Re: [PATCH] rtc: add devm_rtc_device_{register,unregister}()

['Tejun Heo']

On Mon, Feb 25, 2013 at 04:35:53PM +0900, Jingoo Han wrote:
> +static void devm_rtc_device_release(struct device *dev, void *res)
> +{
> +	struct rtc_device *rtc = *(struct rtc_device **)res;
> +
> +	rtc_device_unregister(rtc);
> +}
> +
> +static int devm_rtc_device_match(struct device *dev, void *res, void *data)
> +{
> +	struct rtc **r = res;
> +	if (!r || !*r) {
> +		WARN_ON(!r || !*r);
> +		return 0;
> +	}

	if (WARN_ON(!r || !*r))
		return 0;

But why do we need this at all?  Other match functions don't need it.
Is something different about devm_rtc?

Thanks.

-- 
tejun
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