btrfs_inode_by_name return random value.

When inode is found, the return value is from the uninitialized
variable 'ret'.

--

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c0743307232..b74a831fab1 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -847,15 +847,16 @@ static int btrfs_inode_by_name(struct inode *dir, struct dentry *dentry,
         struct btrfs_dir_item *di;
         struct btrfs_path *path;
         struct btrfs_root *root = BTRFS_I(dir)->root;
-        int ret;
+        int ret = 0;
 
         path = btrfs_alloc_path();
         BUG_ON(!path);
         di = btrfs_lookup_dir_item(NULL, root, path, dir->i_ino, name,
                                     namelen, 0);
+        if (IS_ERR(di))
+                ret = PTR_ERR(di);
         if (!di || IS_ERR(di)) {
                 location->objectid = 0;
-                ret = 0;
                 goto out;
         }
         btrfs_dir_item_key_to_cpu(path->nodes[0], di, location);