diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index e2a50816e5a0..41d9094fa50a 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1363,6 +1363,12 @@ static void raid1_read_request(struct mddev *mddev, struct bio *bio,
 	 */
 	if (!wait_read_barrier(conf, bio->bi_iter.bi_sector, nowait)) {
 		bio_wouldblock_error(bio);
+
+		if (r1bio_existed) {
+			set_bit(R1BIO_Returned, &r1_bio->state);
+			raid_end_bio_io(r1_bio);
+		}
+
 		return;
 	}