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GIT 08edb33 commit 708f04d Author: Dave Jones <davej@redhat.com> Date: Thu Mar 20 15:03:58 2014 -0600 block: free q->flush_rq in blk_init_allocated_queue error paths Commit 7982e90 ("block: fix q->flush_rq NULL pointer crash on dm-mpath flush") moved an allocation to blk_init_allocated_queue(), but neglected to free that allocation on the error paths that follow. Signed-off-by: Dave Jones <davej@fedoraproject.org> Acked-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> commit 11d4616 Author: Linus Torvalds <torvalds@linux-foundation.org> Date: Thu Mar 20 22:11:17 2014 -0700 futex: revert back to the explicit waiter counting code Srikar Dronamraju reports that commit b0c29f7 ("futexes: Avoid taking the hb->lock if there's nothing to wake up") causes java threads getting stuck on futexes when runing specjbb on a power7 numa box. The cause appears to be that the powerpc spinlocks aren't using the same ticket lock model that we use on x86 (and other) architectures, which in turn result in the "spin_is_locked()" test in hb_waiters_pending() occasionally reporting an unlocked spinlock even when there are pending waiters. So this reinstates Davidlohr Bueso's original explicit waiter counting code, which I had convinced Davidlohr to drop in favor of figuring out the pending waiters by just using the existing state of the spinlock and the wait queue. Reported-and-tested-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Original-code-by: Davidlohr Bueso <davidlohr@hp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> commit 7e09e73 Author: Hugh Dickins <hughd@google.com> Date: Thu Mar 20 21:52:17 2014 -0700 mm: fix swapops.h:131 bug if remap_file_pages raced migration Add remove_linear_migration_ptes_from_nonlinear(), to fix an interesting little include/linux/swapops.h:131 BUG_ON(!PageLocked) found by trinity: indicating that remove_migration_ptes() failed to find one of the migration entries that was temporarily inserted. The problem comes from remap_file_pages()'s switch from vma_interval_tree (good for inserting the migration entry) to i_mmap_nonlinear list (no good for locating it again); but can only be a problem if the remap_file_pages() range does not cover the whole of the vma (zap_pte() clears the range). remove_migration_ptes() needs a file_nonlinear method to go down the i_mmap_nonlinear list, applying linear location to look for migration entries in those vmas too, just in case there was this race. The file_nonlinear method does need rmap_walk_control.arg to do this; but it never needed vma passed in - vma comes from its own iteration. Reported-and-tested-by: Dave Jones <davej@redhat.com> Reported-and-tested-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> commit 8729134 Author: Vaibhav Nagarnaik <vnagarnaik@google.com> Date: Thu Feb 13 19:51:48 2014 -0800 tracing: Fix array size mismatch in format string In event format strings, the array size is reported in two locations. One in array subscript and then via the "size:" attribute. The values reported there have a mismatch. For e.g., in sched:sched_switch the prev_comm and next_comm character arrays have subscript values as [32] where as the actual field size is 16. name: sched_switch ID: 301 format: field:unsigned short common_type; offset:0; size:2; signed:0; field:unsigned char common_flags; offset:2; size:1; signed:0; field:unsigned char common_preempt_count; offset:3; size:1;signed:0; field:int common_pid; offset:4; size:4; signed:1; field:char prev_comm[32]; offset:8; size:16; signed:1; field:pid_t prev_pid; offset:24; size:4; signed:1; field:int prev_prio; offset:28; size:4; signed:1; field:long prev_state; offset:32; size:8; signed:1; field:char next_comm[32]; offset:40; size:16; signed:1; field:pid_t next_pid; offset:56; size:4; signed:1; field:int next_prio; offset:60; size:4; signed:1; After bisection, the following commit was blamed: 92edca0 tracing: Use direct field, type and system names This commit removes the duplication of strings for field->name and field->type assuming that all the strings passed in __trace_define_field() are immutable. This is not true for arrays, where the type string is created in event_storage variable and field->type for all array fields points to event_storage. Use __stringify() to create a string constant for the type string. Also, get rid of event_storage and event_storage_mutex that are not needed anymore. also, an added benefit is that this reduces the overhead of events a bit more: text data bss dec hex filename 8424787 2036472 1302528 11763787 b3804b vmlinux 8420814 2036408 1302528 11759750 b37086 vmlinux.patched Link: http://lkml.kernel.org/r/1392349908-29685-1-git-send-email-vnagarnaik@google.com Cc: Laurent Chavey <chavey@google.com> Cc: stable@vger.kernel.org # 3.10+ Signed-off-by: Vaibhav Nagarnaik <vnagarnaik@google.