diff options
| -rw-r--r-- | fs/configfs/dir.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 8a3b6a1a6ad..452cfd1e785 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -1176,8 +1176,9 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys) return; } - mutex_lock(&configfs_sb->s_root->d_inode->i_mutex); - mutex_lock(&dentry->d_inode->i_mutex); + mutex_lock_nested(&configfs_sb->s_root->d_inode->i_mutex, + I_MUTEX_PARENT); + mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_CHILD); if (configfs_detach_prep(dentry)) { printk(KERN_ERR "configfs: Tried to unregister non-empty subsystem!\n"); } |