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From: Andreas Mohr <andi@lisas.de>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Ondrej Zary <linux@rainbow-software.org>,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: debugging oops after disconnecting Nexio USB touchscreen
Date: Sat, 5 Dec 2009 08:36:52 +0100	[thread overview]
Message-ID: <20091205073652.GA30203@rhlx01.hs-esslingen.de> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0912031710130.4795-100000@iolanthe.rowland.org>

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

  parent reply	other threads:[~2009-12-05  7:36 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-27 13:38 Ondrej Zary
2009-11-27 18:19 ` Alan Stern
2009-11-30 15:30   ` Ondrej Zary
2009-11-30 20:19     ` Alan Stern
2009-12-01 10:06       ` Ondrej Zary
2009-12-01 15:11         ` Alan Stern
2009-12-02  8:52           ` Ondrej Zary
2009-12-02  9:42             ` Oliver Neukum
2009-12-03  9:30               ` Ondrej Zary
2009-12-02 15:58             ` Alan Stern
2009-12-03 12:31               ` Ondrej Zary
2009-12-03 19:39                 ` Alan Stern
2009-12-03 20:55                   ` Ondrej Zary
2009-12-03 22:22                     ` Alan Stern
2009-12-04 12:22                       ` Ondrej Zary
2009-12-04 15:47                         ` Alan Stern
2009-12-04 19:17                           ` Ondrej Zary
2009-12-04 19:34                             ` Alan Stern
2009-12-04 19:55                               ` Ondrej Zary
2009-12-04 21:24                                 ` Alan Stern
2009-12-07  9:02                                   ` Ondrej Zary
2009-12-07 15:22                                     ` Alan Stern
2009-12-08  9:03                                       ` Ondrej Zary
2009-12-08 15:03                                         ` Alan Stern
2009-12-08 15:21                                       ` Ondrej Zary
2009-12-07 15:07                               ` Ondrej Zary
2009-12-07 16:02                                 ` Alan Stern
2009-12-10 15:40                                 ` Ondrej Zary
2009-12-10 20:38                                   ` Alan Stern
2009-12-11 19:42                                     ` Ondrej Zary
2009-12-11 20:49                                       ` Alan Stern
2009-12-05  7:36                       ` Andreas Mohr [this message]
2009-12-05 17:16                         ` Alan Stern
2009-12-06 11:38                           ` Andreas Mohr

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