ide: Must hold queue lock when requeueing
ide-atapi requeues requests without holding the queue lock.
This patch fixes it by using ide_requeue_and_plug.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index eb2181a..9aedb9a 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -263,8 +263,8 @@
* of it. The failed command will be retried after sense data
* is acquired.
*/
- blk_requeue_request(failed_rq->q, failed_rq);
drive->hwif->rq = NULL;
+ ide_requeue_and_plug(drive, failed_rq);
if (ide_queue_sense_rq(drive, pc)) {
blk_start_request(failed_rq);
ide_complete_rq(drive, -EIO, blk_rq_bytes(failed_rq));