Btrfs: add missing check for dir != tmp_dir to is_first_ref

We missed that check which resultet in all refs with the same name
being reported as first_ref.

Reported-by: Alex Lyakas <alex.bolshoy.btrfs@gmail.com>
Signed-off-by: Alexander Block <ablock84@googlemail.com>

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index a5fae48..bea5b43 100644 (file)
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1589,7 +1589,7 @@ static int is_first_ref(struct send_ctx *sctx,
        if (ret < 0)
                goto out;
 
-       if (name_len != fs_path_len(tmp_name)) {
+       if (dir != tmp_dir || name_len != fs_path_len(tmp_name)) {
                ret = 0;
                goto out;
        }