[Mesa-dev] [PATCH] gallium/util: fix undefined shift to the last bit in u_bit_scan

[Bas Nieuwenhuizen]

Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

On Sat, Apr 16, 2016 at 2:13 AM, Marek Olšák <maraeo at gmail.com> wrote:
> From: Marek Olšák <marek.olsak at amd.com>
>
> ---
>  src/gallium/auxiliary/util/u_math.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h
> index 0a82915..d983af3 100644
> --- a/src/gallium/auxiliary/util/u_math.h
> +++ b/src/gallium/auxiliary/util/u_math.h
> @@ -489,7 +489,7 @@ static inline int
>  u_bit_scan(unsigned *mask)
>  {
>     int i = ffs(*mask) - 1;
> -   *mask &= ~(1 << i);
> +   *mask &= ~(1u << i);
>     return i;
>  }
>
> --
> 2.5.0
>
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