From: Geert Uytterhoeven
Date: Mon, 22 Aug 2016 15:01:03 +0200
> If no RARP, BOOTP, or DHCP response is received, ic_dev is never set,
> causing a NULL pointer dereference in ic_close_devs():
>
> Sending DHCP requests .. timed out!
> Unable to handle kernel NULL pointer dereference a
If no RARP, BOOTP, or DHCP response is received, ic_dev is never set,
causing a NULL pointer dereference in ic_close_devs():
Sending DHCP requests .. timed out!
Unable to handle kernel NULL pointer dereference at virtual address 0004
To fix this, add a check to avoid dereferencing