diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2009-03-16 15:06:42 +0100 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2009-03-16 15:06:42 +0100 |
| commit | b1e93a68ca41e7e73766f95ba32ca05cf9052e15 (patch) | |
| tree | 6ace3ccb810bda4e3f5bc9bd20b103a53c97bb46 | |
| parent | 325fb5b4d26038cba665dd0d8ee09555321061f0 (diff) | |
| download | blackbird-op-linux-b1e93a68ca41e7e73766f95ba32ca05cf9052e15.tar.gz blackbird-op-linux-b1e93a68ca41e7e73766f95ba32ca05cf9052e15.zip | |
netfilter: conntrack: don't deliver events for racy packets
This patch skips the delivery of conntrack events if the packet
was drop due to a race condition in the conntrack insertion.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
| -rw-r--r-- | include/net/netfilter/nf_conntrack_core.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h index c25068e38516..5a449b44ba33 100644 --- a/include/net/netfilter/nf_conntrack_core.h +++ b/include/net/netfilter/nf_conntrack_core.h @@ -62,7 +62,8 @@ static inline int nf_conntrack_confirm(struct sk_buff *skb) 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); + if (likely(ret == NF_ACCEPT)) + nf_ct_deliver_cached_events(ct); } return ret; } |
