ip_tunnel: Resolve ipsec merge conflict properly.

We want to use dev_set_mtu() regardless of how we calculate
the mtu value.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-03-29 11:42:14 -04:00
parent 2d2d99ec13
commit 5568cdc368

View File

@ -1120,14 +1120,14 @@ int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[],
if (tb[IFLA_MTU]) {
unsigned int max = 0xfff8 - dev->hard_header_len - nt->hlen;
dev->mtu = clamp(dev->mtu, (unsigned int)ETH_MIN_MTU,
(unsigned int)(max - sizeof(struct iphdr)));
} else {
err = dev_set_mtu(dev, mtu);
if (err)
goto err_dev_set_mtu;
mtu = clamp(dev->mtu, (unsigned int)ETH_MIN_MTU,
(unsigned int)(max - sizeof(struct iphdr)));
}
err = dev_set_mtu(dev, mtu);
if (err)
goto err_dev_set_mtu;
ip_tunnel_add(itn, nt);
return 0;