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ip_tunnel: Initialize the fallback device properly

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We need to initialize the fallback device to have a correct mtu
set on this device. Otherwise the mtu is set to null and the device
is unusable.

Fixes: fd58156e456d ("IPIP: Use ip-tunneling code.")
Cc: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steffen Klassert 2014-05-19 11:36:56 +02:00 committed by David S. Miller
parent d8d33c3b8a
commit 78ff4be45a
1 changed files with 1 additions and 0 deletions
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net/ipv4/ip_tunnel.c
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@ -883,6 +883,7 @@ int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
*/
if (!IS_ERR(itn->fb_tunnel_dev)) {
itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;
itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);
ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));
}
rtnl_unlock();