--- linux/include/linux/in6.h	Sat May 19 02:45:08 2001
+++ linux.fefe/include/linux/in6.h	Fri Jun  8 20:37:13 2001
@@ -53,7 +53,7 @@
 	struct in6_addr ipv6mr_multiaddr;
 
 	/* local IPv6 address of interface */
-	int		ipv6mr_ifindex;
+	int		ipv6mr_interface;
 };
 
 struct in6_flowlabel_req
--- linux/net/ipv6/ipv6_sockglue.c	Mon Mar 26 04:14:25 2001
+++ linux.fefe/net/ipv6/ipv6_sockglue.c	Fri Jun  8 20:37:01 2001
@@ -346,9 +346,9 @@
 			break;
 
 		if (optname == IPV6_ADD_MEMBERSHIP)
-			retv = ipv6_sock_mc_join(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_multiaddr);
+			retv = ipv6_sock_mc_join(sk, mreq.ipv6mr_interface, &mreq.ipv6mr_multiaddr);
 		else
-			retv = ipv6_sock_mc_drop(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_multiaddr);
+			retv = ipv6_sock_mc_drop(sk, mreq.ipv6mr_interface, &mreq.ipv6mr_multiaddr);
 		break;
 	}
 	case IPV6_ROUTER_ALERT: