- 29 Oct, 2014 7 commits
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block layer fixes from Jens Axboe: "A small collection of fixes for the current kernel. This contains: - Two error handling fixes from Jan Kara. One for null_blk on failure to add a device, and the other for the block/scsi_ioctl SCSI_IOCTL_SEND_COMMAND fixing up the error jump point. - A commit added in the merge window for the bio integrity bits unfortunately disabled merging for all requests if CONFIG_BLK_DEV_INTEGRITY wasn't set. Reverse the logic, so that integrity checking wont disallow merges when not enabled. - A fix from Ming Lei for merging and generating too many segments. This caused a BUG in virtio_blk. - Two error handling printk() fixups from Robert Elliott, improving the information given when we rate limit. - Error handling fixup on elevator_init() failure from Sudip Mukherjee. - A fix from Tony Battersby, fixing up a memory leak in the scatterlist handling with scsi-mq" * 'for-linus' of git://git.kernel.dk/linux-block: block: Fix merge logic when CONFIG_BLK_DEV_INTEGRITY is not defined lib/scatterlist: fix memory leak with scsi-mq block: fix wrong error return in elevator_init() scsi: Fix error handling in SCSI_IOCTL_SEND_COMMAND null_blk: Cleanup error recovery in null_add_dev() blk-merge: recaculate segment if it isn't less than max segments fs: clarify rate limit suppressed buffer I/O errors fs: merge I/O error prints into one line
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hidLinus Torvalds authored
Pull HID fixes from Jiri Kosina: - workarounds for a couple of misbehaving Elan Touchscreens, by Adel Gadllah - fix for TransducerSerialNumber field implementation, by Jason Gerecke - a couple of new HID usages (added by HUT), by Olivier Gay * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: input: Fix TransducerSerialNumber implementation HID: add keyboard input assist hid usages HID: usbhid: enable always-poll quirk for Elan Touchscreen 016f HID: usbhid: enable always-poll quirk for Elan Touchscreen 009b
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-securityLinus Torvalds authored
Pull Integrity subsystem fix from James Morris: "These changes fix a bug in xattr handling, where the evm and ima inode_setxattr() functions do not check for empty xattrs being passed from userspace (leading to user-triggerable null pointer dereferences)" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: evm: check xattr value length and type in evm_inode_setxattr() ima: check xattr value length and type in the ima_inode_setxattr()
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git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linuxLinus Torvalds authored
Pull powerpc updates from Michael Ellerman: "There's some bug fixes or cleanups to facilitate fixes, a MAINTAINERS update, and a new syscall (bpf)" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: powerpc/numa: ensure per-cpu NUMA mappings are correct on topology update powerpc/numa: use cached value of update->cpu in update_cpu_topology cxl: Fix PSL error due to duplicate segment table entries powerpc/mm: Use appropriate ESID mask in copro_calculate_slb() cxl: Refactor cxl_load_segment() and find_free_sste() cxl: Disable secondary hash in segment table Revert "powerpc/powernv: Fix endian bug in LPC bus debugfs accessors" powernv: Use _GLOBAL_TOC for opal wrappers powerpc: Wire up sys_bpf() syscall MAINTAINERS: nx-842 driver maintainer change powerpc/mm: Remove redundant #if case powerpc/mm: Fix build error with hugetlfs disabled
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Jason Gerecke authored
The commit which introduced TransducerSerialNumber (368c9664) is missing two crucial implementation details. Firstly, the commit does not set the type/code/bit/max fields as expected later down the code which can cause the driver to crash when a tablet with this usage is connected. Secondly, the call to 'set_bit' causes MSC_PULSELED to be sent instead of the expected MSC_SERIAL. This commit addreses both issues. Signed-off-by:
