- 12 Jan, 2017 40 commits
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Noa Osherovich authored
commit d76d2fe0 upstream. Change Mellanox's broken_intx_masking() quirk from an "all Mellanox devices" to a quirk for listed devices only. [bhelgaas: remove #defines, reorder to keep other quirks together] Signed-off-by:
Noa Osherovich <noaos@mellanox.com> Signed-off-by:
Bjorn Helgaas <bhelgaas@google.com> Reviewed-by:
Or Gerlitz <ogerlitz@mellanox.com> Reviewed-by:
Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Noa Osherovich authored
commit b88214ce upstream. Convert all quirk_broken_intx_masking() quirks from HEADER to FINAL. The quirk sets dev->broken_intx_masking, which is only used by pci_intx_mask_supported(), which is not needed until after FINAL quirks have been run. [bhelgaas: changelog] Signed-off-by:
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Noa Osherovich authored
commit 72543833 upstream. Add Mellanox device IDs for use by the mlx4 driver and INTx quirks. [bhelgaas: sorted and adapted from http://lkml.kernel.org/r/1478011644-12080-1-git-send-email-noaos@mellanox.com] Signed-off-by:
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Brian Norris authored
commit a45e2611 upstream. We're trying to mask out bits[23:8] while retaining [32:24, 7:0], but we're doing the inverse. That doesn't have too much effect, since we're setting all the [23:8] bits to 1, and the other bits are only relevant for modes we're currently not using. But we should get this right. Fixes: ca198908 ("PCI: rockchip: Fix wrong transmitted FTS count") Signed-off-by:
Brian Norris <briannorris@chromium.org> Signed-off-by:
Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by:
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Shawn Lin authored
commit 45e9320f upstream. The calculation of negotiated lanes is wrong: it should be shifted by PCIE_CORE_PL_CONF_LANE_SHIFT, but it is shifted by PCIE_CORE_PL_CONF_LANE_MASK instead. Let's fix it. Fixes: e77f847d ("PCI: rockchip: Add Rockchip PCIe controller support") Signed-off-by:
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Dan Carpenter authored
commit c4a407b9 upstream. We should unlock before returning this error code in vpfe_reqbufs(). Fixes: 622897da ("[media] davinci: vpfe: add v4l2 video driver support") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by:
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Arnd Bergmann authored
commit 230436b3 upstream. gcc is unsure about the use of last_ofs_in_node, which might happen without a prior initialization: fs/f2fs//git/arm-soc/fs/f2fs/data.c: In function ‘f2fs_map_blocks’: fs/f2fs/data.c:799:54: warning: ‘last_ofs_in_node’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (prealloc && dn.ofs_in_node != last_ofs_in_node + 1) { As pointed out by Chao Yu, the code is actually correct as 'prealloc' is only set if the last_ofs_in_node has been set, the two always get updated together. This initializes last_ofs_in_node to dn.ofs_in_node for each new dnode at the start of the 'next_block' loop, which at that point is a correct initialization as well. I assume that compilers that correctly track the contents of the variables and do not warn about the condition also figure out that they can eliminate the extra assignment here. Fixes: 46008c6d ("f2fs: support in batch multi blocks preallocation") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by:
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Jaegeuk Kim authored
commit 35782b23 upstream. This patch removes percpu_count usage due to performance regression in iozone. Fixes: 523be8a6 ("f2fs: use percpu_counter for page counters") Signed-off-by:
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NeilBrown authored
commit e2342ca8 upstream. md_open() gets a counted reference on an mddev using mddev_find(). If it ends up returning an error, it must drop this reference. There are two error paths where the reference is not dropped. One only happens if the process is signalled and an awkward time, which is quite unlikely. The other was introduced recently in commit af8d8e6f. Change the code to ensure the drop the reference when returning an error, and make it harded to re-introduce this sort of bug in the future. Reported-by:
