On 10/17/2017 01:32 AM, Bart Van Assche wrote:

blk_mq_get_tag() can modify data->ctx. This means that in the
error path of blk_mq_get_request() data->ctx should be passed to
blk_mq_put_ctx() instead of local_ctx. Note: since blk_mq_put_ctx()
ignores its argument, this patch does not change any functionality.

References: commit 1ad43c0078b7 ("blk-mq: don't leak preempt counter/q_usage_counter when allocating rq failed")
Signed-off-by: Bart Van Assche <redacted>
Cc: Ming Lei <redacted>
---
Changes compared to v1:
- Removed "Cc: <stable>"
- Removed "bug fix" from the description.

 block/blk-mq.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
-- 
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