Mark Brown [Wed, 8 Oct 2014 15:44:43 +0000 (16:44 +0100)]
Merge tag 'asoc-v3.18' into asoc-linus
ASoC: Updates for v3.18
- More componentisation work from Lars-Peter, this time mainly
cleaning up the suspend and bias level transition callbacks.
- Real system support for the Intel drivers and a bunch of fixes and
enhancements for the associated CODEC drivers, this is going to need
a lot quirks over time due to the lack of any firmware description of
the boards.
- Jack detect support for simple card from Dylan Reid.
- A bunch of small fixes and enhancements for the Freescale drivers.
- New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32, Everest
Semiconductor ES8328 and Freescale cards using the ASRC in newer i.MX
processors.
# gpg: Signature made Mon 06 Oct 2014 12:49:37 BST using RSA key ID 5D5487D0
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
Mark Brown [Wed, 8 Oct 2014 15:44:36 +0000 (16:44 +0100)]
Merge tag 'asoc-v3.17-rc4' into asoc-linus
ASoC: Fixes for v3.17
Another round of again fairly unexciting fixes - several driver fixes,
an e-mail address change and a fix for error handling with DPCM.
# gpg: Signature made Wed 10 Sep 2014 12:26:54 BST using RSA key ID 5D5487D0
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
Takashi Iwai [Wed, 8 Oct 2014 10:08:38 +0000 (12:08 +0200)]
ALSA: Allow pass NULL dev for snd_pci_quirk_lookup()
Add a NULL check in snd_pci_quirk_lookup() so that NULL can be passed
as a pci_dev pointer. This fixes the possible NULL dereferences in
HD-audio drivers.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Takashi Iwai [Tue, 7 Oct 2014 16:19:53 +0000 (18:19 +0200)]
ASoC: imx-es8328: Fix of_node_put() call with uninitialized object
The of_node_put() calls in imx_es8328_probe() may take uninitialized
pointers when reached though the early error path. This patch adds
the proper NULL initialization for fixing these.
Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Mark Brown <broonie@kernel.org>
Initialize the GPIO numbers with a negative number (-ENOENT) to fix this.
Fixes: 3fe240326cc395c6 ("ASoC: simple-card: Add mic and hp detect gpios.") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Mark Brown <broonie@kernel.org>
Coverity spotted an issue with strncpy() in pm860x_codec_probe()
which does not take the \0 termination byte into account. Fix this
by making the buffers one byte larger so the can really accommodate
MAX_NAME_LEN bytes long strings.
Signed-off-by: Daniel Mack <daniel@zonque.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Daniel Mack [Tue, 7 Oct 2014 11:41:23 +0000 (13:41 +0200)]
ASoC: core: fix use after free in snd_soc_remove_platform()
Coverity spotted an use-after-free condition in snd_soc_remove_platform().
Fix this by moving snd_soc_component_cleanup() after the debug print
statement which uses the component's string.
Signed-off-by: Daniel Mack <daniel@zonque.org> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
Daniel Mack [Tue, 7 Oct 2014 11:41:24 +0000 (13:41 +0200)]
ASoC: soc-dapm: fix use after free
Coverity spotted the following possible use-after-free condition in
dapm_create_or_share_mixmux_kcontrol():
If kcontrol is NULL, and (wname_in_long_name && kcname_in_long_name)
validates to true, 'name' will be set to an allocated string, and be
freed a few lines later via the 'long_name' alias. 'name', however,
is used by dev_err() in case snd_ctl_add() fails.
Fix this by adding a jump label that frees 'long_name' at the end of
the function.
Signed-off-by: Daniel Mack <daniel@zonque.org> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
ALSA: hda - Make the inv dmic handling for Realtek use generic parser
From what I can see, the generic parser is now good enough to handle
Realtek's inverted dmic handling, so let's remove the special handling
and use the generic parser instead.
Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
ALSA: hda - Add Inverted Internal mic for Samsung Ativ book 9 (NP900X3G)
In this case, it looks like the right channel records noise rather
than the inverted signal, but the simplest way is to just call it
"Inverted Internal Mic", which will cause it to be muted by default.
