[PATCH] gpio: Fix range check in of_gpio_simple_xlate()
Grant Likely
grant.likely at secretlab.ca
Fri Apr 6 23:45:30 EDT 2012
On Wed, 4 Apr 2012 02:02:58 +0200, Roland Stigge <stigge at 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 at 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.
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