disk_bitmap_header. So the supported maximum metadata
size is a bit smaller (reduced from 33423360 to 33292800 sectors).
Lastly, remove the "excess space will not be used" warning message from
get_metadata_dev_size(); it resulted in printing the warning multiple
times. Factor out warn_if_metadata_device_too_big(), call it from
pool_ctr() and maybe_resize_metadata_dev().
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
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ehci_irq() and ehci_hrtimer_func() can deadlock on ehci->lock when
threadirqs option is used. To prevent the deadlock use
spin_lock_irqsave() in ehci_irq().
This change can be reverted when hrtimer callbacks become threaded.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Hello,
the following patch adds an entry for the PID of a Cressi Leonardo
diving computer interface to kernel 3.13.0.
It is detected as FT232RL.
Works with subsurface.
Signed-off-by: Joerg Dorchain <joerg@dorchain.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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acpi_processor_set_throttling() uses set_cpus_allowed_ptr() to make
sure that the (struct acpi_processor)->acpi_processor_set_throttling()
callback will run on the right CPU. However, the function may be
called from a worker thread already bound to a different CPU in which
case that won't work.
Make acpi_processor_set_throttling() use work_on_cpu() as appropriate
instead of abusing set_cpus_allowed_ptr().
Reported-and-tested-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Cc: All applicable <stable@vger.kernel.org>
[rjw: Changelog]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fix a memory leak in the lp3943_pwm_request_map() error handling path.
Make sure already allocated pwm map memory is freed correctly.
Detected by Coverity: CID 1162829.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Acked-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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An invalid ioctl will never be valid, irrespective of whether multipath
has active paths or not. So for invalid ioctls we do not have to wait
for multipath to activate any paths, but can rather return an error
code immediately. This fix resolves numerous instances of:
udevd[]: worker [] unexpectedly returned with status 0x0100
that have been seen during testing.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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During restore, pm_notifier chain are called with
PM_RESTORE_PREPARE. The firmware_class driver handler
fw_pm_notify does not have a handler for this. As a result,
it keeps a reader on the kmod.c umhelper_sem. During
freeze_processes, the call to __usermodehelper_disable tries to
take a write lock on this semaphore and hangs waiting.
Signed-off-by: Sebastian Capella <sebastian.capella@linaro.org>
Acked-by: Ming Lei <ming.lei@canonical.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit fcb6a15c2e (intel_pstate: Take core C0 time into account for
core busy calculation) introduced a regression on some processor SKUs
supported by intel_pstate. This was due to the truncation caused by
using integer math to calculate core busy and C0 percentages.
On a i7-4770K processor operating at 800Mhz going to 100% utilization
the percent busy of the CPU using integer math is 22%, but it actually
is 22.85%. This value scaled to the current frequency returned 97
which the PID interpreted as no error and did not adjust the P state.
Tested on i7-4770K, i7-2600, i5-3230M.
Fixes: fcb6a15c2e7e (intel_pstate: Take core C0 time into account for core busy calculation)
References: https://lkml.org/lkml/2014/2/19/626
References: https://bugzilla.kernel.org/show_bug.cgi?id=70941
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge misc fixes from Andrew Morton.
* emailed patches from Andrew Morton akpm@linux-foundation.org>:
MAINTAINERS: change mailing list address for Altera UART drivers
Makefile: fix build with make 3.80 again
MAINTAINERS: update L: misuses
Makefile: fix extra parenthesis typo when CC_STACKPROTECTOR_REGULAR is enabled
ipc,mqueue: remove limits for the amount of system-wide queues
memcg: change oom_info_lock to mutex
mm, thp: fix infinite loop on memcg OOM
drivers/fmc/fmc-write-eeprom.c: fix decimal permissions
drivers/iommu/omap-iommu-debug.c: fix decimal permissions
mm, hwpoison: release page on PageHWPoison() in __do_fault()
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