Jason Gerecke <jason.gerecke@wacom.com> Reviewed-by:
Benjamin Tissoires <benjamin.tissoires@redhat.com> Reviewed-by:
Ping Cheng <pingc@wacom.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz>
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James Morris authored
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity into for-linus
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Martin K. Petersen authored
Commit 4eaf99be switched to returning bool and as a result reversed the logic of the integrity merge checks. However, the empty stubs used when the block integrity code is compiled out were still returning 0. Make these stubs return "true". Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Reported-by:
Michael L. Semon <mlsemon35@gmail.com> Tested-by:
Michael L. Semon <mlsemon35@gmail.com> Signed-off-by:
Jens Axboe <axboe@fb.com>
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- 28 Oct, 2014 14 commits
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Nishanth Aravamudan authored
We received a report of warning in kernel/sched/core.c where the sched group was NULL on an LPAR after a topology update. This seems to occur because after the topology update has moved the CPUs, cpu_to_node is returning the old value still, which ends up breaking the consistency of the NUMA topology in the per-cpu maps. Ensure that we update the per-cpu fields when we re-map CPUs. Signed-off-by:
Nishanth Aravamudan <nacc@linux.vnet.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
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Nishanth Aravamudan authored
There isn't any need to keep referring to update->cpu, as we've already checked cpu == update->cpu at this point. Signed-off-by:
Nishanth Aravamudan <nacc@linux.vnet.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
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git://linux-nfs.org/~bfields/linuxLinus Torvalds authored
Pull two nfsd fixes from Bruce Fields: "One regression from the 3.16 xdr rewrite, one an older bug exposed by a separate bug in the client's new SEEK code" * 'for-3.18' of git://linux-nfs.org/~bfields/linux: nfsd4: fix crash on unknown operation number nfsd4: fix response size estimation for OP_SEQUENCE
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Linus Torvalds authored
Merge tag 'trace-fixes-v3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull ftrace trampoline accounting fixes from Steven Rostedt: "Adding the new code for 3.19, I discovered a couple of minor bugs with the accounting of the ftrace_ops trampoline logic. One was that the old hash was not updated before calling the modify code for an ftrace_ops. The second bug was what let the first bug go unnoticed, as the update would check the current hash for all ftrace_ops (where it should only check the old hash for modified ones). This let things work when only one ftrace_ops was registered to a function, but could break if more than one was registered depending on the order of the look ups. The worse thing that can happen if this bug triggers is that the ftrace self checks would find an anomaly and shut itself down" * tag 'trace-fixes-v3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace: Fix checking of trampoline ftrace_ops in finding trampoline ftrace: Set ops->old_hash on modifying what an ops hooks to
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git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds authored
Pull ARM fixes from Russell King: "A couple of ARM fixes. We fix some printk formats for ptrdiff_t quantities which cause GCC 4.9 to complain, and we also blacklist known buggy GCC 4.8.x compilers as their miscompilation is serious enough to cause filesystem corruption, even through many distros have fixed their versions" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: fix some printk formats ARM: Blacklist GCC 4.8.0 to GCC 4.8.2 - PR58854
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Will Deacon authored
