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authorDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-05-05 13:59:37 +0100
committerDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-05-05 13:59:37 +0100
commitbfd4bda097f8758d28e632ff2035e25577f6b060 (patch)
tree022276b3625a432c7132e39776e7e448445087ac /net/ipv4/netfilter/ip_conntrack_proto_tcp.c
parent488f2eaca1b0831a5a5e6a66e33bad2cdeff7238 (diff)
parentb2d84f078a8be40f5ae3b4d2ac001e2a7f45fe4f (diff)
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'net/ipv4/netfilter/ip_conntrack_proto_tcp.c')
-rw-r--r--net/ipv4/netfilter/ip_conntrack_proto_tcp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
index 2b87c1974be6..721ddbf522b4 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
@@ -819,6 +819,7 @@ static int tcp_error(struct sk_buff *skb,
*/
/* 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))) {