diff --git a/[refs] b/[refs]
index 80fbe2449676..ac1b95771b02 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 90abb8c4cec8f0aa4ce58790542e3cf13071601a
+refs/heads/master: 598de40947909e6b948569710383661ecc0ddc8e
diff --git a/trunk/drivers/md/dm.c b/trunk/drivers/md/dm.c
index 73b89afd6565..cf0b455b21ef 100644
--- a/trunk/drivers/md/dm.c
+++ b/trunk/drivers/md/dm.c
@@ -1495,11 +1495,10 @@ static int dm_prep_fn(struct request_queue *q, struct request *rq)
 	return BLKPREP_OK;
 }
 
-static void map_request(struct dm_target *ti, struct request *rq,
+static void map_request(struct dm_target *ti, struct request *clone,
 			struct mapped_device *md)
 {
 	int r;
-	struct request *clone = rq->special;
 	struct dm_rq_target_io *tio = clone->end_io_data;
 
 	/*
@@ -1576,7 +1575,7 @@ static void dm_request_fn(struct request_queue *q)
 
 		blk_start_request(rq);
 		spin_unlock(q->queue_lock);
-		map_request(ti, rq, md);
+		map_request(ti, rq->special, md);
 		spin_lock_irq(q->queue_lock);
 	}