}
/* See ip_conntrack_proto_tcp.c */
- if (hooknum == NF_IP_PRE_ROUTING &&
+ if (ip_conntrack_checksum && hooknum == NF_IP_PRE_ROUTING &&
nf_ip_checksum(skb, hooknum, skb->nh.iph->ihl * 4, 0)) {
if (LOG_INVALID(IPPROTO_ICMP))
nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,