[PATCH 1/2] drivers gpio: Check for negativ gpio values

[Jan Lübbe]

On Mon, 2012-09-24 at 10:59 +0200, Teresa Gámez wrote:
>  static int gpio_is_valid(unsigned gpio)
>  {
> -	if (gpio < ARCH_NR_GPIOS)
> +	if (gpio < ARCH_NR_GPIOS && gpio >= 0)

For an 'unsigned gpio', gpio >= 0 is always true.

Regards,
Jan Lübbe
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