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loop: return proper error from loop_queue_rq()

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commit b4a567e8114327518c09f5632339a5954ab975a3 upstream.

->queue_rq() should return one of the BLK_MQ_RQ_QUEUE_* constants, not
an errno.

Fixes: f4aa4c7bbac6 ("block: loop: convert to per-device workqueue")
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Omar Sandoval 2016-11-14 14:56:17 -08:00 committed by Greg Kroah-Hartman
parent 011ded975e
commit ffef163018
1 changed files with 1 additions and 1 deletions
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2
drivers/block/loop.c
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@ -1657,7 +1657,7 @@ static int loop_queue_rq(struct blk_mq_hw_ctx *hctx,
blk_mq_start_request(bd->rq);
if (lo->lo_state != Lo_bound)
return -EIO;
return BLK_MQ_RQ_QUEUE_ERROR;
if (lo->use_dio && !(cmd->rq->cmd_flags & (REQ_FLUSH |
REQ_DISCARD)))