Marc Smith <marc.smith@mcc.edu> Fixes: af8d8e6f ("md: changes for MD_STILL_CLOSED flag") Signed-off-by:
NeilBrown <neilb@suse.com> Acked-by:
Guoqing Jiang <gqjiang@suse.com> Signed-off-by:
Shaohua Li <shli@fb.com> Signed-off-by:
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Shaohua Li authored
commit 82a301cb upstream. Fixes: 90f5f7ad("md: Wait for md_check_recovery before attempting device removal.") Reviewed-by:
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Ard Biesheuvel authored
commit 1803b9a5 upstream. The core AES cipher implementation that uses ARMv8 Crypto Extensions instructions erroneously loads the round keys as 64-bit quantities, which causes the algorithm to fail when built for big endian. In addition, the key schedule generation routine fails to take endianness into account as well, when loading the combining the input key with the round constants. So fix both issues. Fixes: 12ac3efe ("arm64/crypto: use crypto instructions to generate AES key schedule") Signed-off-by:
Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Ard Biesheuvel authored
commit caf4b9e2 upstream. Emit the XTS tweak literal constants in the appropriate order for a single 128-bit scalar literal load. Fixes: 49788fe2 ("arm64/crypto: AES-ECB/CBC/CTR/XTS using ARMv8 NEON and Crypto Extensions") Signed-off-by:
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Ard Biesheuvel authored
commit ee71e5f1 upstream. The SHA1 digest is an array of 5 32-bit quantities, so we should refer to them as such in order for this code to work correctly when built for big endian. So replace 16 byte scalar loads and stores with 4x4 vector ones where appropriate. Fixes: 2c98833a ("arm64/crypto: SHA-1 using ARMv8 Crypto Extensions") Signed-off-by:
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Ard Biesheuvel authored
commit a2c435cc upstream. The AES implementation using pure NEON instructions relies on the generic AES key schedule generation routines, which store the round keys as arrays of 32-bit quantities stored in memory using native endianness. This means we should refer to these round keys using 4x4 loads rather than 16x1 loads. In addition, the ShiftRows tables are loading using a single scalar load, which is also affected by endianness, so emit these tables in the correct order depending on whether we are building for big endian or not. Fixes: 49788fe2 ("arm64/crypto: AES-ECB/CBC/CTR/XTS using ARMv8 NEON and Crypto Extensions") Signed-off-by:
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Ard Biesheuvel authored
commit 56e4e76c upstream. The AES-CCM implementation that uses ARMv8 Crypto Extensions instructions refers to the AES round keys as pairs of 64-bit quantities, which causes failures when building the code for big endian. In addition, it byte swaps the input counter unconditionally, while this is only required for little endian builds. So fix both issues. Fixes: 12ac3efe ("arm64/crypto: use crypto instructions to generate AES key schedule") Signed-off-by:
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Ard Biesheuvel authored
commit 58010fa6 upstream. The AES key schedule generation is mostly endian agnostic, with the exception of the rotation and the incorporation of the round constant at the start of each round. So implement a big endian specific version of that part to make the whole routine big endian compatible. Fixes: 86464859 ("crypto: arm - AES in ECB/CBC/CTR/XTS modes using ARMv8 Crypto Extensions") Signed-off-by:
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Ard Biesheuvel authored
commit 9c433ad5 upstream. The GHASH key and digest are both pairs of 64-bit quantities, but the GHASH code does not always refer to them as such, causing failures when built for big endian. So replace the 16x1 loads and stores with 2x8 ones. Fixes: b913a640 ("arm64/crypto: improve performance of GHASH algorithm") Signed-off-by:
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Ard Biesheuvel authored
commit 174122c3 upstream. The SHA256 digest is an array of 8 32-bit quantities, so we should refer to them as such in order for this code to work correctly when built for big endian. So replace 16 byte scalar loads and stores with 4x32 vector ones where appropriate. Fixes: 6ba6c74d ("arm64/crypto: SHA-224/SHA-256 using ARMv8 Crypto Extensions") Signed-off-by:
