Signed-off-by: Wang Shilong <wangshilong1...@gmail.com> --- print-tree.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/print-tree.c b/print-tree.c index aae47a9..c1d8d18 100644 --- a/print-tree.c +++ b/print-tree.c @@ -355,8 +355,10 @@ static void print_root(struct extent_buffer *leaf, int slot) (unsigned long long)btrfs_root_generation(&root_item)); if (root_item.generation == root_item.generation_v2) { - uuid_unparse(root_item.uuid, uuid_str); - printf("\t\tuuid %s\n", uuid_str); + if (count_bytes(root_item.uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) { + uuid_unparse(root_item.uuid, uuid_str); + printf("\t\tuuid %s\n", uuid_str); + } if (count_bytes(root_item.parent_uuid, BTRFS_UUID_SIZE, 0) != BTRFS_UUID_SIZE) { uuid_unparse(root_item.parent_uuid, uuid_str); printf("\t\tparent_uuid %s\n", uuid_str); -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html