[PATCH 1/2] drm/fourcc: Fix fourcc_mod_code() definition

[Daniel Vetter]

On Mon, Nov 27, 2017 at 10:39:47AM +0100, Thierry Reding wrote:
> From: Thierry Reding <treding at nvidia.com>
> 
> Avoid compiler warnings when the val parameter is an expression.
> 
> Signed-off-by: Thierry Reding <treding at nvidia.com>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  include/uapi/drm/drm_fourcc.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 3ad838d3f93f..a76ed8f9e383 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -188,7 +188,7 @@ extern "C" {
>  #define DRM_FORMAT_RESERVED	      ((1ULL << 56) - 1)
>  
>  #define fourcc_mod_code(vendor, val) \
> -	((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | (val & 0x00ffffffffffffffULL))
> +	((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | ((val) & 0x00ffffffffffffffULL))
>  
>  /*
>   * Format Modifier tokens:
> -- 
> 2.15.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch