debugfs_lookup(): switch to lookup_one_len_unlocked()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 63a998c..13b0135 100644 (file)
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -270,10 +270,7 @@ struct dentry *debugfs_lookup(const char *name, struct dentry *parent)
        if (!parent)
                parent = debugfs_mount->mnt_root;
 
-       inode_lock(d_inode(parent));
-       dentry = lookup_one_len(name, parent, strlen(name));
-       inode_unlock(d_inode(parent));
-
+       dentry = lookup_one_len_unlocked(name, parent, strlen(name));
        if (IS_ERR(dentry))
                return NULL;
        if (!d_really_is_positive(dentry)) {