Re: [patch RESEND] atp870u: 64 bit bug in atp885_init()

One Thousand Gnomes
2015-12-09T11:53:39Z

On Wed, 9 Dec 2015 13:24:53 +0300
Dan Carpenter <dan.carpenter@oracle.com> wrote:

> On 64 bit CPUs there is a memory corruption bug on probe(). It should
> be a u32 pointer instead of an unsigned long pointer or we write past
> the end of the setupdata[] array.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> Reviewed-by: Hannes Reinecke <hare@suse.com>
> ---
> Resending because we have shuffled the code around so the patch needed
> to be refreshed against linux-next. Although I do wonder why we are
> still working on this code since it has never worked on 64 bit systems
> so probably all the users gave up a decade ago.

So this is untested ? If so please make it very clear in the commit
message because the kernel is IMHO getting too full of polished, neat,
recently modified, never tested, never used code.

I agree it would be better if the driver was simply deleted. I've not
even seen an ATP870 bug report in years.

Alan