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> commit 71ca758 Author: Jim Quinlan <jim2101024@gmail.com> Date: Wed Nov 27 15:34:50 2013 -0500 MIPS: Make local_irq_disable macro safe for non-Mipsr2 For non-mipsr2 processors, the local_irq_disable contains an mfc0-mtc0 pair with instructions inbetween. With preemption enabled, this sequence may get preempted and effect a stale value of CP0_STATUS when executing the mtc0 instruction. This commit avoids this scenario by incrementing the preempt count before the mfc0 and decrementing it after the mtc9. [ralf@linux-mips.org: This patch is sorting out the part that were missed by e97c5b6 [MIPS: Make irqflags.h functions preempt-safe for non-mipsr2 cpus.] I also re-enabled the inclusion of <asm/asm-offsets.h> at the top of <asm/asmmacro.h>]. Signed-off-by: Jim Quinlan <jim2101024@gmail.com> Cc: linux-mips@linux-mips.org Cc: cernekee@gmail.com Patchwork: https://patchwork.linux-mips.org/patch/6164/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 85d898b Author: Daniel Kurtz <djkurtz@chromium.org> Date: Mon Mar 17 11:28:06 2014 +0800 drm/exynos: Fix (more) freeing issues in exynos_drm_drv.c The following commit [0] fixed a use-after-free, but left the subdrv open in the error path. [0] commit 6ca605f drm/exynos: Fix freeing issues in exynos_drm_drv.c Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Acked-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Inki Dae <inki.dae@samsung.com> commit 8878439 Author: Hugh Dickins <hughd@google.com> Date: Tue Mar 18 17:38:38 2014 -0700 mm: fix bad rss-counter if remap_file_pages raced migration Fix some "Bad rss-counter state" reports on exit, arising from the interaction between page migration and remap_file_pages(): zap_pte() must count a migration entry when zapping it. And yes, it is possible (though very unusual) to find an anon page or swap entry in a VM_SHARED nonlinear mapping: coming from that horrid get_user_pages(write, force) case which COWs even in a shared mapping. Signed-off-by: Hugh Dickins <hughd@google.com> Tested-by: Sasha Levin sasha.levin@oracle.com> Tested-by: Dave Jones davej@redhat.com> Cc: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> commit 2eddb70 Author: Andreas Herrmann <andreas.herrmann@caviumnetworks.com> Date: Wed Mar 19 23:03:30 2014 +0100 MIPS: Octeon: Fix warning in of_device_alloc on cn3xxx Starting with commit 3da5278 (of/irq: Rework of_irq_count()) the following warning is triggered on octeon cn3xxx: [ 0.887281] WARNING: CPU: 0 PID: 1 at drivers/of/platform.c:171 of_device_alloc+0x228/0x230() [ 0.895642] Modules linked in: [ 0.898689] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.14.0-rc7-00012-g9ae51f2-dirty torvalds#41 [ 0.906860] Stack : c8b439581166d96e ffffffff816b0000 0000000040808000 ffffffff81185ddc [ 0.906860] 0000000000000000 0000000000000000 0000000000000000 000000000000000b [ 0.906860] 000000000000000a 000000000000000a 0000000000000000 0000000000000000 [ 0.906860] ffffffff81740000 ffffffff81720000 ffffffff81615900 ffffffff816b0177 [ 0.906860] ffffffff81727d10 800000041f868fb0 0000000000000001 0000000000000000 [ 0.906860] 0000000000000000 0000000000000038 0000000000000001 ffffffff81568484 [ 0.906860] 800000041f86faa8 ffffffff81145ddc 0000000000000000 ffffffff811873f4 [ 0.906860] 800000041f868b88 800000041f86f9c0 0000000000000000 ffffffff81569c9c [ 0.906860] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.906860] 0000000000000000 ffffffff811205e0 0000000000000000 0000000000000000 [ 0.906860] ... [ 0.971695] Call Trace: [ 0.974139] [<ffffffff811205e0>] show_stack+0x68/0x80 [ 0.979183] [<ffffffff81569c9c>] dump_stack+0x8c/0xe0 [ 0.984196] [<ffffffff81145efc>] warn_slowpath_common+0x84/0xb8 [ 0.990110] [<ffffffff81436888>] of_device_alloc+0x228/0x230 [ 0.995726] [<ffffffff814368d8>] of_platform_device_create_pdata+0x48/0xd0 [ 1.002593] [<ffffffff81436a94>] of_platform_bus_create+0x134/0x1e8 [ 1.008837] [<ffffffff81436af8>] of_platform_bus_create+0x198/0x1e8 [ 1.015064] [<ffffffff81436cc4>] of_platform_bus_probe+0xa4/0x100 [ 1.021149] [<ffffffff81100570>] do_one_initcall+0xd8/0x128 [ 1.026701] [<ffffffff816e2a10>] kernel_init_freeable+0x144/0x210 [ 1.032753] [<ffffffff81564bc4>] kernel_init+0x14/0x110 [ 1.037973] [<ffffffff8111bb44>] ret_from_kernel_thread+0x14/0x1c With this commit the kernel starts mapping the interrupts listed for gpio-controller node. irq_domain_ops for CIU (octeon_irq_ciu_map and octeon_irq_ciu_xlat) refuse to handle the GPIO lines (returning -EINVAL) and this is causing above warning in of_device_alloc(). Modify irq_domain_ops for CIU and CIU2 to "gracefully handle" GPIO lines (neither return error code nor call octeon_irq_set_ciu_mapping for it). This should avoid the warning. (As before the real setup for GPIO lines will happen using irq_domain_ops of gpio-controller.) This patch is based on Wei's patch v2 (see http://marc.info/?l=linux-mips&m=139511814813247). Signed-off-by: Andreas Herrmann <andreas.herrmann@caviumnetworks.com> Reported-by: Yang Wei <wei.yang@windriver.com> Acked-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6624/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit b08ac66 Author: Viller Hsiao <villerhsiao@gmail.com> Date: Tue Mar 18 15:39:34 2014 +0800 MIPS: ftrace: Tweak safe_load()/safe_store() macros Due to name collision in ftrace safe_load and safe_store macros, these macros cannot take