diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 94bed61..6526f1f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7087,8 +7087,10 @@
 		if (reada && level == 1)
 			reada_walk_down(trans, root, wc, path);
 		next = read_tree_block(root, bytenr, blocksize, generation);
-		if (!next)
+		if (!next || !extent_buffer_uptodate(next)) {
+			free_extent_buffer(next);
 			return -EIO;
+		}
 		btrfs_tree_lock(next);
 		btrfs_set_lock_blocking(next);
 	}