erspan: return PACKET_REJECT when the appropriate tunnel is not found
[ Upstream commitpull/10/head5a64506b5c
] If erspan tunnel hasn't been established, we'd better send icmp port unreachable message after receive erspan packets. Fixes:84e54fe0a5
("gre: introduce native tunnel support for ERSPAN") Cc: William Tu <u9012063@gmail.com> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Acked-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
parent
456191a855
commit
1beb52cea6
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@ -322,6 +322,8 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
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ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);
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return PACKET_RCVD;
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}
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return PACKET_REJECT;
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drop:
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kfree_skb(skb);
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return PACKET_RCVD;
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