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Dan Carpenter authored
commit 9e6e7c74 upstream. We added some new locking but forgot to unlock on error. Fixes: 57127645 ("s390/zcrypt: Introduce new SHA-512 based Pseudo Random Generator.") Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Ming Ling authored
commit 6afcf8ef upstream. Since commit bda807d4 ("mm: migrate: support non-lru movable page migration") isolate_migratepages_block) can isolate !PageLRU pages which would acct_isolated account as NR_ISOLATED_*. Accounting these non-lru pages NR_ISOLATED_{ANON,FILE} doesn't make any sense and it can misguide heuristics based on those counters such as pgdat_reclaimable_pages resp. too_many_isolated which would lead to unexpected stalls during the direct reclaim without any good reason. Note that __alloc_contig_migrate_range can isolate a lot of pages at once. On mobile devices such as 512M ram android Phone, it may use a big zram swap. In some cases zram(zsmalloc) uses too many non-lru but migratedable pages, such as: MemTotal: 468148 kB Normal free:5620kB Free swap:4736kB Total swap:409596kB ZRAM: 164616kB(zsmalloc non-lru pages) active_anon:60700kB inactive_anon:60744kB active_file:34420kB inactive_file:37532kB Fix this by only accounting lru pages to NR_ISOLATED_* in isolate_migratepages_block right after they were isolated and we still know they were on LRU. Drop acct_isolated because it is called after the fact and we've lost that information. Batching per-cpu counter doesn't make much improvement anyway. Also make sure that we uncharge only LRU pages when putting them back on the LRU in putback_movable_pages resp. when unmap_and_move migrates the page. [mhocko@suse.com: replace acct_isolated() with direct counting] Fixes: bda807d4 ("mm: migrate: support non-lru movable page migration") Link: http://lkml.kernel.org/r/20161019080240.9682-1-mhocko@kernel.orgSigned-off-by:
Ming Ling <ming.ling@spreadtrum.com> Signed-off-by:
Michal Hocko <mhocko@suse.com> Acked-by:
Minchan Kim <minchan@kernel.org> Acked-by:
Vlastimil Babka <vbabka@suse.cz> Cc: Mel Gorman <mgorman@suse.de> Cc: Joonsoo Kim <js1304@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Johannes Weiner authored
commit 59749e6c upstream. The radix tree counts valid entries in each tree node. Entries stored in the tree cannot be removed by simpling storing NULL in the slot or the internal counters will be off and the node never gets freed again. When collapsing a shmem page fails, restore the holes that were filled with radix_tree_insert() with a proper radix tree deletion. Fixes: f3f0e1d2 ("khugepaged: add support of collapse for tmpfs/shmem pages") Link: http://lkml.kernel.org/r/20161117191138.22769-3-hannes@cmpxchg.orgSigned-off-by:
Johannes Weiner <hannes@cmpxchg.org> Reported-by:
Jan Kara <jack@suse.cz> Acked-by:
Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by:
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Johannes Weiner authored
commit 91a45f71 upstream. Patch series "mm: workingset: radix tree subtleties & single-page file refaults", v3. This is another revision of the radix tree / workingset patches based on feedback from Jan and Kirill. This is a follow-up to d3798ae8 ("mm: filemap: don't plant shadow entries without radix tree node"). That patch fixed an issue that was caused mainly by the page cache sneaking special shadow page entries into the radix tree and relying on subtleties in the radix tree code to make that work. The fix also had to stop tracking refaults for single-page files because shadow pages stored as direct pointers in radix_tree_root->rnode weren't properly handled during tree extension. These patches make the radix tree code explicitely support and track such special entries, to eliminate the subtleties and to restore the thrash detection for single-page files. This patch (of 9): When a radix tree iteration drops the tree lock, another thread might swoop in and free the node holding the current slot. The iteration needs to do another tree lookup from the current index to continue. [kirill.shutemov@linux.intel.com: re-lookup for replacement] Fixes: f3f0e1d2 ("khugepaged: add support of collapse for tmpfs/shmem pages") Link: http://lkml.kernel.org/r/20161117191138.22769-2-hannes@cmpxchg.orgSigned-off-by:
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Mauro Carvalho Chehab authored
commit e2a91f4f upstream. PDF build on Kernel 4.9-rc? returns an error with Sphinx 1.3.x and Sphinx 1.4.x, when trying to solve some cross-references. The solution is to redefine the \DURole macro. However, this is redefined too late. Move such redefinition to LaTeX preamble and bind it to just the Sphinx versions where the error is known to be present. Tested by building the documentation on interactive mode: make PDFLATEX=xelatex -C Documentation/output/./latex Fixes: e61a39ba ("[media] index.rst: Fix LaTeX error in interactive mode on Sphinx 1.4.x") Signed-off-by:
Jonathan Corbet <corbet@lwn.net> Signed-off-by:
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Aneesh Kumar K.V authored
commit 3999f52e upstream. We cannot use the pte value used in set_pte_at for pte_same comparison, because archs like ppc64, filter/add new pte flag in set_pte_at. Instead fetch the pte value inside hugetlb_cow. We are comparing pte value to make sure the pte didn't change since we dropped the page table lock. hugetlb_cow get called with page table lock held, and we can take a copy of the pte value before we drop the page table lock. With hugetlbfs, we optimize the MAP_PRIVATE write fault path with no previous mapping (huge_pte_none entries), by forcing a cow in the fault path. This avoid take an addition fault to covert a read-only mapping to read/write. Here we were comparing a recently instantiated pte (via set_pte_at) to the pte values from linux page table. As explained above on ppc64 such pte_same check returned wrong result, resulting in us taking an additional fault on ppc64. Fixes: 6a119eae ("powerpc/mm: Add a _PAGE_PTE bit") Link: http://lkml.kernel.org/r/20161018154245.18023-1-aneesh.kumar@linux.vnet.ibm.comSigned-off-by:
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Reported-by:
Jan Stancek <jstancek@redhat.com> Acked-by:
Hillf Danton <hillf.zj@alibaba-inc.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Scott Wood <scottwood@freescale.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by:
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Bjorn Andersson authored
commit 1d74e7ed upstream. qcom_smd_send() should return -EAGAIN for non-blocking channels with insufficient space, so that we can propagate this event to user space. Fixes: 53e2822e ("rpmsg: Introduce Qualcomm SMD backend") Signed-off-by:
Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by:
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Dan Carpenter authored
commit 16652a93 upstream. We never set "ret" to RESULT_OK. Fixes: 9f9c4180 ("mmc: mmc_test: add test for non-blocking transfers") Signed-off-by:
Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by:
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Guilherme G. Piccoli authored
commit c0af5243 upstream. Commit 34c3d981 ("genirq/affinity: Provide smarter irq spreading infrastructure") introduced a better IRQ spreading mechanism, taking account of the available NUMA nodes in the machine. Problem is that the algorithm of retrieving the nodemask iterates "linearly" based on the number of online nodes - some architectures present non-linear node distribution among the nodemask, like PowerPC. If this is the case, the algorithm lead to a wrong node count number and therefore to a bad/incomplete IRQ affinity distribution. For example, this problem were found in a machine with 128 CPUs and two nodes, namely nodes 0 and 8 (instead of 0 and 1, if it was linearly distributed). This led to a wrong affinity distribution which then led to a bad mq allocation for nvme driver. Finally, we take the opportunity to fix a comment regarding the affinity distribution when we have _more_ nodes than vectors. Fixes: 34c3d981 ("genirq/affinity: Provide smarter irq spreading infrastructure") Reported-by:
Gabriel Krisman Bertazi <gabriel@krisman.be> Signed-off-by:
Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com> Reviewed-by:
Christoph Hellwig <hch@lst.de> Reviewed-by:
Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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Tony Lindgren authored
