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authorJarno Rajahalme <jarno@ovn.org>2016-03-10 10:54:19 -0800
committerPablo Neira Ayuso <pablo@netfilter.org>2016-03-14 23:47:28 +0100
commit394e910e909b174270b8231fd51942eb2f541fb9 (patch)
tree22af2e228b56131f7f140e1a4f1b7e28a5e47f4b /net
parent9f13ded8d3c715147c4759f937cfb712c185ca13 (diff)
downloadop-kernel-dev-394e910e909b174270b8231fd51942eb2f541fb9.zip
op-kernel-dev-394e910e909b174270b8231fd51942eb2f541fb9.tar.gz
openvswitch: Update the CT state key only after nf_conntrack_in().
Only a successful nf_conntrack_in() call can effect a connection state change, so it suffices to update the key only after the nf_conntrack_in() returns. This change is needed for the later NAT patches. Signed-off-by: Jarno Rajahalme <jarno@ovn.org> Acked-by: Joe Stringer <joe@ovn.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
-rw-r--r--net/openvswitch/conntrack.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 2c2bf07..a487bb3 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -382,7 +382,8 @@ static bool skb_nfct_cached(const struct net *net, const struct sk_buff *skb,
}
/* Pass 'skb' through conntrack in 'net', using zone configured in 'info', if
- * not done already. Update key with new CT state.
+ * not done already. Update key with new CT state after passing the packet
+ * through conntrack.
* Note that if the packet is deemed invalid by conntrack, skb->nfct will be
* set to NULL and 0 will be returned.
*/
@@ -411,14 +412,14 @@ static int __ovs_ct_lookup(struct net *net, struct sw_flow_key *key,
skb) != NF_ACCEPT)
return -ENOENT;
+ ovs_ct_update_key(skb, info, key, true);
+
if (ovs_ct_helper(skb, info->family) != NF_ACCEPT) {
WARN_ONCE(1, "helper rejected packet");
return -EINVAL;
}
}
- ovs_ct_update_key(skb, info, key, true);
-
return 0;
}
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