tree 6bd4a8d48bbf0e8be01304e0914a575916e2b9fc
parent c81eddb0e3728661d1585fbc564449c94165cc36
author Tejun Heo <tj@kernel.org> 1271289457 +0900
committer Jeff Garzik <jgarzik@redhat.com> 1271987272 -0400

libata: fix locking around blk_abort_request()

blk_abort_request() expectes queue lock to be held by the caller.
Grab it before calling the function.

Lack of this synchronization led to infinite loop on corrupt
q->timeout_list.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>