Takashi Iwai [Mon, 6 Oct 2014 12:01:11 +0000 (14:01 +0200)]
Merge tag 'asoc-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.18
- More componentisation work from Lars-Peter, this time mainly
cleaning up the suspend and bias level transition callbacks.
- Real system support for the Intel drivers and a bunch of fixes and
enhancements for the associated CODEC drivers, this is going to need
a lot quirks over time due to the lack of any firmware description of
the boards.
- Jack detect support for simple card from Dylan Reid.
- A bunch of small fixes and enhancements for the Freescale drivers.
- New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32, Everest
Semiconductor ES8328 and Freescale cards using the ASRC in newer i.MX
processors.
Mark Brown [Mon, 6 Oct 2014 11:48:44 +0000 (12:48 +0100)]
Merge tag 'asoc-v3.17-rc4' into asoc-linus
ASoC: Fixes for v3.17
Another round of again fairly unexciting fixes - several driver fixes,
an e-mail address change and a fix for error handling with DPCM.
# gpg: Signature made Wed 10 Sep 2014 12:26:54 BST using RSA key ID 5D5487D0
# gpg: Good signature from "Mark Brown <broonie@sirena.org.uk>"
# gpg: aka "Mark Brown <broonie@debian.org>"
# gpg: aka "Mark Brown <broonie@kernel.org>"
# gpg: aka "Mark Brown <broonie@tardis.ed.ac.uk>"
# gpg: aka "Mark Brown <broonie@linaro.org>"
# gpg: aka "Mark Brown <Mark.Brown@linaro.org>"
Linus Torvalds [Sun, 5 Oct 2014 17:16:11 +0000 (10:16 -0700)]
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of two small fixes, both to code which went in during
the merge window: cxgb4i has a scheduling in atomic bug in its new
ipv6 code and uas fails to work properly with the new scsi-mq code"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] uas: disable use of blk-mq I/O path
[SCSI] cxgb4i: avoid holding mutex in interrupt context
Linus Torvalds [Sat, 4 Oct 2014 16:32:47 +0000 (09:32 -0700)]
Merge tag 'tiny/kconfig-for-3.17' of https://git.kernel.org/pub/scm/linux/kernel/git/josh/linux
Pull kconfig fixes for tiny setups from Josh Triplett:
"Two Kconfig bugfixes for 3.17 related to tinification. These fixes
make the Kconfig "General Setup" menu much more usable"
* tag 'tiny/kconfig-for-3.17' of https://git.kernel.org/pub/scm/linux/kernel/git/josh/linux:
init/Kconfig: Fix HAVE_FUTEX_CMPXCHG to not break up the EXPERT menu
init/Kconfig: Hide printk log config if CONFIG_PRINTK=n
Josh Triplett [Fri, 3 Oct 2014 23:19:24 +0000 (16:19 -0700)]
init/Kconfig: Fix HAVE_FUTEX_CMPXCHG to not break up the EXPERT menu
commit 03b8c7b623c80af264c4c8d6111e5c6289933666 ("futex: Allow
architectures to skip futex_atomic_cmpxchg_inatomic() test") added the
HAVE_FUTEX_CMPXCHG symbol right below FUTEX. This placed it right in
the middle of the options for the EXPERT menu. However,
HAVE_FUTEX_CMPXCHG does not depend on EXPERT or FUTEX, so Kconfig stops
placing items in the EXPERT menu, and displays the remaining several
EXPERT items (starting with EPOLL) directly in the General Setup menu.
Since both users of HAVE_FUTEX_CMPXCHG only select it "if FUTEX", make
HAVE_FUTEX_CMPXCHG itself depend on FUTEX. With this change, the
subsequent items display as part of the EXPERT menu again; the EMBEDDED
menu now appears as the next top-level item in the General Setup menu,
which makes General Setup much shorter and more usable.
