act_nat: the checksum of ICMP doesn't have pseudo header

after updating the value of the ICMP payload, inet_proto_csum_replace4() should
be called with zero pseudohdr.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index ea008f57fc83..abbf4fa66a0b 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -247,7 +247,7 @@ static int tcf_nat(struct sk_buff *skb, struct tc_action *a,
                         iph->saddr = new_addr;
 
                 inet_proto_csum_replace4(&icmph->checksum, skb, addr, new_addr,
-                                         1);
+                                         0);
                 break;
         }
         default: