linux-kernel - Re: [RFC ebeam PATCH v4 2/2] input: misc: New USB eBeam input driver.

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Message-ID: <5832321.EK5PCgIIzt@linux-lqwf.site>
Date:	Thu, 23 Aug 2012 08:54:55 +0200
From:	Oliver Neukum <oneukum@...e.de>
To:	Yann Cantin <yann.cantin@...oste.net>
Cc:	linux-input@...r.kernel.org, linux-usb@...r.kernel.org,
	gregkh@...uxfoundation.org, dmitry.torokhov@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC ebeam PATCH v4 2/2] input: misc: New USB eBeam input driver.

On Thursday 23 August 2012 00:11:54 Yann Cantin wrote:
> +       /* input final setup */
> +       err = input_register_device(ebeam->input);
> +       if (err) {
> +               dev_dbg(&intf->dev,
> +                       "%s - input_register_device failed, err: %d\n",
> +                       __func__, err);
> +               goto out_free_urb;
> +       }
> +
> +       ebeam_setup_input(ebeam, input_dev);
> +
> +       /* usb final setup */
> +       usb_set_intfdata(intf, ebeam);

Hi,

this looks like a classic race. You initialize the device after you
register it. However, it may be used at that time.

	Regards
		Oliver

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