Linus Torvalds [Fri, 3 Oct 2014 20:31:57 +0000 (13:31 -0700)]
Merge tag 'trace-fixes-v3.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull trace ring buffer iterator fix from Steven Rostedt:
"While testing some new changes for 3.18, I kept hitting a bug every so
often in the ring buffer. At first I thought it had to do with some
of the changes I was working on, but then testing something else I
realized that the bug was in 3.17 itself. I ran several bisects as
the bug was not very reproducible, and finally came up with the commit
that I could reproduce easily within a few minutes, and without the
change I could run the tests over an hour without issue. The change
fit the bug and I figured out a fix. That bad commit was:
Commit 651e22f2701b "ring-buffer: Always reset iterator to reader page"
This commit fixed a bug, but in the process created another one. It
used the wrong value as the cached value that is used to see if things
changed while an iterator was in use. This made it look like a change
always happened, and could cause the iterator to go into an infinite
loop"
* tag 'trace-fixes-v3.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ring-buffer: Fix infinite spin in reading buffer
Linus Torvalds [Fri, 3 Oct 2014 20:09:57 +0000 (13:09 -0700)]
Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs/smb3 fixes from Steve French:
"Fix for CIFS/SMB3 oops on reconnect during readpages (3.17 regression)
and for incorrectly closing file handle in symlink error cases"
* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: Fix readpages retrying on reconnects
Fix problem recognizing symlinks
Linus Torvalds [Fri, 3 Oct 2014 15:31:14 +0000 (08:31 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Nothing too major or scary.
One i915 regression fix, nouveau has a tmds regression fix, along with
a regression fix for the runtime pm code for optimus laptops not
restoring the display hw correctly"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau: make sure display hardware is reinitialised on runtime resume
drm/nouveau: punt fbcon resume out to a workqueue
drm/nouveau: fix regression on original nv50 board
drm/nv50/disp: fix dpms regression on certain boards
drm/i915: Flush the PTEs after updating them before suspend
Current caching implementation during regcache_sync() call bypasses
all register writes of values that are already known as default
(regmap reg_defaults). Same time in TLV320AIC3x codecs register 5
(AIC3X_PLL_PROGC_REG) write should be immediately followed by register
6 write (AIC3X_PLL_PROGD_REG) even if it was not changed. Otherwise
both registers will not be written.
This brings to issue that appears particulary in case of 44.1kHz
playback with 19.2MHz master clock. In this case AIC3X_PLL_PROGC_REG
is 0x6e while AIC3X_PLL_PROGD_REG is 0x0 (same as register
default). Thus AIC3X_PLL_PROGC_REG also remains not written and we get
wrong playback speed.
In this patch snd_soc_read() is used to get cached pll values and
snd_soc_write() (unlike regcache_sync() this function doesn't bypasses
hardware default values) to write them to registers.
Signed-off-by: Dmitry Lavnikevich <d.lavnikevich@sam-solutions.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
Jarkko Nikula [Fri, 3 Oct 2014 12:32:40 +0000 (15:32 +0300)]
ASoC: dapm: Fix NULL pointer dereference when registering card with widgets
Commit 0bd2ac3dae74 ("ASoC: Remove CODEC pointer from snd_soc_dapm_context")
introduced regression to snd_soc_dapm_new_controls() when registering a card
with card->dapm_widgets set. Call chain is:
Null pointer dereference occurs since card->dapm context doesn't have
associated component. Fix this by setting widget codec pointer
conditionally.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@kernel.org>
Dylan Reid [Thu, 2 Oct 2014 16:42:44 +0000 (09:42 -0700)]
ASoC: tegra: add mic detect gpio to tegra_max98090
Add an optional mic detect gpio property. If specified in device tree
there will be a mic jack created for the given gpio. This will be
used by the Tegra-based Chromebooks.
Signed-off-by: Dylan Reid <dgreid@chromium.org> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Fabio Estevam [Thu, 2 Oct 2014 19:16:50 +0000 (16:16 -0300)]
ASoC: sgtl5000: Improve the error message on slave mode setting
For sgtl5000 to operate in slave mode it can only work in "Synchronous
SYS_MCLK input" mode.
In this mode only the following rates can be supported: 256*Fs, 384*Fs, 512*Fs.
Improve the error message to give a better indication as to why the clocking
failed for slave mode:
[ 12.515399] sgtl5000 1-000a: PLL not supported in slave mode
[ 12.524124] sgtl5000 1-000a: 233 ratio is not supported. SYS_MCLK needs to be 256, 384 or 512 * fs
[ 12.535938] sgtl5000 1-000a: ASoC: can't set sgtl5000 hw params: -22
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Mark Brown <broonie@kernel.org>
The uas driver uses the block layer tag for USB3 stream IDs. With
blk-mq we can get larger tag numbers that the queue depth, which breaks
this assumption. A fix is under way for 3.18, but sits on top of
large changes so can't easily be backported. Set the disable_blk_mq
path so that a uas device can't easily crash the system when using
blk-mq for SCSI.
Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Linus Torvalds [Fri, 3 Oct 2014 01:47:28 +0000 (18:47 -0700)]
Merge tag 'pm+acpi-3.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These are three regression fixes (cpufreq core, pcc-cpufreq, i915 /
ACPI) and one trivial fix for a callback return value mismatch in the
cpufreq integrator driver.
Specifics:
- A recent cpufreq core fix went too far and introduced a regression
in the system suspend code path. Fix from Viresh Kumar.
- An ACPI-related commit in the i915 driver that fixed backlight
problems for some Thinkpads inadvertently broke a Dell machine (in
3.16). Fix from Aaron Lu.
- The pcc-cpufreq driver was broken during the 3.15 cycle by a commit
that put wait_event() under a spinlock by mistake. Fix that
(Rafael J Wysocki).
- The return value type of integrator_cpufreq_remove() is void, but
should be int. Fix from Arnd Bergmann"
* tag 'pm+acpi-3.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: update 'cpufreq_suspended' after stopping governors
ACPI / i915: Update the condition to ignore firmware backlight change request
cpufreq: integrator: fix integrator_cpufreq_remove return type
cpufreq: pcc-cpufreq: Fix wait_event() under spinlock
Andy Gross [Mon, 29 Sep 2014 22:00:51 +0000 (17:00 -0500)]
i2c: qup: Fix order of runtime pm initialization
The runtime pm calls need to be done before populating the children via the
i2c_add_adapter call. If this is not done, a child can run into issues trying
to do i2c read/writes due to the pm_runtime_sync failing.
Signed-off-by: Andy Gross <agross@codeaurora.org> Reviewed-by: Felipe Balbi <balbi@ti.com> Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org
i2cdetect -q was broken (everything was a false positive, and no transfers were
actually being sent over i2c). The way it works is by sending a 0 length write
request and checking for NACK. This patch fixes the 0 length writes and actually
sends them.
Reported-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Alexandru M Stan <amstan@chromium.org> Tested-by: Doug Anderson <dianders@chromium.org> Tested-by: Max Schwarz <max.schwarz@online.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org
Linus Torvalds [Thu, 2 Oct 2014 23:29:19 +0000 (16:29 -0700)]
Merge branch 'akpm' (fixes from Andrew Morton)
Merge fixes from Andrew Morton:
"5 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: page_alloc: fix zone allocation fairness on UP
perf: fix perf bug in fork()
MAINTAINERS: change git URL for mpc5xxx tree
mm: memcontrol: do not iterate uninitialized memcgs
ocfs2/dlm: should put mle when goto kill in dlm_assert_master_handler
Johannes Weiner [Thu, 2 Oct 2014 23:21:10 +0000 (16:21 -0700)]
mm: page_alloc: fix zone allocation fairness on UP
The zone allocation batches can easily underflow due to higher-order
allocations or spills to remote nodes. On SMP that's fine, because
underflows are expected from concurrency and dealt with by returning 0.
But on UP, zone_page_state will just return a wrapped unsigned long,
which will get past the <= 0 check and then consider the zone eligible
until its watermarks are hit.
Commit 3a025760fc15 ("mm: page_alloc: spill to remote nodes before
waking kswapd") already made the counter-resetting use
atomic_long_read() to accomodate underflows from remote spills, but it
didn't go all the way with it.
Make it clear that these batches are expected to go negative regardless
of concurrency, and use atomic_long_read() everywhere.
Fixes: 81c0a2bb515f ("mm: page_alloc: fair zone allocator policy") Reported-by: Vlastimil Babka <vbabka@suse.cz> Reported-by: Leon Romanovsky <leon@leon.nu> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Mel Gorman <mgorman@suse.de> Cc: <stable@vger.kernel.org> [3.12+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Peter Zijlstra [Thu, 2 Oct 2014 23:17:02 +0000 (16:17 -0700)]
perf: fix perf bug in fork()
Oleg noticed that a cleanup by Sylvain actually uncovered a bug; by
calling perf_event_free_task() when failing sched_fork() we will not yet
have done the memset() on ->perf_event_ctxp[] and will therefore try and
'free' the inherited contexts, which are still in use by the parent
process. This is bad..
