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netfilter: nf_conntrack: don't try to deliver events for untracked connections 

The untracked conntrack actually does usually have events marked for
delivery as its not special-cased in that part of the code. Skip the
actual delivery since it impacts performance noticeably.

Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Patrick McHardy 2009-02-18 15:30:34 +01:00
parent 2c6764b743
commit 5962fc6d5f
1 changed files with 1 additions and 1 deletions
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2
include/net/netfilter/nf_conntrack_core.h
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@ -59,7 +59,7 @@ static inline int nf_conntrack_confirm(struct sk_buff *skb)
struct nf_conn *ct = (struct nf_conn *)skb->nfct;
int ret = NF_ACCEPT;
if (ct) {
if (ct && ct != &nf_conntrack_untracked) {
if (!nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct))
ret = __nf_conntrack_confirm(skb);
nf_ct_deliver_cached_events(ct);