diff --git a/[refs] b/[refs]
index 616027d1fda1..ac02aedc124d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 574ce07eb0014069f1da763c219bb30ea4c266ec
+refs/heads/master: 4d7b38b7d944a79da3793b6c92d38682f3905ac9
diff --git a/trunk/drivers/md/dm.c b/trunk/drivers/md/dm.c
index b89c548ec3f8..e24143cc2040 100644
--- a/trunk/drivers/md/dm.c
+++ b/trunk/drivers/md/dm.c
@@ -1016,6 +1016,7 @@ static void __map_bio(struct dm_target *ti, struct bio *clone,
 		/*
 		 * Store bio_set for cleanup.
 		 */
+		clone->bi_end_io = NULL;
 		clone->bi_private = md->bs;
 		bio_put(clone);
 		free_tio(md, tio);