From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Subject: Re: [patch]race between disconnect and open in usbtouchscreen
Date: Fri, 20 Nov 2009 13:22:59 -0800
Message-ID: <20091120212259.GC16447@core.coreip.homeip.net>
References: <200911202213.47916.oliver@neukum.org>
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To: Oliver Neukum <oliver@neukum.org>
Cc: linux-usb@vger.kernel.org, linux-input@vger.kernel.org, Ondrej Zary <linux@rainbow-software.org>, Jiri Kosina <jkosina@suse.cz>, Daniel Ritz <daniel.ritz@gmx.ch>

Hi Oliver,

On Fri, Nov 20, 2009 at 10:13:47PM +0100, Oliver Neukum wrote:
> Hi,
> 
> an open() between killing the urb and unregistering the device
> can lead to IO to a disconnected device.
> 

usbtouch_close() calls usb_kill_urb() so there is no race.
usb_kill_urb() simply not needed in usbtouch_disconnect().

Thanks.

-- 
Dmitry