From mboxrd@z Thu Jan  1 00:00:00 1970
From: grant.likely@secretlab.ca (Grant Likely)
Date: Fri, 06 Apr 2012 20:45:30 -0700
Subject: [PATCH] gpio: Fix range check in of_gpio_simple_xlate()
In-Reply-To: <1333497778-26925-1-git-send-email-stigge@antcom.de>
References: <1333497778-26925-1-git-send-email-stigge@antcom.de>
Message-ID: <20120407034530.373A13E23DE@localhost>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Wed,  4 Apr 2012 02:02:58 +0200, Roland Stigge <stigge@antcom.de> wrote:
> This patch fixes a range check in of_gpio_simple_xlate() by replacing a
> "> gc->ngpio" with ">= gc->ngpio" since range is from 0 to gc->ngpio - 1
> 
> Signed-off-by: Roland Stigge <stigge@antcom.de>

Applied, thanks.

g.

> 
> ---
> 
>  Applies to v3.4-rc1
> 
>  drivers/of/gpio.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- linux-2.6.orig/drivers/of/gpio.c
> +++ linux-2.6/drivers/of/gpio.c
> @@ -140,7 +140,7 @@ int of_gpio_simple_xlate(struct gpio_chi
>  	if (WARN_ON(gpiospec->args_count < gc->of_gpio_n_cells))
>  		return -EINVAL;
>  
> -	if (gpiospec->args[0] > gc->ngpio)
> +	if (gpiospec->args[0] >= gc->ngpio)
>  		return -EINVAL;
>  
>  	if (flags)

-- 
Grant Likely, B.Sc, P.Eng.
Secret Lab Technologies,Ltd.