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From: "Philippe Rétornaz" <philippe.retornaz@epfl.ch>
To: Axel Lin <axel.lin@gmail.com>
Cc: linux-kernel@vger.kernel.org, Richard Purdie <rpurdie@rpsys.net>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] leds: mc13783: fix off-by-one for checking num_leds
Date: Mon, 12 Dec 2011 10:45:28 +0100	[thread overview]
Message-ID: <2041769.UEZ0VI7T2U@laptop> (raw)
In-Reply-To: <1323501296.2539.2.camel@phoenix>

Le samedi 10 décembre 2011 15:14:56 Axel Lin a écrit :
> The LED id is begin from 0.
> Thus the maximum number of leds should be MC13783_LED_MAX + 1.
> 
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
> ---
>  drivers/leds/leds-mc13783.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
> index c61e8c4..8bc4915 100644
> --- a/drivers/leds/leds-mc13783.c
> +++ b/drivers/leds/leds-mc13783.c
> @@ -275,7 +275,7 @@ static int __devinit mc13783_led_probe(struct
> platform_device *pdev) return -ENODEV;
>  	}
> 
> -	if (pdata->num_leds < 1 || pdata->num_leds > MC13783_LED_MAX) {
> +	if (pdata->num_leds < 1 || pdata->num_leds > (MC13783_LED_MAX + 1)) {
>  		dev_err(&pdev->dev, "Invalid led count %d\n", pdata->num_leds);
>  		return -EINVAL;
>  	}

Acked-by: Philippe Retornaz <philippe.retornaz@epfl.ch>

Thanks ! 

Philippe


      reply	other threads:[~2011-12-12  9:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-10  7:14 [PATCH] leds: mc13783: fix off-by-one for checking num_leds Axel Lin
2011-12-12  9:45 ` Philippe Rétornaz [this message]

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