From: Xin Long <lucien....@gmail.com>
Date: Mon, 18 Dec 2017 14:24:35 +0800
> ipgre tap driver calls ether_setup(), after commit 61e84623ace3
> ("net: centralize net_device min/max MTU checking"), the range
> of mtu is [min_mtu, max_mtu], which is [68, 1500] by default.
>
> It causes the dev mtu of the ipgre tap device to not be greater
> than 1500, this limit value is not correct for ipgre tap device.
>
> Besides, it's .change_mtu already does the right check. So this
> patch is just to set max_mtu as 0, and leave the check to it's
> .change_mtu.
>
> Fixes: 61e84623ace3 ("net: centralize net_device min/max MTU checking")
> Reported-by: Jianlin Shi <ji...@redhat.com>
> Signed-off-by: Xin Long <lucien....@gmail.com>
Applied.