commit bed57030 upstream. I noticed some wakeirq flakeyness with consumer drivers not using autosuspend. For drivers not using autosuspend, the wakeirq may never get unmasked in rpm_suspend() because of irq desc->depth. We are configuring dedicated wakeirqs to start with IRQ_NOAUTOEN as we naturally don't want them running until rpm_suspend() is called. However, when a consumer driver initially calls pm_runtime_get(), we now wrongly start with disable_irq_nosync() call on the dedicated wakeirq that is disabled to start with. This causes desc->depth to toggle between 1 and 2 instead of the usual 0 and 1. This can prevent enable_irq() from unmasking the wakeirq as that only happens at desc->depth 1. This does not necessarily show up with drivers using autosuspend as there is time for disable_irq_nosync() before rpm_suspend() gets called after the autosuspend timeout. Let's fix the issue by adding wirq->status that lazily gets set on the first rpm_suspend(). We also need PM runtime core private functions for dev_pm_enable_wake_irq_check() and dev_pm_disable_wake_irq_check() so we can enable the dedicated wakeirq on the first rpm_suspend(). While at it, let's also fix the comments for dev_pm_enable_wake_irq() and dev_pm_disable_wake_irq(). Those can still be used by the consumer drivers as needed because the IRQ core manages the interrupt usecount for us. Fixes: 4990d4fe (PM / Wakeirq: Add automated device wake IRQ handling) Signed-off-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
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Florian Fainelli authored
commit 34c53579 upstream. We did not implement an irq_cpu_offline callback for our irqchip, yet we support setting a given IRQ's affinity. This resulted in interrupts whose affinity mask included CPUs being taken offline not to work correctly once the CPU had been put offline. Fixes: 5f7f0317 ("IRQCHIP: Add new driver for BCM7038-style level 1 interrupt controllers") Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Cc: linux-mips@linux-mips.org Cc: jason@lakedaemon.net Cc: marc.zyngier@arm.com Cc: cernekee@gmail.com Cc: jaedon.shin@gmail.com Cc: ralf@linux-mips.org Cc: justinpopo6@gmail.com Link: http://lkml.kernel.org/r/1477948656-12966-2-git-send-email-f.fainelli@gmail.comSigned-off-by:
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Jan Beulich authored
commit d1d111e0 upstream. If msi_setup_entry() fails to allocate an affinity mask, it logs a message but continues on and allocates an MSI entry with entry->affinity == NULL. Check for this case in pci_irq_get_affinity() so we don't try to dereference a NULL pointer. [bhelgaas: changelog] Fixes: ee8d41e5 "pci/msi: Retrieve affinity for a vector" Signed-off-by:
Jan Beulich <jbeulich@suse.com> Signed-off-by:
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Eric Richter authored
commit 9a11a189 upstream. When the "policy" securityfs file is opened for read, it is opened as a sequential file. However, when it is eventually released, there is no cleanup for the sequential file, therefore some memory is leaked. This patch adds a call to seq_release() in ima_release_policy() to clean up the memory when the file is opened for read. Fixes: 80eae209 IMA: allow reading back the current policy Reported-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
Eric Richter <erichte@linux.vnet.ibm.com> Tested-by:
Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by:
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Dan Carpenter authored
commit 9a29d0fb upstream. Smatch complains that we started using the array offset before we checked that it was valid. Fixes: 017c59c0 ('relay: Use per CPU constructs for the relay channel buffer pointers') Link: http://lkml.kernel.org/r/20161013084947.GC16198@mwandaSigned-off-by:
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Bart Van Assche authored
commit 8456066a upstream. Pass a task state as second argument to percpu_ida_alloc(). Fixes: commit 5a3ee221 ("sbp-target: Conversion to percpu_ida tag pre-allocation") Signed-off-by:
Bart Van Assche <bart.vanassche@sandisk.com> Cc: Chris Boot <bootc@bootc.net> Signed-off-by:
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Dan Carpenter authored
