linux-kernel - Re: [PATCH] timekeeping: Use min() to fix Coccinelle warning

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Date: Mon, 24 Jun 2024 11:30:39 -0700
From: John Stultz <jstultz@...gle.com>
To: Thorsten Blum <thorsten.blum@...lux.com>
Cc: tglx@...utronix.de, sboyd@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] timekeeping: Use min() to fix Coccinelle warning

On Sun, Jun 23, 2024 at 11:24 PM Thorsten Blum <thorsten.blum@...lux.com> wrote:
>
> Fixes the following Coccinelle/coccicheck warning reported by
> minmax.cocci:
>
>         WARNING opportunity for min()
>
> Signed-off-by: Thorsten Blum <thorsten.blum@...lux.com>
> ---
>  kernel/time/timekeeping.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
> index 4e18db1819f8..f1a9c52b7c66 100644
> --- a/kernel/time/timekeeping.c
> +++ b/kernel/time/timekeeping.c
> @@ -799,7 +799,7 @@ static void timekeeping_forward_now(struct timekeeper *tk)
>
>         while (delta > 0) {
>                 u64 max = tk->tkr_mono.clock->max_cycles;
> -               u64 incr = delta < max ? delta : max;
> +               u64 incr = min(delta, max);

Acked-by: John Stultz <jstultz@...gle.com>

thanks
-john