--- src/sys/netinet6/nd6_rtr.c	2004/12/30 02:26:12	1.7
+++ src/sys/netinet6/nd6_rtr.c	2005/02/01 16:09:37	1.8
@@ -205,7 +205,7 @@ nd6_ra_input(m, off, icmp6len)
 	int off, icmp6len;
 {
 	struct ifnet *ifp = m->m_pkthdr.rcvif;
-	struct nd_ifinfo *ndi = &nd_ifinfo[ifp->if_index];
+	struct nd_ifinfo *ndi = ND_IFINFO(ifp);
 	struct ip6_hdr *ip6 = mtod(m, struct ip6_hdr *);
 	struct nd_router_advert *nd_ra;
 	struct in6_addr saddr6 = ip6->ip6_src;