1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 4dd53fcb791a..b3cfae41f769 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1888,7 +1888,8 @@ static int run(mddev_t *mddev)
 
                 disk = conf->mirrors + i;
 
-                if (!disk->rdev) {
+                if (!disk->rdev ||
+                    !test_bit(In_sync, &disk->rdev->flags)) {
                         disk->head_position = 0;
                         mddev->degraded++;
                 }