From: Chanho Min
Date: Wed, 22 Jun 2016 19:08:13 +0900
> To fix this, I suggested patch that checks if device is available
> before the DHCP packet is sended.
The bug is more fundamental than this.
The code is not taking a reference to the netdevice, and that's
the only reason it is able to dis
The USB to ethernet can be detached and free netdev after
rtnl mutex is released. It can cause null reference during
the dynamic IP configuration.
sequence is:
ic_open_devs
rtnl_lock();
wait for a carrier
hub_event()
