In cgroup_get_sb, the lock sequence is:
mutex_lock(&inode->i_mutex);
mutex_lock(&cgroup->mutex);
so the last unlock sequence should be:
mutex_unlock(&cgroup->mutex);
mutex_unlock(&inode->i_mutex);
Signed-off-by: Xiaotian Feng <df...@redhat.com>
---
kernel/cgroup.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 3737a68..11ef162 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1140,8 +1140,8 @@ 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);
--
1.6.2.5
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