Re: [PATCH 1/1] ATA: piix, fix pointer deref on suspend

From: Alan Cox
Date: Wed Dec 03 2008 - 05:14:51 EST

On Wed, 3 Dec 2008 09:13:46 +0100
Jiri Slaby <jirislaby@xxxxxxxxx> wrote:

> Hi,
> I've found this issue in the mmotm 2008-12-02-17-08.
> --
> Commit
> ata_piix: add borked Tecra M4 to broken suspend list
> introduced DMI variables checking, but they can be null, so that
> we possibly dereference null.
> Check if they are null and avoid checks in that case.

Gak.. Add some kind of helper to the dmi code to do this and do the
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