Re: [3.15-rc3] BUG: null ptr dereference in ichx_gpio_request_regions()

Peter Hurley
2014-05-07T14:34:06Z

Hi Vincent,

On 05/07/2014 10:05 AM, Vincent Donnefort wrote:
> Hello Peter,

>> This is almost certainly caused by the uninitialized regs ptr
>> in the ich6_desc struct (i3100_desc struct has the same problem)
>> introduced in this commit:
>>
>> commit bb62a35bd5d96e506af0ea8dd145480b9172a2a6
>> Author: Vincent Donnefort <vdonnefort@gmail.com>
>> Date: Fri Feb 14 15:01:56 2014 +0100
>>
>> gpio: ich: Add support for multiple register addresses
>>
>> This patch introduces regs and reglen pointers which allow a chipset to have
>> register addresses differing from ICH ones.
>>
>> Acked-by: Linus Walleij <linus.walleij@linaro.org>
>> Signed-off-by: Vincent Donnefort <vdonnefort@gmail.com>
>> Signed-off-by: Lee Jones <lee.jones@linaro.org>
>>
>
> Yes indeed, this must be linked to this thread https://lkml.org/lkml/2014/4/15/292

Thanks for the link.

I searched through LKML but without the driver name or the offending function
in the commit message I couldn't find it.

Linus,

What tree is this bug fix trapped in? I see it didn't make -rc4 either.

Regards,
Peter Hurley