- 16 Nov, 2015 26 commits
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Chris Wilson authored
commit cc917ab4 upstream. Pinning a userptr onto the hardware raises interesting questions about the lifetime of such a surface as the framebuffer extends that life beyond the client's address space. That is the hardware will need to keep scanning out from the backing storage even after the client wants to remap its address space. As the hardware pins the backing storage, the userptr becomes invalid and this raises a WARN when the clients tries to unmap its address space. The situation can be even more complicated when the buffer is passed between processes, between a client and display server, where the lifetime and hardware access is even more confusing. Deny it. Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Michał Winiarski <michal.winiarski@intel.com> Reviewed-by:
Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Signed-off-by:
Luis Henriques <luis.henriques@canonical.com>
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David Henningsson authored
commit e8d65a8d upstream. Add the appropriate quirk to indicate the Lenovo G50-80 has a stereo mic input where one channel has reverse polarity. Alsa-info available at: https://launchpadlibrarian.net/220846272/AlsaInfo.txt BugLink: https://bugs.launchpad.net/bugs/1504778Signed-off-by:
David Henningsson <david.henningsson@canonical.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Alexandre Belloni authored
commit b94e2280 upstream. 0° Kelvin is actually −273.15°C, not -272.15°C. Fix the temperature offset. Also improve the comment explaining the calculation. Reported-by:
Janusz Użycki <j.uzycki@elpromaelectronics.com> Signed-off-by:
Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by:
Stefan Wahren <stefan.wahren@i2se.com> Acked-by:
Marek Vasut <marex@denx.de> Signed-off-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by:
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Cathy Avery authored
commit a54c8f0f upstream. xen-blkfront will crash if the check to talk_to_blkback() in blkback_changed()(XenbusStateInitWait) returns an error. The driver data is freed and info is set to NULL. Later during the close process via talk_to_blkback's call to xenbus_dev_fatal() the null pointer is passed to and dereference in blkfront_closing. Signed-off-by:
Cathy Avery <cathy.avery@oracle.com> Signed-off-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by:
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Florian Fainelli authored
commit d836ace6 upstream. DSA expects the host_dev pointer to be the device structure associated with the MDIO bus controller driver. First commit breaking that was c3a07134 ("mv643xx_eth: convert to use the Marvell Orion MDIO driver"), and then, it got completely under the radar for a while. Reported-by:
Frans van de Wiel <fvdw@fvdw.eu> Fixes: c3a07134 ("mv643xx_eth: convert to use the Marvell Orion MDIO driver") Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
Gregory CLEMENT <gregory.clement@free-electrons.com> [ luis: backported to 3.16: adjusted context ] Signed-off-by:
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Luca Coelho authored
commit f08f6258 upstream. Add 3 new subdevice IDs for the 0x095A device ID and 2 for the 0x095B device ID. Reported-by:
Jeremy <jeremy.bomkamp@gmail.com> Signed-off-by:
Luca Coelho <luciano.coelho@intel.com> Signed-off-by:
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Johannes Berg authored
commit b5a48134 upstream. The MODULE_FIRMWARE() for 3160 should be using the 7260 version as it's done in the device configuration struct instead of referencing IWL3160_UCODE_API_OK which doesn't even exist. Reported-by:
Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Johannes Berg authored
commit 2cf5eb3a upstream. The code to send the RX PN data (for each TID) to the firmware has a devastating bug: it overwrites the data for TID 0 with all the TID data, leaving the remaining TIDs zeroed. This will allow replays to actually be accepted by the firmware, which could allow waking up the system. Signed-off-by:
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Johannes Berg authored
commit 5bd16687 upstream. The code to send the RX PN data (for each TID) to the firmware has a devastating bug: it overwrites the data for TID 0 with all the TID data, leaving the remaining TIDs zeroed. This will allow replays to actually be accepted by the firmware, which could allow waking up the system. Signed-off-by:
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Dan Carpenter authored
commit eda7d0f3 upstream. "num_read" is in byte units but we are write u16s so we end up write twice as much as intended. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Felix Fietkau authored
commit 029cd037 upstream. ath9k inserts padding between the 802.11 header and the data area (to align it). Since it didn't declare this extra required headroom, this led to some nasty issues like randomly dropped packets in some setups. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
