[PATCH 1/1] regulator: gpio-regulator: fix crash when no states property in dt

[Mark Brown]

On Fri, Nov 09, 2012 at 04:34:36PM +0800, Frank Li wrote:

>  	/* Fetch states. */
>  	prop = of_find_property(np, "states", NULL);
> -	proplen = prop->length / sizeof(int);
> +	proplen = prop ? prop->length / sizeof(int) : 0;

Aren't states mandatory for this driver, in which case shouldn't the
probe fail here?
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