cgroups: make unlock sequence in cgroup_get_sb consistent

Make the last unlock sequence consistent with previous unlock sequeue.

Acked-by: Balbir Singh <[email protected]>
Acked-by: Paul Menage <[email protected]>
Signed-off-by: Xiaotian Feng <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index cd83d9933b6b85cd05bf6db17f424056d2d504fc..f5281aadbcabe15ca1af2a12f55787b707f67421 100644 (file)
--- 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);