Johannes Weiner [Thu, 2 Oct 2014 23:16:57 +0000 (16:16 -0700)]
mm: memcontrol: do not iterate uninitialized memcgs
The cgroup iterators yield css objects that have not yet gone through
css_online(), but they are not complete memcgs at this point and so the
memcg iterators should not return them. Commit d8ad30559715 ("mm/memcg:
iteration skip memcgs not yet fully initialized") set out to implement
exactly this, but it uses CSS_ONLINE, a cgroup-internal flag that does
not meet the ordering requirements for memcg, and so the iterator may
skip over initialized groups, or return partially initialized memcgs.
The cgroup core can not reasonably provide a clear answer on whether the
object around the css has been fully initialized, as that depends on
controller-specific locking and lifetime rules. Thus, introduce a
memcg-specific flag that is set after the memcg has been initialized in
css_online(), and read before mem_cgroup_iter() callers access the memcg
members.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Tejun Heo <tj@kernel.org> Acked-by: Michal Hocko <mhocko@suse.cz> Cc: Hugh Dickins <hughd@google.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: <stable@vger.kernel.org> [3.12+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Thu, 2 Oct 2014 23:10:38 +0000 (16:10 -0700)]
Merge tag 'media/v3.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fix from Mauro Carvalho Chehab:
"One last time regression fix at em28xx. The removal of .reset_resume
broke suspend/resume on this driver for some devices.
There are more fixes to be done for em28xx suspend/resume to be better
handled, but I'm opting to let them to stay for a while at the media
devel tree, in order to get more tests. So, for now, let's just
revert this patch"
* tag 'media/v3.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
Revert "[media] media: em28xx - remove reset_resume interface"
Commit 651e22f2701b "ring-buffer: Always reset iterator to reader page"
fixed one bug but in the process caused another one. The reset is to
update the header page, but that fix also changed the way the cached
reads were updated. The cache reads are used to test if an iterator
needs to be updated or not.
A ring buffer iterator, when created, disables writes to the ring buffer
but does not stop other readers or consuming reads from happening.
Although all readers are synchronized via a lock, they are only
synchronized when in the ring buffer functions. Those functions may
be called by any number of readers. The iterator continues down when
its not interrupted by a consuming reader. If a consuming read
occurs, the iterator starts from the beginning of the buffer.
The way the iterator sees that a consuming read has happened since
its last read is by checking the reader "cache". The cache holds the
last counts of the read and the reader page itself.
Commit 651e22f2701b changed what was saved by the cache_read when
the rb_iter_reset() occurred, making the iterator never match the cache.
Then if the iterator calls rb_iter_reset(), it will go into an
infinite loop by checking if the cache doesn't match, doing the reset
and retrying, just to see that the cache still doesn't match! Which
should never happen as the reset is suppose to set the cache to the
current value and there's locks that keep a consuming reader from
having access to the data.
Fixes: 651e22f2701b "ring-buffer: Always reset iterator to reader page" Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Linus Torvalds [Thu, 2 Oct 2014 19:23:10 +0000 (12:23 -0700)]
Merge branch 'parisc-3.17-8' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fix from Helge Deller:
"One late but trivial patch to fix the serial console on parisc
machines which got broken during the 3.17 release cycle"
* 'parisc-3.17-8' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix serial console for machines with serial port on superio chip
Pavel Shilovsky [Thu, 2 Oct 2014 16:13:35 +0000 (20:13 +0400)]
CIFS: Fix readpages retrying on reconnects
If we got a reconnect error from async readv we re-add pages back
to page_list and continue loop. That is wrong because these pages
have been already added to the pagecache but page_list has pages that
have not been added to the pagecache yet. This ends up with a general
protection fault in put_pages after readpages. Fix it by not retrying
the read of these pages and falling back to readpage instead.
