summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorPatrick McHardy <kaber@trash.net>2009-02-18 15:30:34 +0100
committerPatrick McHardy <kaber@trash.net>2009-02-18 15:30:34 +0100
commit5962fc6d5fff09c8e6fb8cadcb18327a0f4277f7 (patch)
tree2cc5e20956687640229913c60b043db147321772
parentnetfilter: nfnetlink_log: fix timeout handling (diff)
downloadlinux-5962fc6d5fff09c8e6fb8cadcb18327a0f4277f7.tar.xz
linux-5962fc6d5fff09c8e6fb8cadcb18327a0f4277f7.zip
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>
-rw-r--r--include/net/netfilter/nf_conntrack_core.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index e78afe7f28e3..c25068e38516 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -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);