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Date: Wed, 02 Jul 2014 17:44:13 +0200
From: Hans Petter Selasky <hps@selasky.org>
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To: Jakub Wojciech Klama <jceel@FreeBSD.org>, src-committers@freebsd.org, 
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Subject: Re: svn commit: r268163 - in user/jceel/soc2014_evdev/head/sys: conf
 dev/evdev
References: <201407021540.s62FePTQ029148@svn.freebsd.org>
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On 07/02/14 17:40, Jakub Wojciech Klama wrote:
> +static int
> +uinput_poll(struct cdev *dev, int events, struct thread *td)
> +{
> +	struct uinput_cdev_state *state;
> +	int ret;
> +	int revents = 0;
> +
> +	debugf("cdev: poll by thread %d", td->td_tid);
> +
> +	ret = devfs_get_cdevpriv((void **)&state);
> +	if (ret != 0)
> +		return (ret);

Hi,

In case of error "poll" returns POLLNVAL, I think.

--HPS