diff options
| author | Haishuang Yan <yanhaishuang@cmss.chinamobile.com> | 2017-12-20 10:21:47 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-20 13:51:46 -0500 |
| commit | a7343211f007fdd9e4ebeb80b40d5054798eb890 (patch) | |
| tree | 65cdec8254ba7a3e87728aeb1b06e88a9c2f17d1 | |
| parent | dd8d5b8c5b22e31079b259b8bfb686f1fac1080a (diff) | |
ip6_gre: fix error path when ip6erspan_rcv failed
Same as ipv4 code, when ip6erspan_rcv call return PACKET_REJECT, we
should call icmpv6_send to send icmp unreachable message in error path.
Fixes: 5a963eb61b7c ("ip6_gre: Add ERSPAN native tunnel support")
Acked-by: William Tu <u9012063@gmail.com>
Cc: William Tu <u9012063@gmail.com>
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/ip6_gre.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 9bd110371fe3..b7a79ddcf851 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -602,12 +602,13 @@ static int gre_rcv(struct sk_buff *skb) tpi.proto == htons(ETH_P_ERSPAN2))) { if (ip6erspan_rcv(skb, hdr_len, &tpi) == PACKET_RCVD) return 0; - goto drop; + goto out; } if (ip6gre_rcv(skb, &tpi) == PACKET_RCVD) return 0; +out: icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0); drop: kfree_skb(skb); |