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Ilya Dryomov authored
commit 3ebe138a upstream. If rbd_dev_image_probe() in rbd_dev_probe_parent() fails, header_name is freed twice: once in rbd_dev_probe_parent() and then in its caller rbd_dev_image_probe() (rbd_dev_image_probe() is called recursively to handle parent images). rbd_dev_probe_parent() is responsible for probing the parent, so it shouldn't muck with clone's fields. Signed-off-by:
Ilya Dryomov <idryomov@gmail.com> Reviewed-by:
Alex Elder <elder@linaro.org> Signed-off-by:
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Reyad Attiyat authored
commit 4758dcd1 upstream. This commit checks for the URB_ZERO_PACKET flag and creates an extra zero-length td if the urb transfer length is a multiple of the endpoint's max packet length. Signed-off-by:
Reyad Attiyat <reyad.attiyat@gmail.com> Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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Daniel Vetter authored
commit da168d81 upstream. I've done some extensive history digging across libdrm, mesa and xf86-video-{intel,nouveau,ati}. The only potential user of this with kms drivers I could find was ttmtest, which once used drmGetLock still. But that mistake was quickly fixed up. Even the intel xvmc library (which otherwise was really good with using dri1 stuff in kms mode) managed to never take the hw lock for dri2 (and hence kms). Hence it should be save to unconditionally disallow this. Cc: Peter Antoine <peter.antoine@intel.com> Reviewed-by:
Peter Antoine <peter.antoine@intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Signed-off-by:
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Christian Engelmayer authored
commit 0f89abf5 upstream. Commit 8eb93459 ("btrfs: check unsupported filters in balance arguments") adds a jump to exit label out_bargs in case the argument check fails. At this point in addition to the bargs memory, the memory for struct btrfs_balance_control has already been allocated. Ownership of bctl is passed to btrfs_balance() in the good case, thus the memory is not freed due to the introduced jump. Make sure that the memory gets freed in any case as necessary. Detected by Coverity CID 1328378. Signed-off-by:
Christian Engelmayer <cengelma@gmx.at> Reviewed-by:
David Sterba <dsterba@suse.com> Signed-off-by:
Chris Mason <clm@fb.com> Signed-off-by:
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Mika Westerberg authored
commit 56d4b8a2 upstream. ACPI SSCN/FMCN methods were originally added because then the platform can provide the most accurate HCNT/LCNT values to the driver. However, this seems not to be true for Dell Inspiron 7348 where using these causes the touchpad to fail in boot: i2c_hid i2c-DLL0675:00: failed to retrieve report from device. i2c_designware INT3433:00: i2c_dw_handle_tx_abort: lost arbitration i2c_hid i2c-DLL0675:00: failed to retrieve report from device. i2c_designware INT3433:00: controller timed out The values received from ACPI are (in fast mode): HCNT: 72 LCNT: 160 this translates to following timings (input clock is 100MHz on Broadwell): tHIGH: 720 ns (spec min 600 ns) tLOW: 1600 ns (spec min 1300 ns) Bus period: 2920 ns (assuming 300 ns tf and tr) Bus speed: 342.5 kHz Both tHIGH and tLOW are within the I2C specification. The calculated values when ACPI parameters are not used are (in fast mode): HCNT: 87 LCNT: 159 which translates to: tHIGH: 870 ns (spec min 600 ns) tLOW: 1590 ns (spec min 1300 ns) Bus period 3060 ns (assuming 300 ns tf and tr) Bus speed 326.8 kHz These values are also within the I2C specification. Since both ACPI and calculated values meet the I2C specification timing requirements it is hard to say why the touchpad does not function properly with the ACPI values except that the bus speed is higher in this case (but still well below the max 400kHz). Solve this by adding DMI quirk to the driver that disables using ACPI parameters on this particulare machine. Reported-by:
Pavel Roskin <plroskin@gmail.com> Signed-off-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Tested-by:
Wolfram Sang <wsa@the-dreams.de> Signed-off-by:
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Wolfram Sang authored
commit 36d48fb5 upstream. The core may register clients attached to this master which may use funtionality from the master. So, RuntimePM must be enabled before, otherwise this will fail. Signed-off-by:
Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by:
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Wolfram Sang authored
commit eadd709f upstream. The core may register clients attached to this master which may use funtionality from the master. So, RuntimePM must be enabled before, otherwise this will fail. While here, move drvdata, too. Signed-off-by:
Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by:
Kukjin Kim <kgene@kernel.org> Signed-off-by:
