diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index cd83d9933b6b85cd05bf6db17f424056d2d504fc..f5281aadbcabe15ca1af2a12f55787b707f67421 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1155,8 +1155,8 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
 		BUG_ON(root->number_of_cgroups != 1);
 
 		cgroup_populate_dir(root_cgrp);
-		mutex_unlock(&inode->i_mutex);
 		mutex_unlock(&cgroup_mutex);
+		mutex_unlock(&inode->i_mutex);
 	}
 
 	simple_set_mnt(mnt, sb);