diff options
| -rw-r--r-- | sys/netinet/ip_icmp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/netinet/ip_icmp.c b/sys/netinet/ip_icmp.c index a0ce4aa..8c5825a 100644 --- a/sys/netinet/ip_icmp.c +++ b/sys/netinet/ip_icmp.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)ip_icmp.c 8.2 (Berkeley) 1/4/94 - * $Id: ip_icmp.c,v 1.17 1995/12/16 02:14:16 bde Exp $ + * $Id: ip_icmp.c,v 1.18 1996/03/26 19:16:43 fenner Exp $ */ #include <sys/param.h> @@ -402,6 +402,8 @@ icmp_input(m, hlen) (struct sockaddr *)&icmpdst, m->m_pkthdr.rcvif); if (ia == 0) break; + if (ia->ia_ifp == 0) + break; icp->icmp_type = ICMP_MASKREPLY; icp->icmp_mask = ia->ia_sockmask.sin_addr.s_addr; if (ip->ip_src.s_addr == 0) { @@ -503,7 +505,7 @@ icmp_reflect(m) for (ia = in_ifaddr; ia; ia = ia->ia_next) { if (t.s_addr == IA_SIN(ia)->sin_addr.s_addr) break; - if ((ia->ia_ifp->if_flags & IFF_BROADCAST) && + if (ia->ia_ifp && (ia->ia_ifp->if_flags & IFF_BROADCAST) && t.s_addr == satosin(&ia->ia_broadaddr)->sin_addr.s_addr) break; } |