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Wolfram Sang authored
commit 4f7effdd upstream. The core may register clients attached to this master which may use funtionality from the master. So, RuntimePM must be enabled before, otherwise this will fail. While here, move drvdata, too. Reported-by:
Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by:
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Chris Mason authored
commit dc6c5fb3 upstream. The code for btrfs inode-resolve has never worked properly for files with enough hard links to trigger extrefs. It was trying to get the leaf out of a path after freeing the path: btrfs_release_path(path); leaf = path->nodes[0]; item_size = btrfs_item_size_nr(leaf, slot); The fix here is to use the extent buffer we cloned just a little higher up to avoid deadlocks caused by using the leaf in the path. Signed-off-by:
Filipe Manana <fdmanana@suse.com> Reviewed-by:
Mark Fasheh <mfasheh@suse.de> Signed-off-by:
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David Sterba authored
commit 8eb93459 upstream. We don't verify that all the balance filter arguments supplemented by the flags are actually known to the kernel. Thus we let it silently pass and do nothing. At the moment this means only the 'limit' filter, but we're going to add a few more soon so it's better to have that fixed. Also in older stable kernels so that it works with newer userspace tools. Signed-off-by:
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Mike Snitzer authored
commit ba30670f upstream. Fixes: ac8c3f3d ("dm thin: generate event when metadata threshold passed") Signed-off-by:
Mike Snitzer <snitzer@redhat.com> Signed-off-by:
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Russell King authored
commit 8996eafd upstream. Unlike shash algorithms, ahash drivers must implement export and import as their descriptors may contain hardware state and cannot be exported as is. Unfortunately some ahash drivers did not provide them and end up causing crashes with algif_hash. This patch adds a check to prevent these drivers from registering ahash algorithms until they are fixed. Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Will Deacon authored
commit b6dd8e07 upstream. Commit df057cc7 ("arm64: errata: add module build workaround for erratum #843419") sets CFLAGS_MODULE to ensure that the large memory model is used by the compiler when building kernel modules. However, CFLAGS_MODULE is an environment variable and intended to be overridden on the command line, which appears to be the case with the Ubuntu kernel packaging system, so use KBUILD_CFLAGS_MODULE instead. Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Fixes: df057cc7 ("arm64: errata: add module build workaround for erratum #843419") Reported-by:
Dann Frazier <dann.frazier@canonical.com> Tested-by:
Will Deacon <will.deacon@arm.com> Signed-off-by:
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Ben Skeggs authored
commit f231976c upstream. We need to do this in order to prevent accesses to the device while it's powered down. Userspace may have an mmap of the fb, and there's no good way (that I know of) to prevent it from touching the device otherwise. This fixes some nasty races between runpm and plymouth on some systems, which result in the GPU getting very upset and hanging the boot. Signed-off-by:
Ben Skeggs <bskeggs@redhat.com> Signed-off-by:
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Dave Kleikamp authored
commit a66d7f72 upstream. Some of the crypto algorithms write to the initialization vector, but no space has been allocated for it. This clobbers adjacent memory. Signed-off-by:
Dave Kleikamp <dave.kleikamp@oracle.com> Signed-off-by:
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- 30 Oct, 2015 14 commits
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Alex Deucher authored
commit 51a4726b upstream. They were added relatively early in the driver init process which meant that in some cases the driver was not finished initializing before external tools tried to use them which could result in a crash depending on the timing. Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Shaohua Li authored
commit 874bbfe6 upstream. My system keeps crashing with below message. vmstat_update() schedules a delayed work in current cpu and expects the work runs in the cpu. schedule_delayed_work() is expected to make delayed work run in local cpu. The problem is timer can be migrated with NO_HZ. __queue_work() queues work in timer handler, which could run in a different cpu other than where the delayed work is scheduled. The end result is the delayed work runs in different cpu. The patch makes __queue_delayed_work records local cpu earlier. Where the timer runs doesn't change where the work runs with the change. [ 28.010131] ------------[ cut here ]------------ [ 28.010609] kernel BUG at ../mm/vmstat.c:1392! [ 28.011099] invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN [ 28.011860] Modules linked in: [ 28.012245] CPU: 0 PID: 