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[NETFILTER]: Fix ECN target TCP marking

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An incorrect check made it bail out before doing anything.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2005-08-20 17:38:40 -07:00 committed by David S. Miller
parent a5ea169c95
commit fd841326d7
1 changed files with 4 additions and 4 deletions
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8
net/ipv4/netfilter/ipt_ECN.c
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@ -61,10 +61,10 @@ set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo, int inward)
if (!tcph)
return 0;
if (!(einfo->operation & IPT_ECN_OP_SET_ECE
|| tcph->ece == einfo->proto.tcp.ece)
&& (!(einfo->operation & IPT_ECN_OP_SET_CWR
|| tcph->cwr == einfo->proto.tcp.cwr)))
if ((!(einfo->operation & IPT_ECN_OP_SET_ECE) ||
tcph->ece == einfo->proto.tcp.ece) &&
((!(einfo->operation & IPT_ECN_OP_SET_CWR) ||
tcph->cwr == einfo->proto.tcp.cwr)))
return 1;
if (!skb_ip_make_writable(pskb, (*pskb)->nh.iph->ihl*4+sizeof(*tcph)))