btrfs-progs: read_tree_block() and read_node_slot() cleanup.

[platform/upstream/btrfs-progs.git] / btrfs-calc-size.c

diff --git a/btrfs-calc-size.c b/btrfs-calc-size.c
index 800ceb6..1372084 100644 (file)
--- a/btrfs-calc-size.c
+++ b/btrfs-calc-size.c
@@ -156,7 +156,7 @@ static int walk_nodes(struct btrfs_root *root, struct btrfs_path *path,
                        tmp = read_tree_block(root, cur_blocknr,
                                              btrfs_level_size(root, level - 1),
                                              btrfs_node_ptr_generation(b, i));
-                       if (!tmp) {
+                       if (!extent_buffer_uptodate(tmp)) {
                                fprintf(stderr, "Failed to read blocknr %Lu\n",
                                        btrfs_node_blockptr(b, i));
                                continue;