diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 9348f17095120..19c9bf0060ae6 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1124,8 +1124,6 @@ static void alloc_behind_master_bio(struct r1bio *r1_bio,
 
 	behind_bio = bio_alloc_bioset(NULL, vcnt, 0, GFP_NOIO,
 				      &r1_bio->mddev->bio_set);
-	if (!behind_bio)
-		return;
 
 	/* discard op, we don't support writezero/writesame yet */
 	if (!bio_has_data(bio)) {