From 2a21da302215feb6cf98ccdecb4f273b2cdd1019 Mon Sep 17 00:00:00 2001
From: Hajimu UMEMOTO <ume@FreeBSD.org>
Date: Fri, 3 Aug 2001 19:10:31 +0000
Subject: [PATCH] When global anycast address was assigned to lo0, wrong source
 address was selected.

Reported by:	Shingo WATANABE <nabe@nabechan.org>
Submitted by:	JINMEI Tatuya <jinmei@isl.rdc.toshiba.co.jp>
MFC after:	3 days
---
 sys/netinet6/in6.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c
index 9a5b4046653..529d122369a 100644
--- a/sys/netinet6/in6.c
+++ b/sys/netinet6/in6.c
@@ -1087,16 +1087,18 @@ in6_update_ifa(ifp, ifra, ia)
 		 *      some interface-boundary restriction.
 		 */
 		if (ifp->if_flags & IFF_LOOPBACK) {
+			struct in6_ifaddr *ia_loop;
+
 			struct in6_addr loop6 = in6addr_loopback;
-			ia = in6ifa_ifpwithaddr(ifp, &loop6);
+			ia_loop = in6ifa_ifpwithaddr(ifp, &loop6);
 
 			mltaddr.sin6_addr = in6addr_nodelocal_allnodes;
 
 			IN6_LOOKUP_MULTI(mltaddr.sin6_addr, ifp, in6m);
-			if (in6m == NULL && ia != NULL) {
+			if (in6m == NULL && ia_loop != NULL) {
 				rtrequest(RTM_ADD,
 					  (struct sockaddr *)&mltaddr,
-					  (struct sockaddr *)&ia->ia_addr,
+					  (struct sockaddr *)&ia_loop->ia_addr,
 					  (struct sockaddr *)&mltmask,
 					  RTF_UP,
 					  (struct rtentry **)0);