4.6-stable review patch. If anyone has any objections, please let me know.
------------------ From: Chen Haiquan <[email protected]> [ Upstream commit ce577668a426c6a9e2470a09dcd07fbd6e45272a ] When create a new vxlan link, example: ip link add vtap mtu 1440 type vxlan vni 1 dev eth0 The argument "mtu" has no effect, because it is not set to conf->mtu. The default value is used in vxlan_dev_configure function. This problem was introduced by commit 0dfbdf4102b9 (vxlan: Factor out device configuration). Fixes: 0dfbdf4102b9 (vxlan: Factor out device configuration) Signed-off-by: Chen Haiquan <[email protected]> Acked-by: Cong Wang <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/net/vxlan.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2959,6 +2959,9 @@ static int vxlan_newlink(struct net *src if (data[IFLA_VXLAN_REMCSUM_NOPARTIAL]) conf.flags |= VXLAN_F_REMCSUM_NOPARTIAL; + if (tb[IFLA_MTU]) + conf.mtu = nla_get_u32(tb[IFLA_MTU]); + err = vxlan_dev_configure(src_net, dev, &conf); switch (err) { case -ENODEV:
