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erspan: fix error handling for erspan tunnel 

When processing icmp unreachable message for erspan tunnel, tunnel id
should be erspan_net_id instead of ipgre_net_id.

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>
This commit is contained in:
Haishuang Yan 2018-09-10 22:19:48 +08:00 committed by David S. Miller
parent 5a64506b5c
commit 51dc63e391
1 changed files with 3 additions and 0 deletions
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3
net/ipv4/ip_gre.c
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@ -178,6 +178,9 @@ static void ipgre_err(struct sk_buff *skb, u32 info,
if (tpi->proto == htons(ETH_P_TEB))
itn = net_generic(net, gre_tap_net_id);
else if (tpi->proto == htons(ETH_P_ERSPAN) ||
tpi->proto == htons(ETH_P_ERSPAN2))
itn = net_generic(net, erspan_net_id);
else
itn = net_generic(net, ipgre_net_id);