Fixes debian bug 762306
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org> Signed-off-by: Steve French <smfrench@gmail.com> Tested-by: Arthur Marsh <arthur.marsh@internode.on.net>
Steve French [Thu, 25 Sep 2014 06:26:55 +0000 (01:26 -0500)]
Fix problem recognizing symlinks
Changeset eb85d94bd introduced a problem where if a cifs open
fails during query info of a file we
will still try to close the file (happens with certain types
of reparse points) even though the file handle is not valid.
In addition for SMB2/SMB3 we were not mapping the return code returned
by Windows when trying to open a file (like a Windows NFS symlink)
which is a reparse point.
Signed-off-by: Steve French <smfrench@gmail.com> Reviewed-by: Pavel Shilovsky <pshilovsky@samba.org> CC: stable <stable@vger.kernel.org> #v3.13+
Linus Torvalds [Thu, 2 Oct 2014 18:57:52 +0000 (11:57 -0700)]
Merge branch 'numa-migration-fixes' (fixes from Mel Gorman)
Merge NUMA balancing related fixlets from Mel Gorman:
"There were a few minor changes so am resending just the two patches
that are mostly likely to affect the bug Dave and Sasha saw and marked
them for stable.
I'm less confident it will address Sasha's problem because while I
have not kept up to date, I believe he's also seeing memory corruption
issues in next from an unknown source. Still, it would be nice to see
how they affect trinity testing.
I'll send the MPOL_MF_LAZY patch separately because it's not urgent"
* emailed patches from Mel Gorman <mgorman@suse.de>:
mm: numa: Do not mark PTEs pte_numa when splitting huge pages
mm: migrate: Close race between migration completion and mprotect
Mel Gorman [Thu, 2 Oct 2014 18:47:42 +0000 (19:47 +0100)]
mm: numa: Do not mark PTEs pte_numa when splitting huge pages
This patch reverts 1ba6e0b50b ("mm: numa: split_huge_page: transfer the
NUMA type from the pmd to the pte"). If a huge page is being split due
a protection change and the tail will be in a PROT_NONE vma then NUMA
hinting PTEs are temporarily created in the protected VMA.
VM_RW|VM_PROTNONE
|-----------------|
^
split here
In the specific case above, it should get fixed up by change_pte_range()
but there is a window of opportunity for weirdness to happen. Similarly,
if a huge page is shrunk and split during a protection update but before
pmd_numa is cleared then a pte_numa can be left behind.
Instead of adding complexity trying to deal with the case, this patch
will not mark PTEs NUMA when splitting a huge page. NUMA hinting faults
will not be triggered which is marginal in comparison to the complexity
in dealing with the corner cases during THP split.
Cc: stable@vger.kernel.org Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Rik van Riel <riel@redhat.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Mel Gorman [Thu, 2 Oct 2014 18:47:41 +0000 (19:47 +0100)]
mm: migrate: Close race between migration completion and mprotect
A migration entry is marked as write if pte_write was true at the time the
entry was created. The VMA protections are not double checked when migration
entries are being removed as mprotect marks write-migration-entries as
read. It means that potentially we take a spurious fault to mark PTEs write
again but it's straight-forward. However, there is a race between write
migrations being marked read and migrations finishing. This potentially
allows a PTE to be write that should have been read. Close this race by
double checking the VMA permissions using maybe_mkwrite when migration
completes.
[torvalds@linux-foundation.org: use maybe_mkwrite] Cc: stable@vger.kernel.org Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The DSP driver needs to know widget control value in its event handler for
widgets like mixers. This is required in the subsequent patches
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Linus Torvalds [Thu, 2 Oct 2014 16:42:28 +0000 (09:42 -0700)]
Merge tag 'sound-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a few pending bits of random fixes in ASoC. Nothing exciting,
but would be nice to be merged in 3.17, as most of them are also for
stable kernels"
* tag 'sound-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: ssm2602: do not hardcode type to SSM2602
ASoC: core: fix possible ZERO_SIZE_PTR pointer dereferencing error.
MAINTAINERS: add atmel audio alsa driver maintainer entry
ASoC: rt286: Fix sync function
ASoC: rt286: Correct default value
ASoC: soc-compress: fix double unlock of fe card mutex
ASoC: fsl_ssi: fix kernel panic in probe function
Dylan Reid [Wed, 1 Oct 2014 21:25:20 +0000 (14:25 -0700)]
ASoC: simple-card: Add mic and hp detect gpios.