expressions as operands. For example, compiler will complain for a macro call like the following: safe_store_code(new_code2, ip + 4, faulted); arch/mips/include/asm/ftrace.h:61:6: note: in definition of macro 'safe_store' : [dst] "r" (dst), [src] "r" (src)\ ^ arch/mips/kernel/ftrace.c:118:2: note: in expansion of macro 'safe_store_code' safe_store_code(new_code2, ip + 4, faulted); ^ arch/mips/kernel/ftrace.c:118:32: error: undefined named operand 'ip + 4' safe_store_code(new_code2, ip + 4, faulted); ^ arch/mips/include/asm/ftrace.h:61:6: note: in definition of macro 'safe_store' : [dst] "r" (dst), [src] "r" (src)\ ^ arch/mips/kernel/ftrace.c:118:2: note: in expansion of macro 'safe_store_code' safe_store_code(new_code2, ip + 4, faulted); ^ This build error is triggered by a467109 [MIPS: ftrace: Fix icache flush range error]. Tweak variable naming in those macros to allow flexible operands. Signed-off-by: Viller Hsiao <villerhsiao@gmail.com> Cc: linux-mips@linux-mips.org Cc: rostedt@goodmis.org Cc: fweisbec@gmail.com Cc: mingo@redhat.com Cc: Qais.Yousef@imgtec.com Patchwork: https://patchwork.linux-mips.org/patch/6622/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 749d322 Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Date: Wed Mar 19 12:59:39 2014 +0000 ALSA: compress: Pass through return value of open ops callback The snd_compr_open function would always return 0 even if the compressed ops open function failed, obviously this is incorrect. Looks like this was introduced by a small typo in: commit a0830db ALSA: Add a reference counter to card instance This patch returns the value from the compressed op as it should. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Acked-by: Vinod Koul <vinod.koul@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> commit 4fe2169 Author: Rafał Miłecki <zajec5@gmail.com> Date: Thu Feb 13 17:48:12 2014 +0100 MIPS: BCM47XX: Check all (32) GPIOs when looking for a pin Broadcom boards support 32 GPIOs and NVRAM may have entires for higher ones too. Example: gpio23=wombo_reset Signed-off-by: Rafa? Mi?ecki <zajec5@gmail.com> Acked-by: Hauke Mehrtens <hauke@hauke-m.de> Cc: linux-mips@linux-mips.org Cc: Rafał Miłecki <zajec5@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/6547/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 0f4706d Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Tue Mar 18 14:50:50 2014 +0200 drm/i915: Disable stolen memory when DMAR is active We have reports of heavy screen corruption if we try to use the stolen memory reserved by the BIOS whilst the DMA-Remapper is active. This quirk may be only specific to a few machines or BIOSes, but first lets apply the big hammer and always disable use of stolen memory when DMAR is active. v2 by Jani: Rebase on -fixes, only look at intel_iommu_gfx_mapped. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=68535 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@vger.kernel.org Signed-off-by: Jani Nikula <jani.nikula@intel.com> commit 8259383 Author: Jani Nikula <jani.nikula@intel.com> Date: Mon Mar 17 15:20:59 2014 +0200 Revert "drm/i915: don't touch the VDD when disabling the panel" This reverts commit dff392d Author: Paulo Zanoni <paulo.r.zanoni@intel.com> Date: Fri Dec 6 17:32:41 2013 -0200 drm/i915: don't touch the VDD when disabling the panel which didn't take into account commit 6cb4983 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Sun May 20 17:14:50 2012 +0200 drm/i915: enable vdd when switching off the eDP panel and commit 35a3855 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Sun Aug 12 22:17:14 2012 +0200 drm/i915: reorder edp disabling to fix ivb MacBook Air Unsurprisingly, various MacBooks failed. Effectively the same has already been done in drm-intel-next-queued. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74628 Tested-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com> commit 3eb59ec Author: Li Zefan <lizefan@huawei.com> Date: Tue Mar 18 17:02:36 2014 +0800 cgroup: fix a failure path in create_css() If online_css() fails, we should remove cgroup files belonging to css->ss. Signed-off-by: Li Zefan <lizefan@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org> commit 707d4ee Author: Bjorn Helgaas <bhelgaas@google.com> Date: Tue Mar 18 14:26:12 2014 -0600 Revert "[PATCH] Insert GART region into resource map" This reverts commit 56dd669, which makes the GART visible in /proc/iomem. This fixes a regression: e501b3d ("agp: Support 64-bit APBASE") exposed an existing problem with a conflict between the GART region and a PCI BAR region. The GART addresses are bus addresses, not CPU addresses, and therefore should not be inserted in iomem_resource. On many machines, the GART region is addressable by the CPU as well as by an AGP master, but CPU addressability is not required by the spec. On some of these machines, the GART is mapped by a PCI BAR, and in that case, the PCI core automatically inserts it into iomem_resource, just as it does for all BARs. Inserting it here means we'll have a conflict if the PCI core later tries to claim the GART region, so let's drop the insertion here. The conflict