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path: root/net/ipv4/ipvs/ip_vs_proto_tcp.c
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Diffstat (limited to 'net/ipv4/ipvs/ip_vs_proto_tcp.c')
-rw-r--r--net/ipv4/ipvs/ip_vs_proto_tcp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/ipvs/ip_vs_proto_tcp.c b/net/ipv4/ipvs/ip_vs_proto_tcp.c
index b60a07910df..16a9ebee2fe 100644
--- a/net/ipv4/ipvs/ip_vs_proto_tcp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_tcp.c
@@ -116,9 +116,9 @@ tcp_fast_csum_update(struct tcphdr *tcph, __be32 oldip, __be32 newip,
__be16 oldport, __be16 newport)
{
tcph->check =
- ip_vs_check_diff(~oldip, newip,
- ip_vs_check_diff(oldport ^ htons(0xFFFF),
- newport, tcph->check));
+ csum_fold(ip_vs_check_diff4(oldip, newip,
+ ip_vs_check_diff2(oldport, newport,
+ ~csum_unfold(tcph->check))));
}