From: gfree.w...@vip.163.com
Date: Fri, 16 Jun 2017 15:00:02 +0800
> From: Gao Feng
>
> The register_vlan_device would invoke free_netdev directly, when
> register_vlan_dev failed. It would trigger the BUG_ON in free_netdev
> if the dev was already registered. In this case, the netdev would be
>
From: Gao Feng
The register_vlan_device would invoke free_netdev directly, when
register_vlan_dev failed. It would trigger the BUG_ON in free_netdev
if the dev was already registered. In this case, the netdev would be
freed in netdev_run_todo later.
So add one condition check now. Only when dev
