Btrfs-progs: fix wrong leaf when checking the trees relationship

The variant named 'leaf' in is_child_root() still hold old result after
we get the next leaf, it make btrfsck returns the wrong result, such as
"unresolved ref root ..", fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>

diff --git a/btrfsck.c b/btrfsck.c
index 2e81adc..f09a4a4 100644 (file)
--- a/btrfsck.c
+++ b/btrfsck.c
@@ -786,6 +786,7 @@ static int is_child_root(struct btrfs_root *root, u64 parent_root_id,
 
                        if (ret > 0)
                                break;
+                       leaf = path.nodes[0];
                }
 
                btrfs_item_key_to_cpu(leaf, &key, path.slots[0]);