From 8bc7ec859e359e2696761c552bf329d45826bd7f Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 21 Apr 2010 14:59:20 -0700
Subject: [PATCH] --- yaml --- r: 194311 b: refs/heads/master c:
 e5700aff144fbbba46be40049f0c55fb57283777 h: refs/heads/master i:   194309:
 5f756c354d3d74b4cbca1fabbc8727d060711989   194307:
 3dc9458cf6c23d11a466790d0f0a266bc002c9e4   194303:
 74a32d666a067e1a1715da42f0c1dec058341339 v: v3

---
 [refs]                    | 2 +-
 trunk/net/ipv6/tcp_ipv6.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 3c897ec243e6..ce32b1bbbcc6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f71b70e115dd0bb34eee4d281a4fb6416e88cfff
+refs/heads/master: e5700aff144fbbba46be40049f0c55fb57283777
diff --git a/trunk/net/ipv6/tcp_ipv6.c b/trunk/net/ipv6/tcp_ipv6.c
index 5d2e4301e246..1ababbb41131 100644
--- a/trunk/net/ipv6/tcp_ipv6.c
+++ b/trunk/net/ipv6/tcp_ipv6.c
@@ -1054,6 +1054,9 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
 	ipv6_addr_copy(&fl.fl6_dst, &ipv6_hdr(skb)->saddr);
 	ipv6_addr_copy(&fl.fl6_src, &ipv6_hdr(skb)->daddr);
 
+	buff->ip_summed = CHECKSUM_PARTIAL;
+	buff->csum = 0;
+
 	__tcp_v6_send_check(buff, &fl.fl6_src, &fl.fl6_dst);
 
 	fl.proto = IPPROTO_TCP;