commit a91918cd upstream. This iscsit_tpg_add_portal_group() function is only called from lio_target_tiqn_addtpg(). Both functions free the "tpg" pointer on error so it's a double free bug. The memory is allocated in the caller so it should be freed in the caller and not here. Fixes: e48354ce ("iscsi-target: Add iSCSI fabric support for target v4.1") Signed-off-by:
David Disseldorp <ddiss@suse.de> [ bvanassche: Added "Fix" at start of patch title ] Signed-off-by:
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Arnd Bergmann authored
commit af15769f upstream. gcc-7 notices that the condition in mvs_94xx_command_active looks suspicious: drivers/scsi/mvsas/mv_94xx.c: In function 'mvs_94xx_command_active': drivers/scsi/mvsas/mv_94xx.c:671:15: error: '<<' in boolean context, did you mean '<' ? [-Werror=int-in-bool-context] This was introduced when the mv_printk() statement got added, and leads to the condition being ignored. This is probably harmless. Changing '&&' to '&' makes the code look reasonable, as we check the command bit before setting and printing it. Fixes: a4632aae ("[SCSI] mvsas: Add new macros and functions") Signed-off-by:
Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
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Ondrej Zary authored
commit 7b93ca43 upstream. When a SW-configurable card is specified but not found, the driver releases wrong region, causing the following message in kernel log: Trying to free nonexistent resource <0000000000000000-000000000000000f> Fix it by assigning base earlier. Signed-off-by:
Ondrej Zary <linux@rainbow-software.org> Fixes: a8cfbcae ("scsi: g_NCR5380: Stop using scsi_module.c") Signed-off-by:
Finn Thain <fthain@telegraphics.com.au> Signed-off-by:
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Charles Keepax authored
commit 5faf071d upstream. Unfortunately, I seem to have missed a case where an IRQ safe spinlock was required, in samsung_i2s_dai_remove, when I fixed up the other calls in this patch: 316fa9e0 ("ASoC: samsung: Use IRQ safe spin lock calls") This causes a lockdep warning when unbinding and rebinding the audio card: [ 104.357664] CPU0 CPU1 [ 104.362174] ---- ---- [ 104.366692] lock(&(&pri_dai->spinlock)->rlock); [ 104.371372] local_irq_disable(); [ 104.377283] lock(&(&substream->self_group.lock)->rlock); [ 104.385259] lock(&(&pri_dai->spinlock)->rlock); [ 104.392469] <Interrupt> [ 104.395072] lock(&(&substream->self_group.lock)->rlock); [ 104.400710] [ 104.400710] *** DEADLOCK *** Fixes: ce8bcdbb ("ASoC: samsung: i2s: Protect more registers with a spinlock") Signed-off-by:
Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Reviewed-by:
Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by:
Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Dan Carpenter authored
commit c8eabf82 upstream. "*val" is a u64. It definitely looks like we intend to use the high 32 bits as well. Fixes: 700a9a63 ("ASoC: Intel: Skylake: Add module instance id generation APIs") Signed-off-by:
Vinod Koul <vinod.koul@intel.com> Tested-by:
Kranthi G <gudishax.kranthikumar@intel.com> Signed-off-by:
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Takashi Iwai authored
commit a823a179 upstream. cht_bsw_rt5645 driver allocates the own codec_id string but doesn't release it. For simplicity, put the string in cht_mc_private; then the string is allocated in a shot and released altogether. Fixes: c8560b7c ("ASoC: cht_bsw_rt5645: Fix writing to string literal") Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Arnd Bergmann authored
commit 3b89e4b7 upstream. A bugfix accidentally removed the implicit initialization of the dma channel number, causing undefined behavior when v->alloc_dma_channel is NULL: sound/soc/qcom/lpass-platform.c: In function ‘lpass_platform_pcmops_open’: sound/soc/qcom/lpass-platform.c:83:29: error: ‘dma_ch’ may be used uninitialized in this function [-Werror=maybe-uninitialized] This adds back an explicit initialization to zero, restoring the previous behavior for that case. Fixes: 022d00ee ("ASoC: lpass-platform: Fix broken pcm data usage") Signed-off-by:
Kenneth Westfield <kwestfie@codeaurora.org> Signed-off-by:
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