diff --git a/drivers/md/md.c b/drivers/md/md.c
index 22310d5d8d41..eff3d23e1fcd 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5700,7 +5700,11 @@ static int md_alloc(dev_t dev, char *name)
 	disk->flags |= GENHD_FL_EXT_DEVT;
 	disk->events |= DISK_EVENT_MEDIA_CHANGE;
 	mddev->gendisk = disk;
-	add_disk(disk);
+	error = add_disk(disk);
+	if (error) {
+		blk_cleanup_disk(disk);
+		goto abort;
+	}
 
 	error = kobject_add(&mddev->kobj, &disk_to_dev(disk)->kobj, "%s", "md");
 	if (error) {