Message ID | 20140519093656.GE32371@secunet.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Steffen Klassert <steffen.klassert@secunet.com> Date: Mon, 19 May 2014 11:36:56 +0200 > 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> > --- > > v2: Add a reference to the commit that added the bug. > No code changes since v1. Applied and queued up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 49721d7..2acc233 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -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();
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> --- v2: Add a reference to the commit that added the bug. No code changes since v1. net/ipv4/ip_tunnel.c | 1 + 1 file changed, 1 insertion(+)