| Commit message (Collapse) | Author | Age |
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull fixes for cpumask and modules from Rusty Russell:
"** NOW WITH TESTING! **
Two fixes which got lost in my recent distraction. One is a weird
cpumask function which needed to be rewritten, the other is a module
bug which is cc:stable"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
cpumask_set_cpu_local_first => cpumask_local_spread, lament
module: Call module notifier on failure after complete_formation()
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da91309e0a7e (cpumask: Utility function to set n'th cpu...) created a
genuinely weird function. I never saw it before, it went through DaveM.
(He only does this to make us other maintainers feel better about our own
mistakes.)
cpumask_set_cpu_local_first's purpose is say "I need to spread things
across N online cpus, choose the ones on this numa node first"; you call
it in a loop.
It can fail. One of the two callers ignores this, the other aborts and
fails the device open.
It can fail in two ways: allocating the off-stack cpumask, or through a
convoluted codepath which AFAICT can only occur if cpu_online_mask
changes. Which shouldn't happen, because if cpu_online_mask can change
while you call this, it could return a now-offline cpu anyway.
It contains a nonsensical test "!cpumask_of_node(numa_node)". This was
drawn to my attention by Geert, who said this causes a warning on Sparc.
It sets a single bit in a cpumask instead of returning a cpu number,
because that's what the callers want.
It could be made more efficient by passing the previous cpu rather than
an index, but that would be more invasive to the callers.
Fixes: da91309e0a7e8966d916a74cce42ed170fde06bf
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (then rebased)
Tested-by: Amir Vadai <amirv@mellanox.com>
Acked-by: Amir Vadai <amirv@mellanox.com>
Acked-by: David S. Miller <davem@davemloft.net>
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The module notifier call chain for MODULE_STATE_COMING was moved up before
the parsing of args, into the complete_formation() call. But if the module failed
to load after that, the notifier call chain for MODULE_STATE_GOING was
never called and that prevented the users of those call chains from
cleaning up anything that was allocated.
Link: http://lkml.kernel.org/r/554C52B9.9060700@gmail.com
Reported-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Fixes: 4982223e51e8 "module: set nx before marking module MODULE_STATE_COMING"
Cc: stable@vger.kernel.org # 3.16+
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Pull drm fixes from Dave Airlie:
"This is made up 4 groups of fixes detailed below.
vgem:
Due to some misgivings about possible bad use cases this allow,
backout a chunk of the interface to stop those use cases for now.
radeon:
Fix for an oops regression in the audio code, and a partial revert
for a fix that was cauing problems.
nouveau:
regression fix for Fermi, and display-less Maxwell boot fixes.
drm core:
a fix for i915 cursor vblank waiting in the atomic helpers"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/gr/gm204: remove a stray printk
drm/nouveau/devinit/gm100-: force devinit table execution on boards without PDISP
drm/nouveau/devinit/gf100: make the force-post condition more obvious
drm/nouveau/gr/gf100-: fix wrong constant definition
drm/radeon: partially revert "fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling"
drm/radeon/audio: make sure connector is valid in hotplug case
Revert "drm/radeon: only mark audio as connected if the monitor supports it (v3)"
drm/radeon: don't share plls if monitors differ in audio support
drm/vgem: drop DRIVER_PRIME (v2)
drm/plane-helper: Adapt cursor hack to transitional helpers
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
Regression fix for Fermi acceleration, and fixes important to bringing
up display-less Maxwell boards.
* 'linux-4.1' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/gr/gm204: remove a stray printk
drm/nouveau/devinit/gm100-: force devinit table execution on boards without PDISP
drm/nouveau/devinit/gf100: make the force-post condition more obvious
drm/nouveau/gr/gf100-: fix wrong constant definition
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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PDISP
Should fix fdo#89558
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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And also more generic, so it can be used on newer chipsets.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Commit 3740c82590d8 ("drm/nouveau/gr/gf100-: add symbolic names for
classes") introduced a wrong macro definition causing acceleration setup
to fail. Fix it.
Signed-off-by: Lars Seipel <ls@slrz.net>
Fixes: 3740c82590d8 ("drm/nouveau/gr/gf100-: add symbolic names for classes")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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into drm-fixes
one more regression fix, partial revert.
* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: partially revert "fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling"
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We have that bug for years and some users report side effects when fixing it on older hardware.