indirectly causes X failures, as reported by Jouni in the bugzilla below. We detected the conflict even before e501b3d, but after it the AGP code (fix_northbridge()) uses the PCI resource (which is zeroed because of the conflict) instead of reading the BAR again. Conflicts: arch/x86_64/kernel/aperture.c Fixes: e501b3d agp: Support 64-bit APBASE Link: https://bugzilla.kernel.org/show_bug.cgi?id=72201 Reported-and-tested-by: Jouni Mettälä <jtmettala@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> commit 3055644 Author: Clemens Ladisch <clemens@ladisch.de> Date: Tue Mar 18 09:31:18 2014 +0100 ALSA: oxygen: Xonar DG(X): fix Stereo Upmixing regression The code introduced in commit 1f91ecc ("ALSA: oxygen: modify adjust_dg_dac_routing function") accidentally disregarded the old value of the playback routing register, so it broke the "Stereo Upmixing" mixer control. The unmuted parts of the channel routing are the same for all settings of the output destination, so it suffices to revert that part of the patch. Fixes: 1f91ecc ('ALSA: oxygen: modify adjust_dg_dac_routing function') Tested-by: Roman Volkov <v1ron@mail.ru> Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> commit e4362d1 Author: Alex Smith <alex.smith@imgtec.com> Date: Tue Jan 21 11:22:35 2014 +0000 MIPS: Fix possible build error with transparent hugepages enabled If CONFIG_TRANSPARENT_HUGEPAGE is enabled, but CONFIG_HUGETLB_PAGE is not, it is possible to end up with a configuration that fails to build with the following error: include/linux/huge_mm.h:125:2: error: #error "hugepages can't be allocated by the buddy allocator" This is due to CONFIG_FORCE_MAX_ZONEORDER defaulting to 11. It already has ranges that change the valid values when HUGETLB_PAGE is enabled, but this is not done for TRANSPARENT_HUGEPAGE. Fix by changing the HUGETLB_PAGE dependencies to MIPS_HUGE_TLB_SUPPORT, which includes both TRANSPARENT_HUGEPAGE and HUGETLB_PAGE. Signed-off-by: Alex Smith <alex.smith@imgtec.com> Reviewed-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6391/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 27410e8 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Thu Jan 30 17:58:38 2014 +0100 drm: Fix use-after-free in the shadow-attache exit code This regression has been introduced in commit b3f2333 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Wed Dec 11 11:34:31 2013 +0100 drm: restrict the device list for shadow attached drivers Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> commit 06e2e88 Author: Paul Burton <paul.burton@imgtec.com> Date: Fri Feb 14 17:55:18 2014 +0000 MIPS: mark O32+FP64 experimental for now Commit 597ce17 "MIPS: Support for 64-bit FP with O32 binaries" introduced support for setting Status.FR=1 for O32 binaries with the EF_MIPS_FP64 ELF header flag set. Whilst this flag is currently supported by binutils it does introduce an ABI break within userland. Objects built with EF_MIPS_FP64 cannot be safely linked with those built without it since code in either object may assume behaviour specific to a value of FR. More recently there has been discussion around avoiding further fragmentation of the O32 ABI whilst still allowing the use of FR=1 and features such as MSA which depend upon it. Details of the plan to allow this are still being worked on, and whilst the kernel will need the ability to handle FR=1 with O32 tasks it is unclear what else it may need to provide to a userland which seeks to avoid another ABI break. In order to prevent the proliferation of userland which may rely upon the current EF_MIPS_FP64 behaviour this patch marks the kernel support for it experimental & disables it by default. Under current proposals it is likely that this support can simply be enabled again later, but possibly after the introduction of further interfaces with userland and support for the MIPS R5 UFR feature. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Matthew Fortune <matthew.fortune@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Paul Burton <paul.burton@imgtec.com> Patchwork: https://patchwork.linux-mips.org/patch/6549/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit a467109 Author: Viller Hsiao <villerhsiao@gmail.com> Date: Sat Feb 22 15:46:49 2014 +0800 MIPS: ftrace: Fix icache flush range error In 32-bit mode, the start address passed to flush_icache_range is shifted by 4 bytes before the second safe_store_code() call. This causes system crash from time to time because the first 4 bytes might not be flushed properly. This bug exists since linux-3.8. Also remove obsoleted comment while at it. Signed-off-by: Viller Hsiao <villerhsiao@gmail.com> Cc: linux-mips@linux-mips.org Cc: rostedt@goodmis.org Cc: fweisbec@gmail.com Cc: mingo@redhat.com Cc: Qais.Yousef@imgtec.com Patchwork: https://patchwork.linux-mips.org/patch/6586/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 86ca57b Author: Lars Persson <lars.persson@axis.com> Date: Mon Mar 17 12:14:13 2014 +0100 MIPS: Fix syscall tracing interface Fix pointer computation for stack-based arguments. Signed-off-by: Lars Persson <larper@axis.