tunneling: Don't send ICMP messages if no tunnel port is found.

[cascardo/ovs.git] / datapath / vport-gre.c

diff --git a/datapath/vport-gre.c b/datapath/vport-gre.c
index 3c13499..eb942e6 100644 (file)
--- a/datapath/vport-gre.c
+++ b/datapath/vport-gre.c
@@ -399,10 +399,8 @@ static int gre_rcv(struct sk_buff *skb)
        iph = ip_hdr(skb);
        vport = ovs_tnl_find_port(dev_net(skb->dev), iph->daddr, iph->saddr, key,
                                  tunnel_type, &mutable);
-       if (unlikely(!vport)) {
-               icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
+       if (unlikely(!vport))
                goto error;
-       }
 
        tnl_flags = gre_flags_to_tunnel_flags(mutable, gre_flags, &key);
        tnl_tun_key_init(&tun_key, iph, key, tnl_flags);