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[NETFILTER]: Fix check whether dst_entry needs to be released after NAT 

After DNAT the original dst_entry needs to be released if present
so the packet doesn't skip input routing with its new address. The
current check for DNAT in ip_nat_in is reversed and checks for SNAT.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2006-02-04 02:19:46 -08:00 committed by David S. Miller
parent 0047c65a60
commit 7918d212df
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/netfilter/ip_nat_standalone.c
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@ -209,8 +209,8 @@ ip_nat_in(unsigned int hooknum,
&& (ct = ip_conntrack_get(*pskb, &ctinfo)) != NULL) {
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
if (ct->tuplehash[dir].tuple.src.ip !=
ct->tuplehash[!dir].tuple.dst.ip) {
if (ct->tuplehash[dir].tuple.dst.ip !=
ct->tuplehash[!dir].tuple.src.ip) {
dst_release((*pskb)->dst);
(*pskb)->dst = NULL;
}