diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 382109b..a7267bf 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1133,8 +1133,7 @@
  free_cg_links:
 	free_cg_links(&tmp_cg_links);
  drop_new_super:
-	up_write(&sb->s_umount);
-	deactivate_super(sb);
+	deactivate_locked_super(sb);
 	return ret;
 }