diff --git a/[refs] b/[refs]
index ed922aca31ef..f01fcda9ed35 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fdb9572b73abd008b80931c3b1f157dac3888bb9
+refs/heads/master: 27eaa14975d8b53f0bad422e53cdf8e5f6dd44ec
diff --git a/trunk/drivers/md/dm.c b/trunk/drivers/md/dm.c
index 8498dc4ce1f0..7d9ca7094337 100644
--- a/trunk/drivers/md/dm.c
+++ b/trunk/drivers/md/dm.c
@@ -637,11 +637,6 @@ static void __map_bio(struct dm_target *ti, struct bio *clone,
 	sector_t sector;
 	struct mapped_device *md;
 
-	/*
-	 * Sanity checks.
-	 */
-	BUG_ON(!clone->bi_size);
-
 	clone->bi_end_io = clone_endio;
 	clone->bi_private = tio;