Re: [PATCH v2] media: platform: samsung: s5p-jpeg: replace ternary operator with max()

[Andrzej Pietrasiewicz]

Hi Guo Zhengkui,

Sorry about the delay.

W dniu 18.05.2022 o 14:08, Guo Zhengkui pisze:
> Fix the following coccicheck warning:
>
> drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c:1712:24-25:
> WARNING opportunity for max()
>
> max() macro is defined in include/linux/minmax.h. It avoids multiple
> evaluations of the arguments when non-constant and performs strict
> type-checking.
>
> Signed-off-by: Guo Zhengkui <guozhengkui@xxxxxxxx>

Acked-by: Andrzej Pietrasiewicz <andrzejtp2010@xxxxxxxxx>

> ---
> v1 -> v2: Change the subject according to Hans Verkuil's suggestion.
>
>   drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c b/drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c
> index 456287186ad8..55814041b8d8 100644
> --- a/drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c
> +++ b/drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c
> @@ -1709,7 +1709,7 @@ static int exynos3250_jpeg_try_downscale(struct s5p_jpeg_ctx *ctx,
>   	w_ratio = ctx->out_q.w / r->width;
>   	h_ratio = ctx->out_q.h / r->height;
>   
> -	scale_factor = w_ratio > h_ratio ? w_ratio : h_ratio;
> +	scale_factor = max(w_ratio, h_ratio);
>   	scale_factor = clamp_val(scale_factor, 1, 8);
>   
>   	/* Align scale ratio to the nearest power of 2 */