Re: tty_register_device NULL pointer dereference in 2.6.31-rc4

Alan Cox
2009-07-25T10:50:11Z

On Sat, 25 Jul 2009 12:01:43 +0200
Oliver Hartkopp <oliver@hartkopp.net> wrote:

> Hello Alan and Marcel,
>
> this morning i got a NULL pointer dereference in tty_register_device() that
> looked similar to the one, i posted here on 03-jun-2009:
>
> http://marc.info/?l=linux-bluetooth&m=124404919324542&w=2
>
> As the boot sequence stopped after this point, i was only able to take a
> picture of it - see attached jpg.
>
> I was able to shut down the system gracefully by pressing the power button.
>
> The problem emerges really seldom.
>
> Any idea?

tty_register_device appears to have been called with a NULL pointer. Not
sure why however.