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Message-ID: <593747f1-4256-4931-9d5c-50f1b68d3c2b@kernel.org>
Date: Thu, 4 Apr 2024 10:11:14 +0200
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Subject: Re: [PATCH v3] tty: xtensa/iss: Use min() to fix Coccinelle warning
To: Thorsten Blum <thorsten.blum@toblux.com>
Cc: chris@zankel.net, gregkh@linuxfoundation.org, jcmvbkbc@gmail.com,
 linux-kernel@vger.kernel.org
References: <528c6824-287e-4be2-82f3-7fcdd254eb15@kernel.org>
 <20240404075811.6936-3-thorsten.blum@toblux.com>
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From: Jiri Slaby <jirislaby@kernel.org>
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In-Reply-To: <20240404075811.6936-3-thorsten.blum@toblux.com>
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On 04. 04. 24, 9:58, Thorsten Blum wrote:
> Inline strlen() and use min() to fix the following Coccinelle/coccicheck
> warning reported by minmax.cocci:
> 
> 	WARNING opportunity for min()
> 
> Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>

Reviewed-by: Jiri Slaby <jirislaby@kernel.org>

Thanks.

> ---
> Changes in v2:
> - Use min() instead of umin() as suggested by Jiri Slaby
> 
> Changes in v3:
> - Inline strlen() as suggested by Jiri Slaby
> ---
>   arch/xtensa/platforms/iss/console.c | 6 ++----
>   1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
> index 8896e691c051..abec44b687df 100644
> --- a/arch/xtensa/platforms/iss/console.c
> +++ b/arch/xtensa/platforms/iss/console.c
> @@ -166,10 +166,8 @@ late_initcall(rs_init);
>   
>   static void iss_console_write(struct console *co, const char *s, unsigned count)
>   {
> -	if (s && *s != 0) {
> -		int len = strlen(s);
> -		simc_write(1, s, count < len ? count : len);
> -	}
> +	if (s && *s != 0)
> +		simc_write(1, s, min(count, strlen(s)));
>   }
>   
>   static struct tty_driver* iss_console_device(struct console *c, int *index)

-- 
js
suse labs