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Diffstat (limited to 'sys/netinet/igmp.c')
-rw-r--r--sys/netinet/igmp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/netinet/igmp.c b/sys/netinet/igmp.c
index bbdd681b69d..11201f04c8f 100644
--- a/sys/netinet/igmp.c
+++ b/sys/netinet/igmp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: igmp.c,v 1.28 2009/12/15 13:23:53 jsing Exp $ */
+/* $OpenBSD: igmp.c,v 1.29 2009/12/15 13:28:23 jsing Exp $ */
/* $NetBSD: igmp.c,v 1.15 1996/02/13 23:41:25 christos Exp $ */
/*
@@ -464,6 +464,7 @@ igmp_joingroup(struct in_multi *inm)
inm->inm_state = IGMP_IDLE_MEMBER;
if (!IN_LOCAL_GROUP(inm->inm_addr.s_addr) &&
+ inm->inm_ia->ia_ifp &&
(inm->inm_ia->ia_ifp->if_flags & IFF_LOOPBACK) == 0) {
if ((i = rti_fill(inm)) == -1) {
splx(s);