Re: [v4l-dvb-maintainer] [PATCH] [PATCH] v4l: Introduce "index" attribute for?persistent video4linux device nodes

[Trent Piepho <xyzzy@xxxxxxxxxxxxx>]

On Mon, 23 Jun 2008, Brandon Philips wrote:
> +	for (i = 0; i < 32; i++) {
> +		if (used & (1 << i))
> +			continue;
> +		return i;
> +	}

	i = ffz(used);
	return i >= 32 ? -ENFILE : i;

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