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6620/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit a8031d2 Author: Markos Chandras <markos.chandras@imgtec.com> Date: Wed Jan 22 14:39:57 2014 +0000 MIPS: asm: syscall: Fix copying system call arguments The syscall_get_arguments function expects the arguments to be copied to the '*args' argument but instead a local variable was used to hold the system call argument. As a result of which, this variable was never passed to the filter and any filter testing the system call arguments would fail. This is fixed by passing the '*args' variable as the destination memory for the system call arguments. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Reviewed-by: Paul Burton <paul.burton@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6402/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 7f02c46 Author: Colin Ian King <colin.king@canonical.com> Date: Mon Feb 10 18:42:57 2014 +0000 MIPS: Octeon: Fix fall through on bar type OCTEON_DMA_BAR_TYPE_SMALL Bar type OCTEON_DMA_BAR_TYPE_SMALL assigns lo and hi addresses and then falls through to OCTEON_DMA_BAR_TYPE_BIG that re-assignes lo and hi addresses with totally different values. Add a break so we don't fall through. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: David Daney <ddaney@caviumnetworks.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/6529/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit b616365 Author: Huacai Chen <chenhc@lemote.com> Date: Fri Feb 7 22:31:33 2014 +0800 MIPS: FPU: Fix conflict of register usage In _restore_fp_context/_restore_fp_context32, t0 is used for both CP0_Status and CP1_FCSR. This is a mistake and cause FP exeception on boot, so fix it. Signed-off-by: Huacai Chen <chenhc@lemote.com> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Tested-by: Andreas Barth <aba@ayous.org> Cc: John Crispin <john@phrozen.org> Cc: Steven J. Hill <Steven.Hill@imgtec.com> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: linux-mips@linux-mips.org Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/6507/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit f5868f0 Author: Paul Bolle <pebolle@tiscali.nl> Date: Sun Feb 9 14:32:25 2014 +0100 MIPS: Replace CONFIG_MIPS64 and CONFIG_MIPS32_R2 Commit 597ce17 ("MIPS: Support for 64-bit FP with O32 binaries") introduced references to two undefined Kconfig macros. CONFIG_MIPS32_R2 should clearly be replaced with CONFIG_CPU_MIPS32_R2. And CONFIG_MIPS64 should be replaced with CONFIG_64BIT. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/6522/ Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 6b5625b Author: Simon Wood <simon@mungewell.org> Date: Thu Mar 13 12:42:03 2014 -0600 HID: hid-lg4ff: Support new version of G27 It has been reported that there is a new hardware version of the G27 in the 'wild'. This patch add's this new revision so that it can be sent the command to switch to native mode. Reported-by: "Ivan Baldo" <ibaldo@adinet.com.uy> Tested-by: "evilcow" <evilcow93@yahoo.com> Signed-off-by: Simon Wood <simon@mungewell.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz> commit e724f08 Author: Paul Mackerras <paulus@samba.org> Date: Thu Mar 13 20:02:48 2014 +1100 KVM: PPC: Book3S HV: Fix register usage when loading/saving VRSAVE Commit 595e4f7 ("KVM: PPC: Book3S HV: Use load/store_fp_state functions in HV guest entry/exit") changed the register usage in kvmppc_save_fp() and kvmppc_load_fp() but omitted changing the instructions that load and save VRSAVE. The result is that the VRSAVE value was loaded from a constant address, and saved to a location past the end of the vcpu struct, causing host kernel memory corruption and various kinds of host kernel crashes. This fixes the problem by using register r31, which contains the vcpu pointer, instead of r3 and r4. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> commit a5b0ccb Author: Paul Mackerras <paulus@samba.org> Date: Thu Mar 13 20:02:02 2014 +1100 KVM: PPC: Book3S HV: Remove bogus duplicate code Commit 7b49041 ("KVM: PPC: Book3S HV: Add new state for transactional memory") incorrectly added some duplicate code to the guest exit path because I didn't manage to clean up after a rebase correctly. This removes the extraneous material. The presence of this extraneous code causes host crashes whenever a guest is run. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> commit 5c673b6 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Fri Mar 7 20:34:46 2014 +0100 drm/i915: Don't enable display error interrupts from the start We need to enable interrupt processing before all the modeset state is set up. But that means we can fall over when we get a pipe underrun. This shouldn't happen as long as the bios works correctly but as usual this turns out to be wishful thinking. So disable error interrupts at irq install time and rely on the re-enabling code in the modeset functions to take care of this. Note that due to the SDE interrupt handling race we must uncondtionally enable all interrupt sources in SDEIER, hence no need to enable the SERR bit specifically. On gmch platforms we don't have an explicit enable/mask bit for fifo underruns. Fixing this up would require a bit of software tracking, hence is material for a separate patch. To make this possible we need to switch all gmch platforms to the new pipestat interrupt handling scheme Imre implemented for vlv, and then also add a safe form of sw state checking to __cpu_fifo_underrun_reporting_enabled a bit. v2: Also handle the ilk/snb cpu fifo underrun bits accordingly. Spotted by Ville. v3: Also handle the south interrupt underrun bits on ibx. Again spotted by Ville. Reported-by: Rob Clark <robdclark@gmail.com> Cc: Rob Clark <robdclark@gmail.