Allow Headphone and Microphone jack detect gpios to be specified in
device tree. This will allow a few systems including rk3288_max98090
to use simple-card instead of having their own board file.
Signed-off-by: Dylan Reid <dgreid@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Jarkko Nikula [Thu, 2 Oct 2014 10:29:09 +0000 (13:29 +0300)]
ASoC: Intel: byt-rt5640: Set card as fully routed
Although it's not known does current version of byt-rt5640 cover all
possible variants it is better to set the fully_routed flag on in order to
disable unused codecs pins in known machines and get regression from
machines that use different routing than the default one.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Jarkko Nikula [Thu, 2 Oct 2014 10:29:08 +0000 (13:29 +0300)]
ASoC: Intel: byt-rt5640: Add quirk for Dell Venue 8 Pro tablet
It was found with help of Jan-Michael Brummer <jan.brummer@tabos.org> that
Dell Venue 8 Pro tablet has a digital microphone connected to DMIC2
interface of the RT564x.
This patch adds a DAPM route to DMIC2 and a quirk using it for that tablet.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reported-by: Jan-Michael Brummer <jan.brummer@tabos.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Dave Airlie [Thu, 2 Oct 2014 04:48:20 +0000 (14:48 +1000)]
Merge branch 'linux-3.17' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
A few regression fixes, the runpm ones dating back to 3.15. Also a fairly severe TMDS regression that effected a lot of GF8/9/GT2xx users.
* 'linux-3.17' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau: make sure display hardware is reinitialised on runtime resume
drm/nouveau: punt fbcon resume out to a workqueue
drm/nouveau: fix regression on original nv50 board
drm/nv50/disp: fix dpms regression on certain boards
1) Don't halt the firmware in r8152 driver, from Hayes Wang.
2) Handle full sized 802.1ad frames in bnx2 and tg3 drivers properly,
from Vlad Yasevich.
3) Don't sleep while holding tx_clean_lock in netxen driver, fix from
Manish Chopra.
4) Certain kinds of ipv6 routes can end up endlessly failing the route
validation test, causing it to be re-looked up over and over again.
This particularly kills input route caching in TCP sockets. Fix
from Hannes Frederic Sowa.
5) netvsc_start_xmit() has a use-after-free access to skb->len, fix
from K Y Srinivasan.
6) Fix matching of inverted containers in ematch module, from Ignacy
Gawędzki.
7) Aggregation of GRO frames via SKB ->frag_list for linear skbs isn't
handled properly, regression fix from Eric Dumazet.
8) Don't test return value of ipv4_neigh_lookup(), which returns an
error pointer, against NULL. From WANG Cong.
9) Fix an old regression where we mistakenly allow a double add of the
same tunnel. Fixes from Steffen Klassert.
10) macvtap device delete and open can run in parallel and corrupt lists
etc., fix from Vlad Yasevich.
11) Fix build error with IPV6=m NETFILTER_XT_TARGET_TPROXY=y, from Pablo
Neira Ayuso.
12) rhashtable_destroy() triggers lockdep splats, fix also from Pablo.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (32 commits)
bna: Update Maintainer Email
r8152: disable power cut for RTL8153
r8152: remove clearing bp
bnx2: Correctly receive full sized 802.1ad fragmes
tg3: Allow for recieve of full-size 8021AD frames
r8152: fix setting RTL8152_UNPLUG
netxen: Fix bug in Tx completion path.
netxen: Fix BUG "sleeping function called from invalid context"
ipv6: remove rt6i_genid
hyperv: Fix a bug in netvsc_start_xmit()
net: stmmac: fix stmmac_pci_probe failed when CONFIG_HAVE_CLK is selected
ematch: Fix matching of inverted containers.
gro: fix aggregation for skb using frag_list
neigh: check error pointer instead of NULL for ipv4_neigh_lookup()
ip6_gre: Return an error when adding an existing tunnel.
ip6_vti: Return an error when adding an existing tunnel.
ip6_tunnel: Return an error when adding an existing tunnel.
ip6gre: add a rtnl link alias for ip6gretap
net/mlx4_core: Allow not to specify probe_vf in SRIOV IB mode
r8152: fix the carrier off when autoresuming
...