When unmapping a range of pages in zap_pte_range, the page being unmapped is added to an mmu_gather_batch structure for asynchronous freeing. If we run out of space in the batch structure before the range has been completely unmapped, then we break out of the loop, force a TLB flush and free the pages that we have batched so far. If there are further pages to unmap, then we resume the loop where we left off. Unfortunately, we forget to update addr when we break out of the loop, which causes us to truncate the range being invalidated as the end address is exclusive. When we re-enter the loop at the same address, the page has already been freed and the pte_present test will fail, meaning that we do not reconsider the address for invalidation. This patch fixes the problem by incrementing addr by the PAGE_SIZE before breaking out of the loop on batch failure. Signed-off-by:
Will Deacon <will.deacon@arm.com> Cc: stable@vger.kernel.org Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Tony Battersby authored
Fix a memory leak with scsi-mq triggered by commands with large data transfer length. Fixes: c53c6d6a ("scatterlist: allow chaining to preallocated chunks") Cc: <stable@vger.kernel.org> # 3.17.x Signed-off-by:
Tony Battersby <tonyb@cybernetics.com> Reviewed-by:
Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by:
Jens Axboe <axboe@fb.com>
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Dmitry Kasatkin authored
evm_inode_setxattr() can be called with no value. The function does not check the length so that following command can be used to produce the kernel oops: setfattr -n security.evm FOO. This patch fixes it. Changes in v3: * there is no reason to return different error codes for EVM_XATTR_HMAC and non EVM_XATTR_HMAC. Remove unnecessary test then. Changes in v2: * testing for validity of xattr type [ 1106.396921] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1106.398192] IP: [<ffffffff812af7b8>] evm_inode_setxattr+0x2a/0x48 [ 1106.399244] PGD 29048067 PUD 290d7067 PMD 0 [ 1106.399953] Oops: 0000 [#1] SMP [ 1106.400020] Modules linked in: bridge stp llc evdev serio_raw i2c_piix4 button fuse [ 1106.400020] CPU: 0 PID: 3635 Comm: setxattr Not tainted 3.16.0-kds+ #2936 [ 1106.400020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1106.400020] task: ffff8800291a0000 ti: ffff88002917c000 task.ti: ffff88002917c000 [ 1106.400020] RIP: 0010:[<ffffffff812af7b8>] [<ffffffff812af7b8>] evm_inode_setxattr+0x2a/0x48 [ 1106.400020] RSP: 0018:ffff88002917fd50 EFLAGS: 00010246 [ 1106.400020] RAX: 0000000000000000 RBX: ffff88002917fdf8 RCX: 0000000000000000 [ 1106.400020] RDX: 0000000000000000 RSI: ffffffff818136d3 RDI: ffff88002917fdf8 [ 1106.400020] RBP: ffff88002917fd68 R08: 0000000000000000 R09: 00000000003ec1df [ 1106.400020] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800438a0a00 [ 1106.400020] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1106.400020] FS: 00007f7dfa7d7740(0000) GS:ffff88005da00000(0000) knlGS:0000000000000000 [ 1106.400020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1106.400020] CR2: 0000000000000000 CR3: 000000003763e000 CR4: 00000000000006f0 [ 1106.400020] Stack: [ 1106.400020] ffff8800438a0a00 ffff88002917fdf8 0000000000000000 ffff88002917fd98 [ 1106.400020] ffffffff812a1030 ffff8800438a0a00 ffff88002917fdf8 0000000000000000 [ 1106.400020] 0000000000000000 ffff88002917fde0 ffffffff8116d08a ffff88002917fdc8 [ 1106.400020] Call Trace: [ 1106.400020] [<ffffffff812a1030>] security_inode_setxattr+0x5d/0x6a [ 1106.400020] [<ffffffff8116d08a>] vfs_setxattr+0x6b/0x9f [ 1106.400020] [<ffffffff8116d1e0>] setxattr+0x122/0x16c [ 1106.400020] [<ffffffff811687e8>] ? mnt_want_write+0x21/0x45 [ 1106.400020] [<ffffffff8114d011>] ? __sb_start_write+0x10f/0x143 [ 1106.400020] [<ffffffff811687e8>] ? mnt_want_write+0x21/0x45 [ 1106.400020] [<ffffffff811687c0>] ? __mnt_want_write+0x48/0x4f [ 1106.400020] [<ffffffff8116d3e6>] SyS_setxattr+0x6e/0xb0 [ 1106.400020] [<ffffffff81529da9>] system_call_fastpath+0x16/0x1b [ 1106.400020] Code: c3 0f 1f 44 00 00 55 48 89 e5 41 55 49 89 d5 41 54 49 89 fc 53 48 89 f3 48 c7 c6 d3 36 81 81 48 89 df e8 18 22 04 00 85 c0 75 07 <41> 80 7d 00 02 74 0d 48 89 de 4c 89 e7 e8 5a fe ff ff eb 03 83 [ 1106.400020] RIP [<ffffffff812af7b8>] evm_inode_setxattr+0x2a/0x48 [ 1106.400020] RSP <ffff88002917fd50> [ 1106.400020] CR2: 0000000000000000 [ 1106.428061] ---[ end trace ae08331628ba3050 ]--- Reported-by:
Jan Kara <jack@suse.cz> Signed-off-by:
Dmitry Kasatkin <d.kasatkin@samsung.com> Cc: stable@vger.kernel.org Signed-off-by:
Mimi Zohar <zohar@linux.vnet.ibm.com>
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Dmitry Kasatkin authored
ima_inode_setxattr() can be called with no value. Function does not check the length so that following command can be used to produce kernel oops: setfattr -n security.ima FOO. This patch fixes it. Changes in v3: * for stable reverted "allow setting hash only in fix or log mode" It will be a separate patch. Changes in v2: * testing validity of xattr type * allow setting hash only in fix or log mode (Mimi) [ 261.562522] BUG: unable to handle kernel NULL pointer dereference at (null) [ 261.564109] IP: [<ffffffff812af272>] ima_inode_setxattr+0x3e/0x5a [ 261.564109] PGD 3112f067 PUD 42965067 PMD 0 [ 261.564109] Oops: 0000 [#1] SMP [ 261.564109] Modules linked in: bridge stp llc evdev serio_raw i2c_piix4 button fuse [ 261.564109] CPU: 0 PID: 3299 Comm: setxattr Not tainted 3.16.0-kds+ #2924 [ 261.564109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 261.564109] task: ffff8800428c2430 ti: ffff880042be0000 task.ti: ffff880042be0000 [ 261.564109] RIP: 0010:[<ffffffff812af272>] [<ffffffff812af272>] ima_inode_setxattr+0x3e/0x5a [ 261.564109] RSP: 0018:ffff880042be3d50 EFLAGS: 00010246 [ 261.564109] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000015 [ 261.564109] RDX: 0000001500000000 RSI: 0000000000000000 RDI: ffff8800375cc600 [ 261.564109] RBP: ffff880042be3d68 R08: 0000000000000000 R09: 00000000004d6256 [ 261.564109] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88002149ba00 [ 261.564109] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 261.564109] FS: 00007f6c1e219740(0000) GS:ffff88005da00000(0000) knlGS:0000000000000000 [ 261.564109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 261.564109] CR2: 0000000000000000 CR3: 000000003b35a000 CR4: 00000000000006f0 [ 261.564109] Stack: [ 261.564109] ffff88002149ba00 ffff880042be3df8 0000000000000000 ffff880042be3d98 [ 261.564109] ffffffff812a101b ffff88002149ba00 ffff880042be3df8 0000000000000000 [ 261.564109] 0000000000000000 ffff880042be3de0 ffffffff8116d08a ffff880042be3dc8 [ 261.564109] Call Trace: [ 261.564109] [<ffffffff812a101b>] security_inode_setxattr+0x48/0x6a [ 261.564109] [<ffffffff8116d08a>] vfs_setxattr+0x6b/0x9f [ 261.564109] [<ffffffff8116d1e0>] setxattr+0x122/0x16c [ 261.564109] [<ffffffff811687e8>] ? mnt_want_write+0x21/0x45 [ 261.564109] [<ffffffff8114d011>] ? __sb_start_write+0x10f/0x143 [ 261.564109] [<ffffffff811687e8>] ? mnt_want_write+0x21/0x45 [ 261.564109] [<ffffffff811687c0>] ? __mnt_want_write+0x48/0x4f [ 261.564109] [<ffffffff8116d3e6>] SyS_setxattr+0x6e/0xb0 [ 261.564109] [<ffffffff81529da9>] system_call_fastpath+0x16/0x1b [ 261.564109] Code: 48 89 f7 48 c7 c6 58 36 81 81 53 31 db e8 73 27 04 00 85 c0 75 28 bf 15 00 00 00 e8 8a a5 d9 ff 84 c0 75 05 83 cb ff eb 15 31 f6 <41> 80 7d 00 03 49 8b 7c 24 68 40 0f 94 c6 e8 e1 f9 ff ff 89 d8 [ 261.564109] RIP [<ffffffff812af272>] ima_inode_setxattr+0x3e/0x5a [ 261.564109] RSP <ffff880042be3d50> [ 261.564109] CR2: 0000000000000000 [ 261.599998] ---[ end trace 39a89a3fc267e652 ]--- Reported-by:
Jan Kara <jack@suse.cz> Signed-off-by:
Dmitry Kasatkin <d.kasatkin@samsung.com> Cc: stable@vger.kernel.org Signed-off-by:
Mimi Zohar <zohar@linux.vnet.ibm.com>
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Ian Munsie authored
In certain circumstances the PSL (Power Service Layer, which provides translation services for CXL hardware) can send an interrupt for a segment miss that the kernel has already handled. This can happen if multiple translations for the same segment are queued in the PSL before the kernel has restarted the first translation. The CXL driver does not expect this situation and does not check if a segment had already been handled. This could cause a duplicate segment table entry which in turn caused a PSL error taking down the card. This patch fixes the issue by checking for existing entries in the segment table that match the segment we are trying to insert, so as to avoid inserting duplicate entries. Signed-off-by:
Ian Munsie <imunsie@au1.ibm.com> Reviewed-by:
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
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Ian Munsie authored
This patch makes copro_calculate_slb() mask the ESID by the correct mask for 1T vs 256M segments. This has no effect by itself as the extra bits were ignored, but it makes debugging the segment table entries easier and means that we can directly compare the ESID values for duplicates without needing to worry about masking in the comparison. This will be used to simplify a comparison in the following patch. Signed-off-by:
Ian Munsie <imunsie@au1.ibm.com> Reviewed-by:
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
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Ian Munsie authored
This moves the segment table hash calculation from cxl_load_segment() into find_free_sste() since that is the only place it is actually used. Signed-off-by:
Ian Munsie <imunsie@au1.ibm.com> Reviewed-by:
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
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Ian Munsie authored
This patch simplifies the process of finding a free segment table entry by disabling the secondary hash. This reduces the number of possible entries in the segment table for a given address from 16 to 8. Due to the large segment sizes we use it is extremely unlikely that the secondary hash would ever have been used in practice, so this should not have any negative impacts and may even improve performance due to the reduced number of comparisons that software & hardware need to perform. This patch clears the SC bit in the hardware's state register (CXL_PSL_SR_An) to disable the secondary hash in the hardware since we can no longer fill out entries using it. Signed-off-by:
Ian Munsie <imunsie@au1.ibm.com> Reviewed-by:
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
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Michael Ellerman authored
This reverts commit bf7588a0. Ben says although the code is not correct "[this] fix was completely wrong and does more damages than it fixes things." Acked-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au>
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- 27 Oct, 2014 7 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediaLinus Torvalds authored
Pull media fixes from Mauro Carvalho Chehab: "A series of driver fixes: - a few compilation fixes with randconfigs - one potential compilation breakage on userspace due to the usage of a gcc extension - several warnings fixed - some other random driver fixes" * tag 'media/v3.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (22 commits) [media] s5p-jpeg: Avoid -Wuninitialized warning in s5p_jpeg_parse_hdr [media] s5p-fimc: Only build suspend/resume for PM [media] s5p-jpeg: Only build suspend/resume for PM [media] Remove references to non-existent PLAT_S5P symbol [media] videobuf-dma-contig: set vm_pgoff to be zero to pass the sanity check in vm_iomap_memory() [media] tw68: remove bogus I2C_ALGOBIT dependency [media] usbvision-video: two use after frees [media] tw68: remove deprecated IRQF_DISABLED [media] xc5000: use after free in release() [media] em28xx-input: NULL dereference on error [media] wl128x: fix fmdbg compiler warning Revert "[media] v4l2-dv-timings: fix a sparse warning" [media] hackrf: harmless off by one in debug code [media] cx23885: initialize config structs for T9580 [media] v4l: uvcvideo: Fix buffer completion size check [media] vivid: fix buffer overrun [media] saa7146: Create a device name before it's used [media] em28xx: fix uninitialized variable warning [media] vivid: fix Kconfig FB dependency [media] anysee: make sure loading modules is const ...