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: stable@vger.kernel.org Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com> commit 2430262 Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Tue Mar 11 12:58:46 2014 +0200 drm/i915: Fix scanline counter fixup on BDW The display interrupts changed on BDW, so the current ILK-HSW specific code in ilk_pipe_in_vblank_locked() doesn't work there. Add the required bits for BDW, and while at it, change the existing code to use nicer looking vblank status bit macros. Also remove the now stale __raw_i915_read16() definition which was left over from the failed gen2 ISR experiment. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73962 Tested-by: Lu Hua <huax.lu@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> commit fcb8182 Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Tue Mar 11 12:58:45 2014 +0200 drm/i915: Add a workaround for HSW scanline counter weirdness On HSW the scanline counter seems to behave differently depending on the output type. eDP on port A does what you would expect an the normal +1 fixup is sufficient to cover it. But on HDMI outputs we seem to need a +2 fixup. Just assume we always need the +2 fixup and accept the slight inaccuracy on eDP. This fixes a regression introduced in: commit 8072bfa Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Mon Oct 28 21:22:52 2013 +0200 drm/radeon: Move the early vblank IRQ fixup to radeon_get_crtc_scanoutpos() That commit removed the heuristic that tried to fix up the timestamps for vblank interrupts that fire a bit too early. Since then the vblank timestamp code would treat some vblank interrupts as spurious since the scanline counter would indicate that vblank_start wasn't reached yet. That in turn lead to incorrect vblank event sequence numbers being reported to userspace, which lead to unsteady framerate in applications such as XBMC which uses them for timing purposes. v2: Remember to call ilk_pipe_in_vblank_locked() on HSW too (Mika) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75725 Tested-by: bugzilla1@gmx.com Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> commit 51061b8 Author: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Date: Thu Mar 6 17:05:27 2014 -0800 MIPS: math-emu: Fix prefx detection and COP1X function field definition When running applications which contain the instruction "prefx" on FPU-less CPUs, a message "Illegal instruction" will be seen. This instruction is supposed to be ignored by the FPU emulator. However, its current detection and function field encoding are incorrect. This patch fix the issue. Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Reviewed-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Reviewed-by: Paul Burton <paul.burton@imgtec.com> Acked-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Cc: Steven.Hill@imgtec.com Patchwork: https://patchwork.linux-mips.org/patch/6608/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 7f32890 Author: Jens Axboe <axboe@fb.com> Date: Mon Mar 10 14:29:37 2014 -0600 mtip32xx: fix bad use of smp_processor_id() mtip_pci_probe() dumps the current CPU when loaded, but it does so in a preemptible context. Hence smp_processor_id() correctly warns: BUG: using smp_processor_id() in preemptible [00000000] code: systemd-udevd/155 caller is mtip_pci_probe+0x53/0x880 [mtip32xx] Switch to raw_smp_processor_id(), since it's just informational and persistent accuracy isn't important. Signed-off-by: Jens Axboe <axboe@fb.com> commit 10beafc Author: Mike Snitzer <msnitzer@redhat.com> Date: Sat Mar 8 20:19:20 2014 -0700 block: change flush sequence list addition back to front add Commit 1874198 inadvertently changed the rq flush insertion from a head to a tail insertion. Fix that back up. Signed-off-by: Mike Snitzer <msnitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com> commit 7982e90 Author: Mike Snitzer <snitzer@redhat.com> Date: Sat Mar 8 17:20:01 2014 -0700 block: fix q->flush_rq NULL pointer crash on dm-mpath flush Commit 1874198 ("blk-mq: rework flush sequencing logic") switched ->flush_rq from being an embedded member of the request_queue structure to being dynamically allocated in blk_init_queue_node(). Request-based DM multipath doesn't use blk_init_queue_node(), instead it uses blk_alloc_queue_node() + blk_init_allocated_queue(). Because commit 1874198 placed the dynamic allocation of ->flush_rq in blk_init_queue_node() any flush issued to a dm-mpath device would crash with a NULL pointer, e.g.: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff8125037e>] blk_rq_init+0x1e/0xb0 