[37/59] act_nat: the checksum of ICMP doesnt have pseudo header

[Greg KH]

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------


From: Changli Gao <xiaosuo@xxxxxxxxx>

[ Upstream commit 3a3dfb062c2e086c202d34f09ce29634515ad256 ]

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

Signed-off-by: Changli Gao <xiaosuo@xxxxxxxxx>
Acked-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 net/sched/act_nat.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -240,7 +240,7 @@ static int tcf_nat(struct sk_buff *skb,
 			iph->saddr = new_addr;
 
 		inet_proto_csum_replace4(&icmph->checksum, skb, addr, new_addr,
-					 1);
+					 0);
 		break;
 	}
 	default:


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