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>
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 @@
}
/* 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 @@
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;
}