So revert it for VM_CONTEXT0_PAGE_TABLE_END_ADDR, but keep it for VM 1-15.
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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git://anongit.freedesktop.org/drm-intel into drm-fixes
here's a drm regression fix for drivers only partially
converted to atomic.
* tag 'topic/drm-fixes-2015-05-27' of git://anongit.freedesktop.org/drm-intel:
drm/plane-helper: Adapt cursor hack to transitional helpers
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In
commit f02ad907cd9e7fe3a6405d2d005840912f1ed258
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Jan 22 16:36:23 2015 +0100
drm/atomic-helpers: Recover full cursor plane behaviour
we've added a hack to atomic helpers to never to vblank waits for
cursor updates through the legacy apis since that's what X expects.
Unfortunately we've (again) forgotten to adjust the transitional
helpers. Do this now.
This fixes regressions for drivers only partially converted over to
atomic (like i915).
Reported-by: Pekka Paalanen <ppaalanen@gmail.com>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-and-tested-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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into drm-fixes
one revert, and two regression fixes for audio/hdmi
* 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/audio: make sure connector is valid in hotplug case
Revert "drm/radeon: only mark audio as connected if the monitor supports it (v3)"
drm/radeon: don't share plls if monitors differ in audio support
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Avoids a crash when a monitor is hotplugged and the encoder
and connector are not linked yet.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=90681
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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(v3)"
This breaks too many things.
bugs:
https://bugzilla.kernel.org/show_bug.cgi?id=99041
https://bugs.freedesktop.org/show_bug.cgi?id=90681
This reverts commit 0f55db36d49d45b80eff0c0a2a498766016f458b.
Cc: stable@vger.kernel.org
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Enabling audio may enable different pll dividers. Don't share
plls if the monitors differ in audio support.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=98751
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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For actual sharing of buffers with other drivers (ie. actual hardware)
we'll need to pimp things out a bit better to deal w/ caching, multiple
memory domains, etc. See thread:
http://lists.freedesktop.org/archives/dri-devel/2015-May/083160.html
But for the llvmpipe use-case this isn't a problem. Nor do we really
need prime/dri3 (dri2 is sufficient). So until the other issues are
sorted lets remove DRIVER_PRIME.
v2: also drop the dead code
[airlied:
Okay I'm convinced this API could have a lot of use cases
that are really really bad, yes the upload use case is valid
however that isn't the only use case enabled, and if we allow
all the other use cases, people will start to (ab)use them,
and then they'll be ABI and my life will get worse, so disable
PRIME for now]
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"No big surprise here, just a bunch of small fixes for HD-audio and
USB-audio:
- partial revert of widget power-saving for IDT codecs
- revert mute-LED enum ctl for Thinkpads due to confusion
- a quirk for a new Radeon HDMI controller
- Realtek codec name fix for Dell
- a workaround for headphone mic boost on some laptops
- stream_pm ops setup (and its fix for regression)
- another quirk for MS LifeCam USB-audio"
* tag 'sound-4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix lost sound due to stream_pm ops cleanup
ALSA: hda - Disable Headphone Mic boost for ALC662
ALSA: hda - Disable power_save_node for IDT92HD71bxx
ALSA: hda - Fix noise on AMD radeon 290x controller
ALSA: hda - Set stream_pm ops automatically by generic parser
ALSA: hda/realtek - Add ALC256 alias name for Dell
Revert "ALSA: hda - Add mute-LED mode control to Thinkpad"
ALSA: usb-audio: Add quirk for MS LifeCam HD-3000
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The commit [49fb18972581: ALSA: hda - Set stream_pm ops automatically
by generic parser] resulted in regressions on some Realtek and VIA
codecs because these drivers set patch_ops after calling the generic
parser, thus stream_pm got cleared to NULL again. I haven't noticed
since I tested with IDT codec.
Restore (partial revert) the stream_pm ops for them to fix the
regression.
Fixes: 49fb18972581 ('ALSA: hda - Set stream_pm ops automatically by generic parser')
Reported-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When headphone mic boost is above zero, some 10 - 20 second delay
might occur before the headphone mic is operational.
Therefore disable the headphone mic boost control (recording gain is
sufficient even without it).
(Note: this patch is not about the headset mic, it's about the less
common mic-in only mode.)
