On Thu, Apr 19 2001, Stefan Jaschke wrote:
> Hi Jens,
> 
> I applied your patch to 2.4.4-pre4. It compiled fine, but crashed during
> boot (just right after the IDE init) with
> -------------------
> Uniform CD-ROM driver Revision: 3.12
> Unable to handle kernel NULL pointer dereference at virtual address 00000000
> printing eip: ...
> Oops: 0000
> ...
> -------------------

This should fix it.

-- 
Jens Axboe