Re: [PATCH] drm: refactor call to request_module

From: Kees Cook
Date: Wed May 08 2013 - 11:35:48 EST


On Wed, May 8, 2013 at 12:22 AM, Paul Menzel
<paulepanter@xxxxxxxxxxxxxxxxxxxxx> wrote:
> Am Dienstag, den 07.05.2013, 12:32 -0700 schrieb Kees Cook:
>> This reduces the size of the stack frame when calling request_module().
>> Performing the sprintf before the call is not needed.
>
> Good fine. Do you have any hard numbers for the record?
>
> Did you find this just by reading the code or are there any problems
> with stack sizes on some systems?
>
> (This patch would be good alone for decreasing the number of code
> lines. ;-))

No hard numbers; I just saw it while reviewing callers to request_module(). :)

>> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
>> ---
>> drivers/gpu/drm/drm_encoder_slave.c | 6 +-----
>> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> Acked-by: Paul Menzel <paulepanter@xxxxxxxxxxxxxxxxxxxxx>

Thanks!

-Kees

--
Kees Cook
Chrome OS Security
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