[Intel-gfx] [PATCH] Make is_signed_type() simpler

[Steven Rostedt]

On Sun, 29 Sep 2019 23:06:19 +0300
Alexey Dobriyan <adobriyan at gmail.com> wrote:

> * Simply compare -1 with 0,
> * Drop unnecessary parenthesis sets
> 
> New macro leaves pointer as "unsigned type" but gives a warning,
> which should be fine because asking whether a pointer is signed is
> strange question.
> 
> I'm not sure what's going on in the i915 driver, it is shipping kernel
> pointers to userspace.

This tells us what the patch does, not why.

-- Steve

> 
> Signed-off-by: Alexey Dobriyan <adobriyan at gmail.com>