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The error path does this:
for (--i; i >= 0; --i) {
which is a forever loop because "i" is unsigned.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Always use the regular UVD state for now. This fixes
a performance regression with UVD playback on certain APUs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use the hw generated values rather than calculating
them in the driver. There may be some older r6xx
asics where this doesn't work correctly. This remains
to be seen.
See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=69675
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The drm code that calculates the 1001 clocks rounds up
rather than truncating. This allows the table to match
properly on those modes.
See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=69675
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The crash reported and investigated in commit 5f4513 turned out to be
caused by a change to the read interface on newer (2012) SMCs.
Tests by Chris show that simply reading the data valid line is enough
for the problem to go away. Additional tests show that the newer SMCs
no longer wait for the number of requested bytes, but start sending
data right away. Apparently the number of bytes to read is no longer
specified as before, but instead found out by reading until end of
data. Failure to read until end of data confuses the state machine,
which eventually causes the crash.
As a remedy, assuming bit0 is the read valid line, make sure there is
nothing more to read before leaving the read function.
Tested to resolve the original problem, and runtested on MBA3,1,
MBP4,1, MBP8,2, MBP10,1, MBP10,2. The patch seems to have no effect on
machines before 2012.
Tested-by: Chris Murphy <chris@cmurf.com>
Cc: stable@vger.kernel.org
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Disable MSIs for now until we can fix them up
* nouveau/drm-nouveau-next:
drm/nouveau/mc: disable msi support by default, it's busted in tons of places
Commit 8b9ba7a3 'drm/gma500: use gem get/put page helpers' was missing a
line, which resulted in garbled screen.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Tested-by: Guillaume CLÉMENT <gclement@baobob.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The e-mail address rjw@sisk.pl that I have been using for quite some
time is going to expire at one point, so replace it with a new one,
rjw@rjwysocki.net, everywhere in MAINTAINERS and Documentation/ABI.
Signed-off-by: Rafael J. Wysocki <rjw@rjwysocki.net>
File drivers/leds/leds-lp55xx-common.c refuse to change led_current sysfs
attribute if value is higher than max_current specified in board file. By default
global C variables are zero, so changing always failed. This patch adding missing
max_current and setting it to max safe value 100 (10 mA).
It is unclear which commit exactly caused this regression as the lp5523
driver was broken and was hiding the platform data breakage. Now
the driver is fixed so this should be fixed as well.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Joerg Reisenweber <joerg@openmoko.org>
[tony@atomide.com: updated comments to describe regression]
Signed-off-by: Tony Lindgren <tony@atomide.com>
ASUS N56VZ needs a fixup for the bass speaker pin, which was already
provided via model=asus-mode4.
Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=841645
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Since dra7 reuses the function 'omap5_realtime_timer_init' in
arch/arm/mach-omap2/board-generic.c as timer init function, it has to be
built for this SoC as well.
Signed-off-by: Simon Barth <Simon.Pe.Barth@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The wake-up interrupt bit is available on omap3/4/5 processors
unlike what we claim. Without fixing it we cannot use it on
omap3 and the system configured for wake-up events will just
hang on wake-up.
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Benoît Cousson <bcousson@baylibre.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
SoC family definitions at the moment are reactive to board needs
as a result, beagle-xm would matchup with ti,omap3 which invokes
omap3430_init_early instead of omap3630_init_early. Obviously, this is
the wrong behavior.
With clock node dts conversion, we get the following warnings before
system hangs as a result and 3630 based platforms fails to boot
(uart4 clocks are only present in OMAP3630 and not present in
OMAP3430):
...
omap_hwmod: uart4: cannot clk_get main_clk uart4_fck
omap_hwmod: uart4: cannot _init_clocks
WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2434
_init+0x6c/0x80()
omap_hwmod: uart4: couldn't init clocks
...
WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2126
_enable+0x254/0x280()
omap_hwmod: timer12: enabled state can only be entered from
initialized, idle, or disabled state
...
WARNING: CPU: 0 PID: 46 at arch/arm/mach-omap2/omap_hwmod.c:2224
_idle+0xd4/0xf8()
omap_hwmod: timer12: idle state can only be entered from enabled state
WARNING: CPU: 0 PID: 1 at arch/arm/mach-omap2/omap_hwmod.c:2126
_enable+0x254/0x280()
omap_hwmod: uart4: enabled state can only be entered from
initialized, idle, or disabled state
So, add specific compatiblity for 3630 to allow match for Beagle-XM
platform.
Signed-off-by: Nishanth Menon <nm@ti.com>
[tony@atomide.com: left out ti,omap343x, updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Pull perf fixes from Ingo Molnar:
"Various fixlets:
On the kernel side:
- fix a race
- fix a bug in the handling of the perf ring-buffer data page
On the tooling side:
- fix the handling of certain corrupted perf.data files
- fix a bug in 'perf probe'
- fix a bug in 'perf record + perf sched'
- fix a bug in 'make install'
- fix a bug in libaudit feature-detection on certain distros"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf session: Fix infinite loop on invalid perf.data file
perf tools: Fix installation of libexec components
perf probe: Fix to find line information for probe list
perf tools: Fix libaudit test
perf stat: Set child_pid after perf_evlist__prepare_workload()
perf tools: Add default handler for mmap2 events
perf/x86: Clean up cap_user_time* setting
perf: Fix perf_pmu_migrate_context
Currently hdmi_setup_audio_infoframe() reprograms the HDA channel
mapping only when the infoframe is not up-to-date or the non-PCM flag
has changed.
However, when just the channel map has been changed, the infoframe may
still be up-to-date and non-PCM flag may not have changed, so the new
channel map is not actually programmed into the HDA codec.
Notably, this failing case is also always triggered when the device is
already in a prepared state and a new channel map is configured while
changing only the channel positions (for example, plain
"speaker-test -c2 -m FR,FL").
Fix that by always programming the channel map in
hdmi_setup_audio_infoframe(). Tested on Intel HDMI.
Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
. The libaudit test was failing in some systems due to a unescaped newline, fix
it so that the 'trace' tool can be built in such systems.
. Fix installation of libexec components.
. Add default handler for mmap2 events so that tools that don't explicitely
define an MMAP2 handler don't crash, fix from David Ahern.
. Fix to find line information for probe list, from Masami Hiramatsu.
. Set child_pid after perf_evlist__prepare_workload(), fix from Namhyung Kim.
. Fix infinite loop on invalid perf.data file, from Namhyung Kim.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:
* The libaudit test was failing in some systems due to a unescaped newline, fix
it so that the 'trace' tool can be built in such systems.
* Fix installation of libexec components.
* Add default handler for mmap2 events so that tools that don't explicitely
define an MMAP2 handler don't crash, fix from David Ahern.
* Fix to find line information for probe list, from Masami Hiramatsu.
* Set child_pid after perf_evlist__prepare_workload(), fix from Namhyung Kim.
* Fix infinite loop on invalid perf.data file, from Namhyung Kim.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This reverts commit f7d2c0bbdb, as it
causes build errors when the driver is built as a module.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
irq_exit() is now called on the irq stack, which can trigger a switch to
the softirq stack from the irq stack. If an interrupt happens at that
point, we will not properly detect the re-entrancy and clobber the
original return context on the irq stack.
This fixes it. The side effect is to prevent all nesting from softirq
stack to irq stack even in the "safe" case but it's simpler that way and
matches what x86_64 does.
Reported-by: Cédric Le Goater <clg@fr.ibm.com>
Tested-by: Cédric Le Goater <clg@fr.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull HID fixes from Jiri Kosina:
- fix for hidraw reference counting regression, by Manoj Chourasia
- fix for minor number allocation for uhid, by David Herrmann
- other small unsorted fixes / device ID additions
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: wiimote: fix FF deadlock
HID: add Holtek USB ID 04d9:a081 SHARKOON DarkGlider
HID: hidraw: close underlying device at removal of last reader
HID: roccat: Fix "cannot create duplicate filename" problems
HID: uhid: allocate static minor
Pull Tile bugfixes from Chris Metcalf:
"This fixes some serious issues with PREEMPT support, and a couple of
smaller corner-case issues fixed in the last couple of weeks"
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
arch: tile: re-use kbasename() helper
tile: use a more conservative __my_cpu_offset in CONFIG_PREEMPT
tile: ensure interrupts disabled for preempt_schedule_irq()
tile: change lock initalization in hardwall
tile: include: asm: use 'long long' instead of 'u64' for atomic64_t and its related functions
The input core has an internal spinlock that is acquired during event
injection via input_event() and friends but also held during FF callbacks.
That means, there is no way to share a lock between event-injection and FF
handling. Unfortunately, this is what is required for wiimote state
tracking and what we do with state.lock and input->lock.
This deadlock can be triggered when using continuous data reporting and FF
on a wiimote device at the same time. I takes me at least 30m of
stress-testing to trigger it but users reported considerably shorter
times (http://bpaste.net/show/132504/) when using some gaming-console
emulators.
The real problem is that we have two copies of internal state, one in the
wiimote objects and the other in the input device. As the input-lock is
not supposed to be accessed from outside of input-core, we have no other
chance than offloading FF handling into a worker. This actually works
pretty nice and also allows to implictly merge fast rumble changes into a
single request.
Due to the 3-layered workers (rumble+queue+l2cap) this might reduce FF
responsiveness. Initial tests were fine so lets fix the race first and if
it turns out to be too slow we can always handle FF out-of-band and skip
the queue-worker.
Cc: <stable@vger.kernel.org> # 3.11+
Reported-by: Thomas Schneider
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This allows users to use LANMAN authentication on servers which support
unencapsulated authentication.
The patch fixes a regression where users using plaintext authentication
were no longer able to do so because of changed bought in by patch
3f618223dchttps://bugzilla.redhat.com/show_bug.cgi?id=1011621
Reported-by: Panos Kavalagios <Panagiotis.Kavalagios@eurodyn.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
When connecting to SMB2/3 shares, maximum file size is set to non-LFS maximum in superblock. This is due to cap_large_files bit being different for SMB1 and SMB2/3 (where it is just an internal flag that is not negotiated and the SMB1 one corresponds to multichannel capability, so maybe LFS works correctly if server sends 0x08 flag) while capabilities are checked always for the SMB1 bit in cifs_read_super().
The patch fixes this by checking for the correct bit according to the protocol version.
CC: Stable <stable@kernel.org>
Signed-off-by: Jan Klos <honza.klos@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Commit 1400eb6 (MIPS: r4k,octeon,r2300: stack protector: change canary
per task) was merged in v3.11 and introduced assembly in the MIPS resume
functions to update the value of the current canary in
__stack_chk_guard. However it used PTR_L resulting in a load of the
canary value, instead of PTR_LA to construct its address. The value is
intended to be random but is then treated as an address in the
subsequent LONG_S (store).
This was observed to cause a fault and panic:
CPU 0 Unable to handle kernel paging request at virtual address 139fea20, epc == 8000cc0c, ra == 8034f2a4
Oops[#1]:
...
$24 : 139fea20 1e1f7cb6
...
Call Trace:
[<8000cc0c>] resume+0xac/0x118
[<8034f2a4>] __schedule+0x5f8/0x78c
[<8034f4e0>] schedule_preempt_disabled+0x20/0x2c
[<80348eec>] rest_init+0x74/0x84
[<804dc990>] start_kernel+0x43c/0x454
Code: 3c18804b 8f184030 8cb901f8 <af190000> 00c0e021 8cb002f0 8cb102f4 8cb202f8 8cb302fc
This can also be forced by modifying
arch/mips/include/asm/stackprotector.h so that the default
__stack_chk_guard value is more likely to be a bad (or unaligned)
pointer.
Fix it to use PTR_LA instead, to load the address of the canary value,
which the LONG_S can then use to write into it.
Reported-by: bobjones (via #mipslinux on IRC)
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Gregory Fong <gregory.0xf0@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/6026/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
'irq' was not released when clk_prepare_enable failed.
Fix it.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
On this machine, DAC on node 0x03 seems to give mono output.
Also, it needs additional patches for headset mic support.
It supports CTIA style headsets only.
Alsa-info available at the bug link below.
Cc: stable@kernel.org (v3.10+)
BugLink: https://bugs.launchpad.net/bugs/1236228
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Pull s390 fixes from Martin Schwidefsky:
"A couple of bux fixes, notable are the regression with ptrace vs
restarting system calls and the patch for kdump to be able to copy
from virtual memory"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: fix system call restart after inferior call
s390: Allow vmalloc target buffers for copy_from_oldmem()
s390/sclp: properly detect line mode console
s390/kprobes: add exrl to list of prohibited opcodes
s390/3270: fix return value check in tty3270_resize_work()
request_module for w1 slave modules needs to be called with the w1
master mutex unlocked. Because w1_attach_slave_device gets always(?)
called with mutex locked, we need to temporarily unlock the w1 master
mutex for the loading of the w1 slave module.
Signed-off by: Hans-Frieder Vogt <hfvogt@gmx.net>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Cc: stable <stable@vger.kernel.org> # 3.11+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce a check to make sure that fops are only called if they have
been defined by the slave module.
Without this check modules like w1_smem cause a NULL pointer dereference
bug.
Signed-off by: Hans-Frieder Vogt <hfvogt@gmx.net>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Cc: stable <stable@vger.kernel.org> # 3.11+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Do not send SMB2 Logoff command when reconnecting, the way smb1
code base works.
Also, no need to wait for a credit for an echo command when one is already
in flight.
Without these changes, umount command hangs if the server is unresponsive
e.g. hibernating.
Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@us.ibm.com>
Daniel writes:
Just a few important fixes, all cc: stable (I've checked this time around
and made sure they're really there ...). The dpms one is a regression from
the modeset rework and has a good chance to rectify Linus' hdmi issues.
* tag 'drm-intel-fixes-2013-10-07' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: Only apply DPMS to the encoder if enabled
drm/i915: Mask LPSP to get PSR working even with Power Well in use by audio.
drm/i915/hsw: Disable L3 caching of atomic memory operations.
drm/i915: fix rps.vlv_work initialization
Modify the code to use current_euid(), and in_egroup_p, as in done
in fs/proc/proc_sysctl.c:test_perm()
Cc: stable@vger.kernel.org
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reported-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull SCSI target fixes from Nicholas Bellinger:
"Here are the outstanding target fixes queued up for v3.12-rc4 code.
The highlights include:
- Make vhost/scsi tag percpu_ida_alloc() use GFP_ATOMIC
- Allow sess_cmd_map allocation failure fallback to use vzalloc
- Fix COMPARE_AND_WRITE se_cmd->data_length bug with FILEIO backends
- Fixes for COMPARE_AND_WRITE callback recursive failure OOPs + non
zero scsi_status bug
- Make iscsi-target do acknowledgement tag release from RX context
- Setup iscsi-target with extra (cmdsn_depth / 2) percpu_ida tags
Also included is a iscsi-target patch CC'ed for v3.10+ that avoids
legacy wait_for_task=true release during fast-past StatSN
acknowledgement, and two other SRP target related patches that address
long-standing issues that are CC'ed for v3.3+.
Extra thanks to Thomas Glanzmann for his testing feedback with
COMPARE_AND_WRITE + EXTENDED_COPY VAAI logic"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
iscsi-target; Allow an extra tag_num / 2 number of percpu_ida tags
iscsi-target: Perform release of acknowledged tags from RX context
iscsi-target: Only perform wait_for_tasks when performing shutdown
target: Fail on non zero scsi_status in compare_and_write_callback
target: Fix recursive COMPARE_AND_WRITE callback failure
target: Reset data_length for COMPARE_AND_WRITE to NoLB * block_size
ib_srpt: always set response for task management
target: Fall back to vzalloc upon ->sess_cmd_map kzalloc failure
vhost/scsi: Use GFP_ATOMIC with percpu_ida_alloc for obtaining tag
ib_srpt: Destroy cm_id before destroying QP.
target: Fix xop->dbl assignment in target_xcopy_parse_segdesc_02
Pull slave-dmaengine fixes from Vinod Koul:
"Here is the slave dmanegine fixes. We have the fix for deadlock issue
on imx-dma by Michael and Josh's edma config fix along with author
change"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: imx-dma: fix callback path in tasklet
dmaengine: imx-dma: fix lockdep issue between irqhandler and tasklet
dmaengine: imx-dma: fix slow path issue in prep_dma_cyclic
dma/Kconfig: Make TI_EDMA select TI_PRIV_EDMA
edma: Update author email address
Windows 8 and later can create NFS symlinks (within reparse points)
which we were assuming were normal NTFS symlinks and thus reporting
corrupt paths for. Add check for reparse points to make sure that
they really are normal symlinks before we try to parse the pathname.
We also should not be parsing other types of reparse points (DFS
junctions etc) as if they were a symlink so return EOPNOTSUPP
on those. Also fix endian errors (we were not parsing symlink
lengths as little endian).
This fixes commit d244bf2dfb
which implemented follow link for non-Unix CIFS mounts
CC: Stable <stable@kernel.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
