diff -Nupr linux-5.14.0-5.el9.s390x.old/net/ipv6/mcast.c linux-5.14.0-5.el9.s390x/net/ipv6/mcast.c
--- linux-5.14.0-5.el9.s390x.old/net/ipv6/mcast.c	2021-10-07 23:11:01.404725401 -0400
+++ linux-5.14.0-5.el9.s390x/net/ipv6/mcast.c	2021-10-07 23:11:35.174725401 -0400
@@ -1,3 +1,7 @@
+/*
+ * Kpatch __LINE__ offset test
+ */
+
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *	Multicast support for IPv6