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Commit 78ff4be4 authored by Steffen Klassert's avatar Steffen Klassert Committed by David S. Miller
Browse files

ip_tunnel: Initialize the fallback device properly 



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: fd58156e ("IPIP: Use ip-tunneling code.")
Cc: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d8d33c3b

net/ipv4/ip_tunnel.c

+1 −0
Original line number Diff line number Diff line
@@ -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();