PGD bb3c7067 PUD bb01d067 PMD 0 Oops: 0002 [#1] SMP ... CPU: 5 PID: 5028 Comm: dt Tainted: G W O 3.14.0-rc3.snitm+ torvalds#10 ... task: ffff88032fb270e0 ti: ffff880079564000 task.ti: ffff880079564000 RIP: 0010:[<ffffffff8125037e>] [<ffffffff8125037e>] blk_rq_init+0x1e/0xb0 RSP: 0018:ffff880079565c98 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000030 RDX: ffff880260c74048 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff880079565ca8 R08: ffff880260aa1e98 R09: 0000000000000001 R10: ffff88032fa78500 R11: 0000000000000246 R12: 0000000000000000 R13: ffff880260aa1de8 R14: 0000000000000650 R15: 0000000000000000 FS: 00007f8d36a2a700(0000) GS:ffff88033fca0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000079b36000 CR4: 00000000000007e0 Stack: 0000000000000000 ffff880260c74048 ffff880079565cd8 ffffffff81257a47 ffff880260aa1de8 ffff880260c74048 0000000000000001 0000000000000000 ffff880079565d08 ffffffff81257c2d 0000000000000000 ffff880260aa1de8 Call Trace: [<ffffffff81257a47>] blk_flush_complete_seq+0x2d7/0x2e0 [<ffffffff81257c2d>] blk_insert_flush+0x1dd/0x210 [<ffffffff8124ec59>] __elv_add_request+0x1f9/0x320 [<ffffffff81250681>] ? blk_account_io_start+0x111/0x190 [<ffffffff81253a4b>] blk_queue_bio+0x25b/0x330 [<ffffffffa0020bf5>] dm_request+0x35/0x40 [dm_mod] [<ffffffff812530c0>] generic_make_request+0xc0/0x100 [<ffffffff81253173>] submit_bio+0x73/0x140 [<ffffffff811becdd>] submit_bio_wait+0x5d/0x80 [<ffffffff81257528>] blkdev_issue_flush+0x78/0xa0 [<ffffffff811c1f6f>] blkdev_fsync+0x3f/0x60 [<ffffffff811b7fde>] vfs_fsync_range+0x1e/0x20 [<ffffffff811b7ffc>] vfs_fsync+0x1c/0x20 [<ffffffff811b81f1>] do_fsync+0x41/0x80 [<ffffffff8118874e>] ? SyS_lseek+0x7e/0x80 [<ffffffff811b8260>] SyS_fsync+0x10/0x20 [<ffffffff8154c2d2>] system_call_fastpath+0x16/0x1b Fix this by moving the ->flush_rq allocation from blk_init_queue_node() to blk_init_allocated_queue(). blk_init_queue_node() also calls blk_init_allocated_queue() so this change is functionality equivalent for all blk_init_queue_node() callers. Reported-by: Hannes Reinecke <hare@suse.de> Reported-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com> commit 031365b Author: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Date: Fri Feb 28 10:23:03 2014 -0800 MIPS: APRP: Choose the correct VPE loader by fixing the linking Now we have CONFIG_MIPS_VPE_LOADER and CONFIG_MIPS_VPE_LOADER_[CMP|MT]. The latter two are used by the 2 exclusive flavors. The vpe_run in malta-amon.c is for CMP APRP. Without the fix, this vpe_run will be used in MT APRP. Reviewed-by: Steven J. Hill <Steven.Hill@imgtec.com> Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Cc: linux-mips@linux-mips.org Cc: john@phrozen.org Patchwork: https://patchwork.linux-mips.org/patch/6589/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit eee5794 Author: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Date: Fri Feb 28 10:23:02 2014 -0800 MIPS: APRP: Unregister rtlx interrupt hook at module exit If the aprp_hook is not assigned back to NULL, it will still be called after module exits. This is not wanted. Reviewed-by: Steven J. Hill <Steven.Hill@imgtec.com> Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Cc: linux-mips@linux-mips.org Cc: john@phrozen.org Patchwork: https://patchwork.linux-mips.org/patch/6590/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 9c1f6e0 Author: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Date: Fri Feb 28 10:23:01 2014 -0800 MIPS: APRP: Fix the linking of rtlx interrupt hook There are 2 errors with the existing aprp_hook linking: - The prefix CONFIG_ is missing; - The hook should be linked exclusively in the cases of MT and CMP. Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Reviewed-by: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Cc: john@phrozen.org Patchwork: https://patchwork.linux-mips.org/patch/6588/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 4890e2e Author: Markos Chandras <markos.chandras@imgtec.com> Date: Wed Feb 19 10:17:18 2014 +0000 MIPS: bcm47xx: Include missing errno.h for ENXIO Fixes the following build problen on allmodconfig: arch/mips/bcm47xx/board.c: In function 'bcm47xx_board_detect': arch/mips/bcm47xx/board.c:291:14: error: 'ENXIO' undeclared (first use in this function) Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/6571/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit d334c2b Author: Manuel Lauss <manuel.lauss@gmail.com> Date: Thu Feb 20 14:37:40 2014 +0100 MIPS: Alchemy: Fix unchecked kstrtoul return value enabled __must_check logic triggers a build error for mtx1 and gpr in the prom init code. Fix by checking the kstrtoul() return value. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/6574/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit f517928 Author: Ralf Baechle <ralf@linux-mips.org> Date: Mon Feb 10 18:00:17 2014 +0100 MIPS: Fix randconfig build error. CC arch/mips/kernel/ptrace.o In file included from arch/mips/kernel/ptrace.c:42:0: arch/mips/kernel/ptrace.c: In function ‘mips_get_syscall_arg’: /home/ralf/src/linux/linux-mips/arch/mips/include/asm/syscall.h:60:1: error: control reaches end of non-void function [-Werror=return-type] cc1: all warnings being treated as errors make[2]: *** [arch/mips/kernel/ptrace.o] Error 1 make[1]: *** [arch/mips/kernel] Error 2 make: *** [arch/mips] Error 2 Fixed by marking the end of mips_get_syscall_arg() as unreachable. