Re: [PATCH] drm/msm/submit: fix overflow check on 64-bit architectures

[Stephen Boyd]

Quoting Arnd Bergmann (2021-09-27 04:36:23)
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> The overflow check does causes a warning from clang-14 when 'sz' is a type
> that is smaller than size_t:
>
> drivers/gpu/drm/msm/msm_gem_submit.c:217:10: error: result of comparison of constant 18446744073709551615 with expression of type 'unsigned int' is always false [-Werror,-Wtautological-constant-out-of-range-compare]
>                 if (sz == SIZE_MAX) {
>
> Change the type accordingly.
>
> Fixes: 20224d715a88 ("drm/msm/submit: Move copy_from_user ahead of locking bos")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---

Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>