diff options
| author | Joel Sing <jsing@cvs.openbsd.org> | 2009-12-15 13:28:24 +0000 |
|---|---|---|
| committer | Joel Sing <jsing@cvs.openbsd.org> | 2009-12-15 13:28:24 +0000 |
| commit | c318b6be83d369f75f47820624680a7825dfc4de (patch) | |
| tree | b57d9b98d398ffc32a22dfce4578fc2a72cd127a /sys/netinet | |
| parent | 054c64453edc265f6f3066e7d9077fe10180f771 (diff) | |
Ensure that the interface is valid before trying to access its flags.
ok claudio@
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/igmp.c | 3 |
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); |