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Diffstat (limited to 'net/netfilter/nf_conntrack_proto_tcp.c')
-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index df99138c3b3b6b..6492ed66fb3c6c 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -864,7 +864,9 @@ static int csum6(const struct sk_buff *skb, unsigned int dataoff)
{
return csum_ipv6_magic(&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr,
skb->len - dataoff, IPPROTO_TCP,
- skb->ip_summed == CHECKSUM_HW ? skb->csum
+ skb->ip_summed == CHECKSUM_HW
+ ? csum_sub(skb->csum,
+ skb_checksum(skb, 0, dataoff, 0))
: skb_checksum(skb, dataoff, skb->len - dataoff,
0));
}