Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753359AbZLEHgu (ORCPT ); Sat, 5 Dec 2009 02:36:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752613AbZLEHgr (ORCPT ); Sat, 5 Dec 2009 02:36:47 -0500 Received: from rhlx01.hs-esslingen.de ([129.143.116.10]:48144 "EHLO rhlx01.hs-esslingen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752526AbZLEHgq (ORCPT ); Sat, 5 Dec 2009 02:36:46 -0500 Date: Sat, 5 Dec 2009 08:36:52 +0100 From: Andreas Mohr To: Alan Stern Cc: Ondrej Zary , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: debugging oops after disconnecting Nexio USB touchscreen Message-ID: <20091205073652.GA30203@rhlx01.hs-esslingen.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Priority: none User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 731 Lines: 20 Hi, > Furthermore, the patch shows that the second-to-last argument to > usb_fill_bulk_urb() -- the completion function -- is NULL. That is > strictly illegal and it should have caused an oops as soon as the URB > was used. Then there's definitely a WARN_ON or so missing in static inline void usb_fill_bulk_urb() And highly likely more checks in those areas that are causing my (and other people's) ftdi_sio tests and USB audio (MIPS mmap) to fail. Followup soon. Andreas Mohr -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/