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> commit 24bd9bf Author: Ben Widawsky <benjamin.widawsky@intel.com> Date: Tue Mar 4 22:38:10 2014 -0800 drm/i915: Fix PSR programming | has a higher precedence than ?. Therefore, the calculation doesn't do at all what you would expect. Thanks to Ken for convincing me that this was indeed the issue. Send me back to C programmer school, please. I'm sort of surprised PSR was continuing to work for people. It should be broken IMO (and it was broken for me, but I had assumed it never worked). Regression from: commit ed8546a Author: Ben Widawsky <benjamin.widawsky@intel.com> Date: Mon Nov 4 22:45:05 2013 -0800 drm/i915/bdw: Support eDP PSR Cc: Rodrigo Vivi <rodrigo.vivi@gmail.com> Cc: Kenneth Graunke <kenneth.w.graunke@intel.com> Cc: Art Runyan <arthur.j.runyan@intel.com> Reported-by: "Kumar, Kiran S" <kiran.s.kumar@intel.com> Cc: stable@vger.kernel.org [v3.13+] Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Jani Nikula <jani.nikula@intel.com> commit 224aa3e Author: Stefan Agner <stefan@agner.ch> Date: Wed Mar 5 23:11:08 2014 +0100 clocksource: vf_pit_timer: use complement for sched_clock reading Vybrids PIT register is monitonic decreasing. However, sched_clock reading needs to be monitonic increasing. Use bitwise not to get the complement of the clock register. This fixes the clock going backward. Also, the clock now starts at 0 since we load the register with the maximum value at start. Signed-off-by: Stefan Agner <stefan@agner.ch> Acked-by: Shawn Guo <shawn.guo@linaro.org> Cc: daniel.lezcano@linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux@arm.linux.org.uk Link: http://lkml.kernel.org/r/d25af915993aec1b486be653eb86f748ddef54fe.1394057313.git.stefan@agner.ch Cc: stable@vger.kernel.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de> commit 47587fc Author: Fernando Luis Vázquez Cao <fernando_b1@lab.ntt.co.jp> Date: Wed Feb 26 16:51:24 2014 +0900 HID: hidraw: fix warning destroying hidraw device files after parent I noticed that after hot unplugging a Logitech unifying receiver (drivers/hid/hid-logitech-dj.c) the kernel would occasionally spew a stack trace similar to this: usb 1-1.1.2: USB disconnect, device number 7 WARNING: CPU: 0 PID: 2865 at fs/sysfs/group.c:216 device_del+0x40/0x1b0() sysfs group ffffffff8187fa20 not found for kobject 'hidraw0' [...] CPU: 0 PID: 2865 Comm: upowerd Tainted: G W 3.14.0-rc4 torvalds#7 Hardware name: LENOVO 7783PN4/ , BIOS 9HKT43AUS 07/11/2011 0000000000000009 ffffffff814cd684 ffff880427ccfdf8 ffffffff810616e7 ffff88041ec61800 ffff880427ccfe48 ffff88041e444d80 ffff880426fab8e8 ffff880429359960 ffffffff8106174c ffffffff81714b98 0000000000000028 Call Trace: [<ffffffff814cd684>] ? dump_stack+0x41/0x51 [<ffffffff810616e7>] ? warn_slowpath_common+0x77/0x90 [<ffffffff8106174c>] ? warn_slowpath_fmt+0x4c/0x50 [<ffffffff81374fd0>] ? device_del+0x40/0x1b0 [<ffffffff8137516f>] ? device_unregister+0x2f/0x50 [<ffffffff813751fa>] ? device_destroy+0x3a/0x40 [<ffffffffa03ca245>] ? drop_ref+0x55/0x120 [hid] [<ffffffffa03ca3e6>] ? hidraw_release+0x96/0xb0 [hid] [<ffffffff811929da>] ? __fput+0xca/0x210 [<ffffffff8107fe17>] ? task_work_run+0x97/0xd0 [<ffffffff810139a9>] ? do_notify_resume+0x69/0xa0 [<ffffffff814dbd22>] ? int_signal+0x12/0x17 ---[ end trace 63f4a46f6566d737 ]--- During device removal hid_disconnect() is called via hid_hw_stop() to stop the device and free all its resources, including the sysfs files. The problem is that if a user space process, such as upowerd, holds a reference to a hidraw file the corresponding sysfs files will be kept around (drop_ref() does not call device_destroy() if the open counter is not 0) and it will be usb_disconnect() who, by calling device_del() for the USB device, will indirectly remove the sysfs files of the hidraw device (sysfs_remove_dir() is recursive these days). Because of this, by the time user space releases the last reference to the hidraw file and drop_ref() tries to destroy the device the sysfs files are already gone and the kernel will print the warning above. Fix this by calling device_destroy() at USB disconnect time. Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Cc: stable@vger.kernel.org # 3.13 Signed-off-by: Jiri Kosina <jkosina@suse.cz> commit 5f5750d Author: Frank Praznik <frank.praznik@oh.rr.com> Date: Wed Feb 19 13:09:22 2014 -0500 HID: sony: Fix work queue issues. Don't initialize force-feedback for devices that don't support it to avoid calls to schedule_work() with an uninitialized work_struct. Move the cancel_work_sync() call out of sony_destroy_ff() since the state worker is used for the LEDs even when force-feedback is disabled. Remove sony_destroy_ff() to avoid a compiler warning since it is no longer used. Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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