diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 431364a..099645a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -8488,6 +8488,7 @@
 				       &wc->flags[level - 1]);
 	if (ret < 0) {
 		btrfs_tree_unlock(next);
+		free_extent_buffer(next);
 		return ret;
 	}