[PATCH v2 25/40] drm: Detect overflow in drm_mm_reserve_node()

[Joonas Lahtinen]

On pe, 2016-12-16 at 07:47 +0000, Chris Wilson wrote:
> Protect ourselves from a caller passing in node.start + node.size that
> will overflow and trick us into reserving that node.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

I was about to suggest an additional check (but didn't). A combined
check is much more clever.

Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Regards, Joonas
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation