diff --git a/drivers/md/md.c b/drivers/md/md.c
index 4869128..cb20d0b 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2087,6 +2087,7 @@
 	/* First make sure individual recovery_offsets are correct */
 	list_for_each_entry(rdev, &mddev->disks, same_set) {
 		if (rdev->raid_disk >= 0 &&
+		    mddev->delta_disks >= 0 &&
 		    !test_bit(In_sync, &rdev->flags) &&
 		    mddev->curr_resync_completed > rdev->recovery_offset)
 				rdev->recovery_offset = mddev->curr_resync_completed;
@@ -6872,6 +6873,7 @@
 			rcu_read_lock();
 			list_for_each_entry_rcu(rdev, &mddev->disks, same_set)
 				if (rdev->raid_disk >= 0 &&
+				    mddev->delta_disks >= 0 &&
 				    !test_bit(Faulty, &rdev->flags) &&
 				    !test_bit(In_sync, &rdev->flags) &&
 				    rdev->recovery_offset < mddev->curr_resync)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 2c055de..f972a94 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5208,6 +5208,7 @@
 	for (i = 0; i < conf->raid_disks; i++) {
 		tmp = conf->disks + i;
 		if (tmp->rdev
+		    && tmp->rdev->recovery_offset == MaxSector
 		    && !test_bit(Faulty, &tmp->rdev->flags)
 		    && !test_and_set_bit(In_sync, &tmp->rdev->flags)) {
 			unsigned long flags;