diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 1aff73a6de49d0e80c2743309386de7dba337189..db0ec73993e80575cf6b877d8b51a45e8fd604cc 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2772,7 +2772,7 @@ 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);