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bpLinus Torvalds authored
Pull EDAC fixes from Borislav Petkov: "Correct severity of reported errors in several EDAC drivers. From Jason Baron" * tag 'edac_fixes_for_3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: e7xxx_edac: Report CE events properly cpc925_edac: Report UE events properly i82860_edac: Report CE events properly i3200_edac: Report CE events properly
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spiLinus Torvalds authored
Pull spi fixes from Mark Brown: "Quite a few driver fixes in here, including some fairly substantial ones for the recently added Rockchip driver, plus a fix for spidev to more reliably support bidirectional transfers which is fairly large but basically mechanical. It's a bit more code than I'd like but all fixes" * tag 'spi-v3.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: orion: fix potential NULL pointer de-reference spi/rockchip: spi controller must be disabled in tx callback too spi/rockchip: fix bug that cause spi transfer timed out in DMA duplex mode spi/rockchip: fix bug that case spi can't go as fast as slave request spi: pl022: Fix incorrect dma_unmap_sg spi: spidev: Use separate TX and RX bounce buffers spi: dw: Initialize of_node to discover DT node children
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulatorLinus Torvalds authored
Pull regulator fixes from Mark Brown: "A couple of fixes for v3.18, one fix for an incorrect voltage to register mapping in the rk808 driver and a fix for a build failure in some SH defconfigs" * tag 'regulator-v3.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: Include err.h from consumer.h to fix build failure regulator: rk808: Fix min_uV for DCDC1 & DCDC2
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Mark Brown authored
Merge remote-tracking branches 'spi/fix/dw', 'spi/fix/orion', 'spi/fix/pl022', 'spi/fix/rockchip' and 'spi/fix/spidev' into spi-linus
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Mark Brown authored
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Mark Brown authored
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- 26 Oct, 2014 4 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Olof Johansson: "Another week, another small batch of fixes. Most of these make zynq, socfpga and sunxi platforms work a bit better: - due to new requirements for regulators, DWMMC on socfpga broke past v3.17 - SMP spinup fix for socfpga - a few DT fixes for zynq - another option (FIXED_REGULATOR) for sunxi is needed that used to be selected by other options but no longer is. - a couple of small DT fixes for at91 - ...and a couple for i.MX" * tag 'armsoc-for-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: imx28-evk: Let i2c0 run at 100kHz ARM: i.MX6: Fix "emi" clock name typo ARM: multi_v7_defconfig: enable CONFIG_MMC_DW_ROCKCHIP ARM: sunxi_defconfig: enable CONFIG_REGULATOR_FIXED_VOLTAGE ARM: dts: socfpga: Add a 3.3V fixed regulator node ARM: dts: socfpga: Fix SD card detect ARM: dts: socfpga: rename gpio nodes ARM: at91/dt: sam9263: fix PLLB frequencies power: reset: at91-reset: fix power down register MAINTAINERS: add atmel ssc driver maintainer entry arm: socfpga: fix fetching cpu1start_addr for SMP ARM: zynq: DT: trivial: Fix mc node ARM: zynq: DT: Add cadence watchdog node ARM: zynq: DT: Add missing reference for memory-controller ARM: zynq: DT: Add missing reference for ADC ARM: zynq: DT: Add missing address for L2 pl310 ARM: zynq: DT: Remove 222 MHz OPP ARM: zynq: DT: Fix GEM register area size
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs updates from Al Viro: "overlayfs merge + leak fix for d_splice_alias() failure exits" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: overlayfs: embed middle into overlay_readdir_data overlayfs: embed root into overlay_readdir_data overlayfs: make ovl_cache_entry->name an array instead of pointer overlayfs: don't hold ->i_mutex over opening the real directory fix inode leaks on d_splice_alias() failure exits fs: limit filesystem stacking depth overlay: overlay filesystem documentation overlayfs: implement show_options overlayfs: add statfs support overlay filesystem shmem: support RENAME_WHITEOUT ext4: support RENAME_WHITEOUT vfs: add RENAME_WHITEOUT vfs: add whiteout support vfs: export check_sticky() vfs: introduce clone_private_mount() vfs: export __inode_permission() to modules vfs: export do_splice_direct() to modules vfs: add i_op->dentry_open()
