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: 84e54fe ("gre: introduce native tunnel support for ERSPAN") Signed-off-by: Xin Long <[email protected]> Signed-off-by: David S. Miller <[email protected]>
josf · Oct 2, 2017 · c84bed4 · c84bed4
1 parent c122fda
commit c84bed4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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);
 }