Re: [PATCH] media: platform: replace ternary operator with max()

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Hi Guo Zhengkui,

Please mention the driver in the subject line! Saying 'media: platform:' suggests
changes throughout many media/platform drivers, but this is just for a single
driver.

Regards,

	Hans

On 5/13/22 15:32, Guo Zhengkui wrote:
> 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>
> ---
>  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 */



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