[PATCH v2 2/2] netfilter: ip6t_SYNPROXY: fix sending window update to client

[Phil Sutter <phil@nwl.cc>]

This is the identical fix as "netfilter: ipt_SYNPROXY: fix sending
window update to client" but for the IPv6 variant which obviously
suffers from the same issue.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
Changes since v1:
- Adjust for v2 changes of first patch.
---
 net/ipv6/netfilter/ip6t_SYNPROXY.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c
index bcebc24..ebbb754 100644
--- a/net/ipv6/netfilter/ip6t_SYNPROXY.c
+++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c
@@ -243,7 +243,8 @@ synproxy_send_client_ack(const struct synproxy_net *snet,
 
 	synproxy_build_options(nth, opts);
 
-	synproxy_send_tcp(snet, skb, nskb, NULL, 0, niph, nth, tcp_hdr_size);
+	synproxy_send_tcp(snet, skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY,
+	                  niph, nth, tcp_hdr_size);
 }
 
 static bool
-- 
2.1.2