diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 147dc6c..aaeee45 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -356,6 +356,13 @@
 		struct extent_buffer *next = read_tree_block(root,
 					btrfs_node_blockptr(c, i),
 					btrfs_node_ptr_generation(c, i));
+		if (IS_ERR(next)) {
+			continue;
+		} else if (!extent_buffer_uptodate(next)) {
+			free_extent_buffer(next);
+			continue;
+		}
+
 		if (btrfs_is_leaf(next) &&
 		   level != 1)
 			BUG();