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Olof Johansson authored
Merge tag 'imx-fixes-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes Merge "ARM: imx: fixes for 3.18" from Shawn Guo: The i.MX fixes for 3.18: - Revert one patch which increases I2C bus frequency on imx28-evk - Fix a typo on imx6q EIM clock name * tag 'imx-fixes-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: ARM: dts: imx28-evk: Let i2c0 run at 100kHz ARM: i.MX6: Fix "emi" clock name typo Signed-off-by:
Olof Johansson <olof@lixom.net>
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- 25 Oct, 2014 6 commits
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Fabio Estevam authored
Commit 78b81f46 ("ARM: dts: imx28-evk: Run I2C0 at 400kHz") caused issues when doing the following sequence in loop: - Boot the kernel - Perform audio playback - Reboot the system via 'reboot' command In many times the audio card cannot be probed, which causes playback to fail. After restoring to the original i2c0 frequency of 100kHz there is no such problem anymore. This reverts commit 78b81f46. Cc: <stable@vger.kernel.org> # 3.16+ Signed-off-by:
Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by:
Shawn Guo <shawn.guo@linaro.org>
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Steve Longerbeam authored
Fix a typo error, the "emi" names refer to the eim clocks. The change fixes typo in EIM and EIM_SLOW pre-output dividers and selectors clock names. Notably EIM_SLOW clock itself is named correctly. Signed-off-by:
Steve Longerbeam <steve_longerbeam@mentor.com> [vladimir_zapolskiy@mentor.com: ported to v3.17] Signed-off-by:
Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Cc: Sascha Hauer <kernel@pengutronix.de> Signed-off-by:
Shawn Guo <shawn.guo@linaro.org>
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Al Viro authored
same story... Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
no sense having it a pointer - all instances have it pointing to local variable in the same stack frame Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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Al Viro authored
just use it to serialize the assignment Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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- 24 Oct, 2014 2 commits
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Steven Rostedt (Red Hat) authored
When modifying code, ftrace has several checks to make sure things are being done correctly. One of them is to make sure any code it modifies is exactly what it expects it to be before it modifies it. In order to do so with the new trampoline logic, it must be able to find out what trampoline a function is hooked to in order to see if the code that hooks to it is what's expected. The logic to find the trampoline from a record (accounting descriptor for a function that is hooked) needs to only look at the "old_hash" of an ops that is being modified. The old_hash is the list of function an ops is hooked to before its update. Since a record would only be pointing to an ops that is being modified if it was already hooked before. Currently, it can pick a modified ops based on its new functions it will be hooked to, and this picks the wrong trampoline and causes the check to fail, disabling ftrace. Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> ftrace: squash into ordering of ops for modification
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Steven Rostedt (Red Hat) authored
The code that checks for trampolines when modifying function hooks tests against a modified ops "old_hash". But the ops old_hash pointer is not being updated before the changes are made, making it possible to not find the right hash to the callback and possibly causing ftrace to break in accounting and disable itself. Have the ops set its old_hash before the modifying takes place. Signed-off-by:
Steven Rostedt <rostedt@goodmis.org>
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