NeilBrown [Thu, 2 Oct 2014 03:45:00 +0000 (13:45 +1000)]
md/raid5: disable 'DISCARD' by default due to safety concerns.
It has come to my attention (thanks Martin) that 'discard_zeroes_data'
is only a hint. Some devices in some cases don't do what it
says on the label.
The use of DISCARD in RAID5 depends on reads from discarded regions
being predictably zero. If a write to a previously discarded region
performs a read-modify-write cycle it assumes that the parity block
was consistent with the data blocks. If all were zero, this would
be the case. If some are and some aren't this would not be the case.
This could lead to data corruption after a device failure when
data needs to be reconstructed from the parity.
As we cannot trust 'discard_zeroes_data', ignore it by default
and so disallow DISCARD on all raid4/5/6 arrays.
As many devices are trustworthy, and as there are benefits to using
DISCARD, add a module parameter to over-ride this caution and cause
DISCARD to work if discard_zeroes_data is set.
If a site want to enable DISCARD on some arrays but not on others they
should select DISCARD support at the filesystem level, and set the
raid456 module parameter.
raid456.devices_handle_discard_safely=Y
As this is a data-safety issue, I believe this patch is suitable for
-stable.
DISCARD support for RAID456 was added in 3.7
Cc: Shaohua Li <shli@kernel.org> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Mike Snitzer <snitzer@redhat.com> Cc: Heinz Mauelshagen <heinzm@redhat.com> Cc: stable@vger.kernel.org (3.7+) Acked-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Mike Snitzer <snitzer@redhat.com> Fixes: 620125f2bf8ff0c4969b79653b54d7bcc9d40637 Signed-off-by: NeilBrown <neilb@suse.de>
Ben Skeggs [Thu, 2 Oct 2014 03:22:27 +0000 (13:22 +1000)]
drm/nouveau: make sure display hardware is reinitialised on runtime resume
Linus commit 05c63c2ff23a80b654d6c088ac3ba21628db0173 modified the
runtime suspend/resume paths to skip over display-related tasks to
avoid locking issues on resume.
Unfortunately, this resulted in the display hardware being left in
a partially initialised state, preventing subsequent modesets from
completing.
This commit unifies the (many) suspend/resume paths, bringing back
display (and fbcon) handling in the runtime paths.
Ben Skeggs [Wed, 1 Oct 2014 01:11:25 +0000 (11:11 +1000)]
drm/nouveau: punt fbcon resume out to a workqueue
Preparation for some runtime pm fixes. Currently we skip over fbcon
suspend/resume in the runtime path, which causes issues on resume if
fbcon tries to write to the framebuffer before the BAR subdev has
been resumed to restore the BAR1 VM setup.
As we might be woken up via a sysfs connector, we are unable to call
fb_set_suspend() in the resume path as it could make its way down to
a modeset and cause all sorts of locking hilarity.
To solve this, we'll just delay the fbcon resume to a workqueue.
Ben Skeggs [Wed, 1 Oct 2014 02:46:14 +0000 (12:46 +1000)]
drm/nouveau: fix regression on original nv50 board
Xorg (and any non-DRM client really) doesn't have permission to directly
touch VRAM on nv50 and up, which the fence code prior to g84 depends on.
It's less invasive to temporarily grant it premission to do so, as it
previously did, than it is to rework fencenv50 to use the VM. That
will come later on.
hayeswang [Wed, 1 Oct 2014 05:25:10 +0000 (13:25 +0800)]
r8152: remove clearing bp
The xxx_clear_bp() is used to halt the firmware. It only necessary
for updating the new firmware. Besides, depend on the version of
the current firmware, it may have problem to halt the firmware
directly. Finally, halt the firmware would let the firmware code
useless, and the bugs which are fixed by the firmware would occur.
Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
bnx2: Correctly receive full sized 802.1ad fragmes
This driver, similar to tg3, has a check that will
cause full sized 802.1ad frames to be dropped. The
frame will be larger then the standard mtu due to the
presense of vlan header that has not been stripped.
The driver should not drop this frame and should process
it just like it does for 802.1q.
CC: Sony Chacko <sony.chacko@qlogic.com> CC: Dept-HSGLinuxNICDev@qlogic.com Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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