BugLink: https://bugs.launchpad.net/bugs/1454235
Suggested-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We've got a regression report that 4.1-rc causes noises on a Dell
laptop. Similar like Realtek codec, this seems also triggered by the
recent power_save_node feature. As this kind of issue is quite hard
to debug without actual hardware, disable the power_save_node flag for
this codec as a workaround.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=98971
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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A new AMD controller [1002:aac8] seems to need the quirk for other AMD
NS HDMI stuff, otherwise it gives noisy sounds.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=99021
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This allows user to test power_save_node feature via sysfs or patch
firmware even on the codecs that don't specify it. It'll also save a
few lines.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add ALC3246 for Dell platform.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This reverts commit 7290006d8c0900c56d8c58428134f02c35109d17.
Through the regression report, it was revealed that the
tpacpi_led_set() call to thinkpad_acpi helper doesn't only toggle the
mute LED but actually mutes the sound. This is contradiction to the
expectation, and rather confuses user.
According to Henrique, it's not trivial to judge which TP model
behaves "LED-only" and which model does whatever more intrusive, as
Lenovo's implementations vary model by model. So, from the safety
reason, we should revert the patch for now.
Reported-by: Martin Steigerwald <martin@lichtvoll.de>
Cc: Pali Rohár <pali.rohar@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Microsoft LifeCam HD-3000 (045e:0779) needs a similar quirk for
suppressing the unsupported sample rate inquiry.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=98481
Cc: <stable@vger.kernel.org>
Signed-off-by: Vittorio Gambaletta <linuxbugs@vittgam.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Pull m,ore md bugfixes gfrom Neil Brown:
"Assorted fixes for new RAID5 stripe-batching functionality.
Unfortunately this functionality was merged a little prematurely. The
necessary testing and code review is now complete (or as complete as
it can be) and to code passes a variety of tests and looks quite
sensible.
Also a fix for some recent locking changes - a race was introduced
which causes a reshape request to sometimes fail. No data safety
issues"
* tag 'md/4.1-rc5-fixes' of git://neil.brown.name/md:
md: fix race when unfreezing sync_action
md/raid5: break stripe-batches when the array has failed.
md/raid5: call break_stripe_batch_list from handle_stripe_clean_event
md/raid5: be more selective about distributing flags across batch.
md/raid5: add handle_flags arg to break_stripe_batch_list.
md/raid5: duplicate some more handle_stripe_clean_event code in break_stripe_batch_list
md/raid5: remove condition test from check_break_stripe_batch_list.
md/raid5: Ensure a batch member is not handled prematurely.
md/raid5: close race between STRIPE_BIT_DELAY and batching.
md/raid5: ensure whole batch is delayed for all required bitmap updates.
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A recent change removed the need for locking around writing
to "sync_action" (and various other places), but introduced a
subtle race.
When e.g. setting 'reshape' on a 'frozen' array, the 'frozen'
flag is cleared before 'reshape' is set, so the md thread can
get in and start trying recovery - which isn't wanted.
So instead of clearing MD_RECOVERY_FROZEN for any command
except 'frozen', only clear it when each specific command
is parsed. This allows the handling of 'reshape' to clear
the bit while a lock is held.
Also remove some places where we set MD_RECOVERY_NEEDED,
as it is always set on non-error exit of the function.
Signed-off-by: NeilBrown <neilb@suse.de>
Fixes: 6791875e2e53 ("md: make reconfig_mutex optional for writes to md sysfs files.")
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Once the array has too much failure, we need to break
stripe-batches up so they can all be dealt with.
Signed-off-by: NeilBrown <neilb@suse.de>
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Now that the code in break_stripe_batch_list() is nearly identical
to the end of handle_stripe_clean_event, replace the later
with a function call.
The only remaining difference of any interest is the masking that is
applieds to dev[i].flags copied from head_sh.
R5_WriteError certainly isn't wanted as it is set per-stripe, not
per-patch. R5_Overlap isn't wanted as it is explicitly handled.
Signed-off-by: NeilBrown <neilb@suse.de>
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When a batch of stripes is broken up, we keep some of the flags
that were per-stripe, and copy other flags from the head to all
others.
This only happens while a stripe is being handled, so many of the
flags are irrelevant.
The "SYNC_FLAGS" (which I've renamed to make it clear there are
several) and STRIPE_DEGRADED are set per-stripe and so need to be
preserved. STRIPE_INSYNC is the only flag that is set on the head
that needs to be propagated to all others.
