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authorXin Long <lucien.xin@gmail.com>2017-10-01 22:00:56 +0800
committerDavid S. Miller <davem@davemloft.net>2017-10-01 22:30:32 -0700
commitc84bed440e4e11a973e8c0254d0dfaccfca41fb0 (patch)
tree037f60ca472cd85fa942b6e5da0c8e4eb405220b /net/ipv4
parentc122fda271717f4fc618e0a31e833941fd5f1efd (diff)
ip_gre: erspan device should keep dst
The patch 'ip_gre: ipgre_tap device should keep dst' fixed the issue ipgre_tap dev mtu couldn't be updated in tx path. The same fix is needed for erspan as well. Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN") Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/ip_gre.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index fad0bb1e3e9a..467e44d7587d 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1254,6 +1254,7 @@ static int erspan_tunnel_init(struct net_device *dev)
dev->features |= GRE_FEATURES;
dev->hw_features |= GRE_FEATURES;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+ netif_keep_dst(dev);
return ip_tunnel_init(dev);
}