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authorJohannes Thumshirn <jthumshirn@suse.de>2017-01-10 12:05:54 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2017-01-17 14:14:32 -0500
commit8667f515952feefebb3c0f8d9a9266c91b101a46 (patch)
tree5df38c9df76c2f236733ad13eddf068fdb61dffd /sound/pci/vx222
parent68af412c7713b55c01ffc4312320abd10ca70e77 (diff)
scsi: lpfc: Set elsiocb contexts to NULL after freeing it
Set the elsiocb contexts to NULL after freeing as others depend on it. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'sound/pci/vx222')
0 files changed, 0 insertions, 0 deletions
hp_invoke_callback+0x17c/0x600 cpuhp_up_callbacks+0x58/0x150 _cpu_up+0xf0/0x1c0 do_cpu_up+0x120/0x150 cpu_subsys_online+0x64/0xe0 device_online+0xb4/0x120 online_store+0xb4/0xc0 dev_attr_store+0x68/0xa0 sysfs_kf_write+0x80/0xb0 kernfs_fop_write+0x17c/0x250 __vfs_write+0x6c/0x1e0 vfs_write+0xd0/0x270 SyS_write+0x6c/0x110 system_call+0x38/0xe0 Examination of the queue showed a single reference (no PERCPU_COUNT_BIAS, and __PERCPU_REF_DEAD, __PERCPU_REF_ATOMIC set) and no requests. However, conditions at the time of the race are count of PERCPU_COUNT_BIAS + 0 and __PERCPU_REF_DEAD and __PERCPU_REF_ATOMIC set. The fix is to make the tryget routines use an actual boolean internally instead of the atomic long result truncated to a int. Fixes: e625305b3907 percpu-refcount: make percpu_ref based on longs instead of ints Link: https://bugzilla.kernel.org/show_bug.cgi?id=190751 Signed-off-by: Douglas Miller <dougmill@linux.vnet.ibm.com> Reviewed-by: Jens Axboe <axboe@fb.com> Signed-off-by: Tejun Heo <tj@kernel.org> Fixes: e625305b3907 ("percpu-refcount: make percpu_ref based on longs instead of ints") Cc: stable@vger.kernel.org # v3.18+
Diffstat (limited to 'fs/nfs/nfstrace.h')