For safety, add a WARN_ON if others are set, except:
STRIPE_HANDLE - this is safe and per-stripe and we are going to set
in several cases anyway
STRIPE_INSYNC
STRIPE_IO_STARTED - this is just a hint and doesn't hurt.
STRIPE_ON_PLUG_LIST
STRIPE_ON_RELEASE_LIST - It is a point pointless for a batched
stripe to be on one of these lists, but it can happen
as can be safely ignored.
Signed-off-by: NeilBrown <neilb@suse.de>
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When we break a stripe_batch_list we sometimes want to set
STRIPE_HANDLE on the individual stripes, and sometimes not.
So pass a 'handle_flags' arg. If it is zero, always set STRIPE_HANDLE
(on non-head stripes). If not zero, only set it if any of the given
flags are present.
Signed-off-by: NeilBrown <neilb@suse.de>
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break_stripe_batch_list
break_stripe_batch list didn't clear head_sh->batch_head.
This was probably a bug.
Also clear all R5_Overlap flags and if any were cleared, wake up
'wait_for_overlap'.
This isn't always necessary but the worst effect is a little
extra checking for code that is waiting on wait_for_overlap.
Also, don't use wake_up_nr() because that does the wrong thing
if 'nr' is zero, and it number of flags cleared doesn't
strongly correlate with the number of threads to wake.
Signed-off-by: NeilBrown <neilb@suse.de>
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handle_stripe_clean_event() contains a chunk of code very
similar to check_break_stripe_batch_list().
If we make the latter more like the former, we can end up
with just one copy of this code.
This first step removed the condition (and the 'check_') part
of the name. This has the added advantage of making it clear
what check is being performed at the point where the function is
called.
Signed-off-by: NeilBrown <neilb@suse.de>
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If a stripe is a member of a batch, but not the head, it must
not be handled separately from the rest of the batch.
'clear_batch_ready()' handles this requirement to some
extent but not completely. If a member is passed to handle_stripe()
a second time it returns '0' indicating the stripe can be handled,
which is wrong.
So add an extra test.
Signed-off-by: NeilBrown <neilb@suse.de>
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When we add a write to a stripe we need to make sure the bitmap
bit is set. While doing that the stripe is not locked so it could
be added to a batch after which further changes to STRIPE_BIT_DELAY
and ->bm_seq are ineffective.
So we need to hold off adding to a stripe until bitmap_startwrite has
completed at least once, and we need to avoid further changes to
STRIPE_BIT_DELAY once the stripe has been added to a batch.
If a bitmap_startwrite() completes after the stripe was added to a
batch, it will not have set the bit, only incremented a counter, so no
extra delay of the stripe is needed.
Reported-by: Shaohua Li <shli@kernel.org>
Signed-off-by: NeilBrown <neilb@suse.de>
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When we add a stripe to a batch, we need to be sure that
head stripe will wait for the bitmap update required for the new
stripe.
Signed-off-by: NeilBrown <neilb@suse.de>
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Pull Xtensa fix from Chris Zankel:
"This fixes allmodconfig, which fails to build due to missing
dma_alloc_attrs() and dma_free_attrs() functions"
* tag 'xtensa-20150526' of git://github.com/czankel/xtensa-linux:
xtensa: Provide dummy dma_alloc_attrs() and dma_free_attrs()
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xtensa:allmodconfig fails to build with the following errors.
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:
In function ‘gk20a_instobj_dtor_dma’:
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:154:2: error:
implicit declaration of function ‘dma_free_attrs’
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:
In function ‘gk20a_instobj_ctor_dma’:
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:218:2: error:
implicit declaration of function ‘dma_alloc_attrs’
Xtensa does not provide those functions at this time.
Provide dummy implementations to avoid build errors.
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Chris Zankel <chris@zankel.net>
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver fix from Darren Hart:
"thinkpad_acpi: Revert unintentional device attribute renaming"
* tag 'platform-drivers-x86-v4.1-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
thinkpad_acpi: Revert unintentional device attribute renaming
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The conversion to DEVICE_ATTR_* macros failed to fixup a few cases where
the old attribute names didn't match the show/store function names.
Instead of renaming the functions, the attributes were renamed. This
caused an unintentional API change. The hwmon required 'name' attribute
were among the renamed attribute, causing libsensors to fail to detect
the hwmon device at all.
Fix by using the DEVICE_ATTR macro for these attributes, allowing the
show/store functions to keep their system specific prefixes.
