diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index f46ac9db9edb..0a9d623b13c2 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2749,7 +2749,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr,
 				write_targets++;
 			}
 		}
-		if (bio->bi_end_io) {
+		if (rdev && bio->bi_end_io) {
 			atomic_inc(&rdev->nr_pending);
 			bio->bi_iter.bi_sector = sector_nr + rdev->data_offset;
 			bio_set_dev(bio, rdev->bdev);