Fix btrfs_fill_super to return -EINVAL when no FS found

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

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 9624923a33dc..892864906880 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -236,9 +236,9 @@ static int btrfs_fill_super(struct super_block * sb,
 
         tree_root = open_ctree(sb, fs_devices);
 
-        if (!tree_root || IS_ERR(tree_root)) {
+        if (IS_ERR(tree_root)) {
                 printk("btrfs: open_ctree failed\n");
-                return -EIO;
+                return PTR_ERR(tree_root);
         }
         sb->s_fs_info = tree_root;
         disk_super = &tree_root->fs_info->super_copy;