Fixes: b4dd04ac6ef8 ("thinkpad_acpi: use DEVICE_ATTR_* macros")
Cc: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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Pull cifs fixes from Steve French:
"Back from SambaXP - now have 8 small CIFS bug fixes to merge"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: Fix race condition on RFC1002_NEGATIVE_SESSION_RESPONSE
Fix to convert SURROGATE PAIR
cifs: potential missing check for posix_lock_file_wait
Fix to check Unique id and FileType when client refer file directly.
CIFS: remove an unneeded NULL check
[cifs] fix null pointer check
Fix that several functions handle incorrect value of mapchars
cifs: Don't replace dentries for dfs mounts
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This patch fixes a race condition that occurs when connecting
to a NT 3.51 host without specifying a NetBIOS name.
In that case a RFC1002_NEGATIVE_SESSION_RESPONSE is received
and the SMB negotiation is reattempted, but under some conditions
it leads SendReceive() to hang forever while waiting for srv_mutex.
This, in turn, sets the calling process to an uninterruptible sleep
state and makes it unkillable.
The solution is to unlock the srv_mutex acquired in the demux
thread *before* going to sleep (after the reconnect error) and
before reattempting the connection.
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Garbled characters happen by using surrogate pair for filename.
(replace each 1 character to ??)
[Steps to Reproduce for bug]
client# touch $(echo -e '\xf0\x9d\x9f\xa3')
client# touch $(echo -e '\xf0\x9d\x9f\xa4')
client# ls -li
You see same inode number, same filename(=?? and ??) .
Fix the bug about these functions do not consider about surrogate pair (and IVS).
cifs_utf16_bytes()
cifs_mapchar()
cifs_from_utf16()
cifsConvertToUTF16()
Reported-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Signed-off-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Signed-off-by: Steve French <smfrench@gmail.com>
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posix_lock_file_wait may fail under certain circumstances, and its result is
usually checked/returned. But given the complexity of cifs, I'm not sure if
the result is intentially left unchecked and always expected to succeed.
Signed-off-by: Chengyu Song <csong84@gatech.edu>
Acked-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Steve French <smfrench@gmail.com>
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When you refer file directly on cifs client,
(e.g. ls -li <filename>, cd <dir>, stat <filename>)
the function return old inode number and filetype from old inode cache,
though server has different inode number or filetype.
When server is Windows, cifs client has same problem.
When Server is Windows
, This patch fixes bug in different filetype,
but does not fix bug in different inode number.
Because QUERY_PATH_INFO response by Windows does not include inode number(Index Number) .
BUG INFO
https://bugzilla.kernel.org/show_bug.cgi?id=90021
https://bugzilla.kernel.org/show_bug.cgi?id=90031
Reported-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Signed-off-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>
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Smatch complains because we dereference "ses->server" without checking
some lines earlier inside the call to get_next_mid(ses->server).
fs/cifs/cifssmb.c:4921 CIFSGetDFSRefer()
warn: variable dereferenced before check 'ses->server' (see line 4899)
There is only one caller for this function get_dfs_path() and it always
passes a non-null "ses->server" pointer so this NULL check can be
removed.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <smfrench@gmail.com>
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Dan Carpenter pointed out an inconsistent null pointer check
in smb2_hdr_assemble that was pointed out by static checker.
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Sachin Prabhu <sprabhu@redhat.com>
CC: Dan Carpenter <dan.carpenter@oracle.com>w
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Cifs client has problem with reserved chars filename.
[BUG1] : several functions handle incorrect value of mapchars
- cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+ cifs_remap(cifs_sb));
[BUG2] : forget to convert reserved chars when creating SymbolicLink.
- CIFSUnixCreateSymLink() calls cifs_strtoUTF16
+ CIFSUnixCreateSymLink() calls cifsConvertToUTF16() with remap
[BUG3] : forget to convert reserved chars when getting SymbolicLink.
- CIFSSMBUnixQuerySymLink() calls cifs_strtoUTF16
+ CIFSSMBUnixQuerySymLink() calls cifsConvertToUTF16() with remap
[BUG4] : /proc/mounts don't show "mapposix" when using mapposix mount option
+ cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SFM_CHR)
+ seq_puts(s, ",mapposix");
Reported-by: t.wede@kw-reneg.de
Reported-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Signed-off-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Signed-off-by: Carl Schaefer <schaefer@trilug.org>
Signed-off-by: Steve French <smfrench@gmail.com>
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