diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 9cc80b9cc8d8..c29d774abe55 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -409,8 +409,7 @@ static void __rsv_window_dump(struct rb_root *root, int verbose,
 		prev = rsv;
 	}
 	printk("Window map complete.\n");
-	if (bad)
-		BUG();
+	BUG_ON(bad);
 }
 #define rsv_window_dump(root, verbose) \
 	__rsv_window_dump((root), (verbose), __func__)