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Missing check for NULL-pointer.

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Guus Sliepen 2004-11-10 18:10:59 +00:00
parent ca7948fc06
commit e8b11b1cca
1 changed files with 2 additions and 2 deletions
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4
src/route.c
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@ -346,7 +346,7 @@ static __inline__ void route_ipv4_unicast(node_t *source, vpn_packet_t *packet)
via = (subnet->owner->via == myself) ? subnet->owner->nexthop : subnet->owner->via;
if(packet->len > via->mtu && via != myself) {
if(via && packet->len > via->mtu && via != myself) {
ifdebug(TRAFFIC) logger(LOG_INFO, _("Packet for %s (%s) length %d larger than MTU %d"), subnet->owner->name, subnet->owner->hostname, packet->len, via->mtu);
if(packet->data[20] & 0x40) {
packet->len = via->mtu;
@ -485,7 +485,7 @@ static __inline__ void route_ipv6_unicast(node_t *source, vpn_packet_t *packet)
via = (subnet->owner->via == myself) ? subnet->owner->nexthop : subnet->owner->via;
if(packet->len > via->mtu && via != myself) {
if(via && packet->len > via->mtu && via != myself) {
ifdebug(TRAFFIC) logger(LOG_INFO, _("Packet for %s (%s) length %d larger than MTU %d"), subnet->owner->name, subnet->owner->hostname, packet->len, via->mtu);
packet->len = via->mtu;
route_ipv6_unreachable(source, packet, ICMP6_PACKET_TOO_BIG, 0);