If btrfs_lookup_dir_item() fails, we should can just let the mount fail
with an error.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index d34b2df..28b53f1 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -360,6 +360,8 @@ static struct dentry *get_default_root(struct super_block *sb,
*/
dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);
di = btrfs_lookup_dir_item(NULL, root, path, dir_id, "default", 7, 0);
+ if (IS_ERR(di))
+ return ERR_CAST(di);
if (!di) {
/*
* Ok the default dir item isn't there. This is weird since
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