loop: return proper error from loop_queue_rq()
authorOmar Sandoval <osandov@fb.com>
Mon, 14 Nov 2016 22:56:17 +0000 (14:56 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 6 Jan 2017 10:16:14 +0000 (11:16 +0100)
commitffef1630187bd6ed8521a90d8dfcd27bd8c8cf36
treeab7db5390ce4f3cb39009782c0e9e29c40450f45
parent011ded975e347d6ef14f7d08018f3d4750483160
loop: return proper error from loop_queue_rq()

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>
drivers/block/loop.c