Merge branch 'master'

[powerpc.git] / net / ipv4 / netfilter / ip_conntrack_proto_tcp.c

diff --git a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
index e0dc370..062b252 100644 (file)
--- a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
@@ -870,11 +870,8 @@ static int tcp_error(struct sk_buff *skb,
         * and moreover root might send raw packets.
         */
        /* FIXME: Source route IP option packets --RR */
-       if (hooknum == NF_IP_PRE_ROUTING
-           && skb->ip_summed != CHECKSUM_UNNECESSARY
-           && csum_tcpudp_magic(iph->saddr, iph->daddr, tcplen, IPPROTO_TCP,
-                                skb->ip_summed == CHECKSUM_HW ? skb->csum
-                                : skb_checksum(skb, iph->ihl*4, tcplen, 0))) {
+       if (hooknum == NF_IP_PRE_ROUTING &&
+           nf_ip_checksum(skb, hooknum, iph->ihl * 4, IPPROTO_TCP)) {
                if (LOG_INVALID(IPPROTO_TCP))
                        nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
                                  "ip_ct_tcp: bad TCP checksum ");