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authorPatrick McHardy <kaber@trash.net>2008-04-14 11:15:51 +0200
committerPatrick McHardy <kaber@trash.net>2008-04-14 11:15:51 +0200
commit8c87238b726e543f8af4bdb4296020a328df4744 (patch)
treed6c74123cfdd8ccd784f8383446a19d260c9bddf /include/net/netfilter
parent42cf800c240fa845e9c154429d70d62750e65b64 (diff)
[NETFILTER]: nf_nat: don't add NAT extension for confirmed conntracks
Adding extensions to confirmed conntracks is not allowed to avoid races on reallocation. Don't setup NAT for confirmed conntracks in case NAT module is loaded late. The has one side-effect, the connections existing before the NAT module was loaded won't enter the bysource hash. The only case where this actually makes a difference is in case of SNAT to a multirange where the IP before NAT is also part of the range. Since old connections don't enter the bysource hash the first new connection from the IP will have a new address selected. This shouldn't matter at all. Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/net/netfilter')
-rw-r--r--include/net/netfilter/nf_nat_rule.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/include/net/netfilter/nf_nat_rule.h b/include/net/netfilter/nf_nat_rule.h
index 75d1825031d..e4a18ae361c 100644
--- a/include/net/netfilter/nf_nat_rule.h
+++ b/include/net/netfilter/nf_nat_rule.h
@@ -14,7 +14,4 @@ extern int nf_nat_rule_find(struct sk_buff *skb,
extern unsigned int
alloc_null_binding(struct nf_conn *ct, unsigned int hooknum);
-
-extern unsigned int
-alloc_null_binding_confirmed(struct nf_conn *ct, unsigned int hooknum);
#endif /* _NF_NAT_RULE_H */