289 Comm: kworker/0:3 Tainted: G W4.3.0-rc3+ #634 [ 28.013065] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140709_153802- 04/01/2014 [ 28.014160] Workqueue: events vmstat_update [ 28.014571] task: ffff880117682580 ti: ffff8800ba428000 task.ti: ffff8800ba428000 [ 28.015445] RIP: 0010:[<ffffffff8115f921>] [<ffffffff8115f921>]vmstat_update+0x31/0x80 [ 28.016282] RSP: 0018:ffff8800ba42fd80 EFLAGS: 00010297 [ 28.016812] RAX: 0000000000000000 RBX: ffff88011a858dc0 RCX:0000000000000000 [ 28.017585] RDX: ffff880117682580 RSI: ffffffff81f14d8c RDI:ffffffff81f4df8d [ 28.018366] RBP: ffff8800ba42fd90 R08: 0000000000000001 R09:0000000000000000 [ 28.019169] R10: 0000000000000000 R11: 0000000000000121 R12:ffff8800baa9f640 [ 28.019947] R13: ffff88011a81e340 R14: ffff88011a823700 R15:0000000000000000 [ 28.020071] FS: 0000000000000000(0000) GS:ffff88011a800000(0000)knlGS:0000000000000000 [ 28.020071] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 28.020071] CR2: 00007ff6144b01d0 CR3: 00000000b8e93000 CR4:00000000000006f0 [ 28.020071] Stack: [ 28.020071] ffff88011a858dc0 ffff8800baa9f640 ffff8800ba42fe00ffffffff8106bd88 [ 28.020071] ffffffff8106bd0b 0000000000000096 0000000000000000ffffffff82f9b1e8 [ 28.020071] ffffffff829f0b10 0000000000000000 ffffffff81f18460ffff88011a81e340 [ 28.020071] Call Trace: [ 28.020071] [<ffffffff8106bd88>] process_one_work+0x1c8/0x540 [ 28.020071] [<ffffffff8106bd0b>] ? process_one_work+0x14b/0x540 [ 28.020071] [<ffffffff8106c214>] worker_thread+0x114/0x460 [ 28.020071] [<ffffffff8106c100>] ? process_one_work+0x540/0x540 [ 28.020071] [<ffffffff81071bf8>] kthread+0xf8/0x110 [ 28.020071] [<ffffffff81071b00>] ?kthread_create_on_node+0x200/0x200 [ 28.020071] [<ffffffff81a6522f>] ret_from_fork+0x3f/0x70 [ 28.020071] [<ffffffff81071b00>] ?kthread_create_on_node+0x200/0x200 Signed-off-by:
Shaohua Li <shli@fb.com> Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Christoph Hellwig authored
commit 15e3d5a2 upstream. 3w controller don't dma map small single SGL entry commands but instead bounce buffer them. Add a helper to identify these commands and don't call scsi_dma_unmap for them. Based on an earlier patch from James Bottomley. Fixes: 118c85 ("3w-9xxx: fix command completion race") Reported-by:
Tóth Attila <atoth@atoth.sote.hu> Tested-by:
Christoph Hellwig <hch@lst.de> Acked-by:
Adam Radford <aradford@gmail.com> Signed-off-by:
James Bottomley <JBottomley@Odin.com> Signed-off-by:
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Joe Thornber authored
commit 2bffa150 upstream. The cleaner policy doesn't make use of the per cache block hint space in the metadata (unlike the other policies). When switching from the cleaner policy to mq or smq a NULL pointer crash (in dm_tm_new_block) was observed. The crash was caused by bugs in dm-cache-metadata.c when trying to skip creation of the hint btree. The minimal fix is to change hint size for the cleaner policy to 4 bytes (only hint size supported). Signed-off-by:
Joe Thornber <ejt@redhat.com> Signed-off-by:
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Peter Zijlstra authored
commit 95913d97 upstream. So the problem this patch is trying to address is as follows: CPU0 CPU1 context_switch(A, B) ttwu(A) LOCK A->pi_lock A->on_cpu == 0 finish_task_switch(A) prev_state = A->state <-. WMB | A->on_cpu = 0; | UNLOCK rq0->lock | | context_switch(C, A) `-- A->state = TASK_DEAD prev_state == TASK_DEAD put_task_struct(A) context_switch(A, C) finish_task_switch(A) A->state == TASK_DEAD put_task_struct(A) The argument being that the WMB will allow the load of A->state on CPU0 to cross over and observe CPU1's store of A->state, which will then result in a double-drop and use-after-free. Now the comment states (and this was true once upon a long time ago) that we need to observe A->state while holding rq->lock because that will order us against the wakeup; however the wakeup will not in fact acquire (that) rq->lock; it takes A->pi_lock these days. We can obviously fix this by upgrading the WMB to an MB, but that is expensive, so we'd rather avoid that. The alternative this patch takes is: smp_store_release(&A->on_cpu, 0), which avoids the MB on some archs, but not important ones like ARM. Reported-by:
Oleg Nesterov <oleg@redhat.com> Signed-off-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by:
Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Cc: manfred@colorfullife.com Cc: will.deacon@arm.com Fixes: e4a52bcb ("sched: Remove rq->lock from the first half of ttwu()") Link: http://lkml.kernel.org/r/20150929124509.GG3816@twins.programming.kicks-ass.netSigned-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Mark Salyzyn authored
commit 569ba74a upstream. This is the arm64 portion of commit 45cac65b ("readahead: fault retry breaks mmap file read random detection"), which was absent from the initial port and has since gone unnoticed. The original commit says: > .fault now can retry. The retry can break state machine of .fault. In > filemap_fault, if page is miss, ra->mmap_miss is increased. In the second > try, since the page is in page cache now, ra->mmap_miss is decreased. And > these are done in one fault, so we can't detect random mmap file access. > > Add a new flag to indicate .fault is tried once. In the second try, skip > ra->mmap_miss decreasing. The filemap_fault state machine is ok with it. With this change, Mark reports that: > Random read improves by 250%, sequential read improves by 40%, and > random write by 400% to an eMMC device with dm crypto wrapped around it. Cc: Shaohua Li <shli@kernel.org> Cc: Rik van Riel <riel@redhat.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by:
Mark Salyzyn <salyzyn@android.com> Signed-off-by:
Riley Andrews <riandrews@android.com> Signed-off-by:
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Takashi Iwai authored
commit 225db576 upstream. When OSS emulation is loaded on ISA SB AWE32 chip, we get now kernel warnings like: WARNING: CPU: 0 PID: 2791 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x51/0x80() sysfs: cannot create duplicate filename '/devices/isa/sbawe.0/sound/card0/seq-oss-0-0' It's because both emux synth and opl3 drivers try to register their OSS device object with the same static index number 0. This hasn't been a big problem until the recent rewrite of device management code (that exposes sysfs at the same time), but it's been an obvious bug. This patch works around it just by using a different index number of emux synth object. There can be a more elegant way to fix, but it's enough for now, as this code won't be touched so often, in anyway. Reported-and-tested-by:
Michael Shell <list1@michaelshell.org> Signed-off-by:
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covici@ccs.covici.com authored
commit b1d562ac upstream. Here is a patch to make speakup-r work again. It broke in 3.6 due to commit 4369c64c "Input: Send events one packet at a time) The problem was that the fakekey.c routine to fake a down arrow no longer functioned properly and putting the input_sync fixed it. Fixes: 4369c64cAcked-by:
Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by:
John Covici <covici@ccs.covici.com> Signed-off-by:
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Vincent Palatin authored
commit 72194739 upstream. Add a device quirk for the Logitech PTZ Pro Camera and its sibling the ConferenceCam CC3000e Camera. This fixes the failed camera enumeration on some boot, particularly on machines with fast CPU. Tested by connecting a Logitech PTZ Pro Camera to a machine with a Haswell Core i7-4600U CPU @ 2.10GHz, and doing thousands of reboot cycles while recording the kernel logs and taking camera picture after each boot. Before the patch, more than 7% of the boots show some enumeration transfer failures and in a few of them, the kernel is giving up before actually enumerating the webcam. After the patch, the enumeration has been correct on every reboot. Signed-off-by:
Vincent Palatin <vpalatin@chromium.org> Signed-off-by:
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Yao-Wen Mao authored
commit 8484bf29 upstream. These two headphones need a reset-resume quirk to properly resume to original volume level. Signed-off-by:
Yao-Wen Mao <yaowen@google.com> Signed-off-by:
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John Flatness authored
commit e8ff581f upstream. The MacBookPro 12,1 has the same setup as the 11 for controlling the status of the optical audio light. Simply apply the existing workaround to the subsystem ID for the 12,1. [sorted the fixup entry by tiwai] Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=105401Signed-off-by:
John Flatness <john@zerocrates.org> Signed-off-by:
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Laura Abbott authored
commit d05ea7da upstream. Much like all the other Lenovo laptops, add a quirk to make sound work with docking. Reported-and-tested-by: lacknerflo@gmail.com Signed-off-by:
Laura Abbott <labbott@fedoraproject.org> Signed-off-by:
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Mikulas Patocka authored
commit 042745ee upstream. Commit 3a0f9aae ("dm raid: round region_size to power of two") intended to make sure that the default region size is a power of two. However, the logic in that commit is incorrect and sets the variable region_size to 0 or 1, depending on whether min_region_size is a power of two. Fix this logic, using roundup_pow_of_two(), so that region_size is properly rounded up to the next power of two. Signed-off-by:
Mikulas Patocka <mpatocka@redhat.com> Fixes: 3a0f9aae ("dm raid: round region_size to power of two") Signed-off-by:
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Yitian Bu authored
commit 4873867e upstream. from Designware I2S datasheet, tx/rx XRUN irq is cleared by reading register TOR/ROR, rather than by writing into them. Signed-off-by:
Yitian Bu <yitian.bu@tangramtek.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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