linux-kernel - Re: [PATCH 30/38] leds: flash: remove invalid check

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Message-id: <5601050B.1000802@samsung.com>
Date:	Tue, 22 Sep 2015 09:36:43 +0200
From:	Jacek Anaszewski <j.anaszewski@...sung.com>
To:	Andrzej Hajda <a.hajda@...sung.com>
Cc:	linux-kernel@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Richard Purdie <rpurdie@...ys.net>, linux-leds@...r.kernel.org
Subject: Re: [PATCH 30/38] leds: flash: remove invalid check

Hi Andrzej,

On 09/21/2015 03:34 PM, Andrzej Hajda wrote:
> Unsigned cannot be lesser than zero.
>
> The problem has been detected using proposed semantic patch
> scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
>
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
>
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
> ---
>   drivers/leds/led-class-flash.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/leds/led-class-flash.c b/drivers/leds/led-class-flash.c
> index 3b25734..c209077 100644
> --- a/drivers/leds/led-class-flash.c
> +++ b/drivers/leds/led-class-flash.c
> @@ -108,7 +108,7 @@ static ssize_t flash_strobe_store(struct device *dev,
>   	if (ret)
>   		goto unlock;
>
> -	if (state < 0 || state > 1) {
> +	if (state > 1) {
>   		ret = -EINVAL;
>   		goto unlock;
>   	}
>

Merged, thanks.

-- 
Best Regards,
Jacek Anaszewski
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