From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Neukum Subject: Re: [RFC ebeam PATCH v4 2/2] input: misc: New USB eBeam input driver. Date: Thu, 23 Aug 2012 08:54:55 +0200 Message-ID: <5832321.EK5PCgIIzt@linux-lqwf.site> References: <1345673514-11575-1-git-send-email-yann.cantin@laposte.net> <1345673514-11575-3-git-send-email-yann.cantin@laposte.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <1345673514-11575-3-git-send-email-yann.cantin@laposte.net> Sender: linux-kernel-owner@vger.kernel.org To: Yann Cantin Cc: linux-input@vger.kernel.org, linux-usb@vger.kernel.org, gregkh@linuxfoundation.org, dmitry.torokhov@gmail.com, linux-kernel@vger.kernel.org List-Id: linux-input@vger.kernel.org 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