diff --git a/drivers/md/md.c b/drivers/md/md.c
index 45bb387d69c4..e2a5f513dbb7 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2562,6 +2562,7 @@ static int bind_rdev_to_array(struct md_rdev *rdev, struct mddev *mddev)
  fail:
 	pr_warn("md: failed to register dev-%s for %s\n",
 		b, mdname(mddev));
+	mddev_destroy_serial_pool(mddev, rdev);
 	return err;
 }