linux-kernel - Re: next-20080801: BUG in pktcdvd while mounting dvd

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Message-ID: <20080803155320.64702b4e@lxorguk.ukuu.org.uk>
Date:	Sun, 3 Aug 2008 15:53:20 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Thomas Meyer <thomas@...3r.de>
Cc:	Linux-Next <linux-next@...r.kernel.org>,
	Linux-Kernel <linux-kernel@...r.kernel.org>, petero2@...ia.com
Subject: Re: next-20080801: BUG in pktcdvd while mounting dvd

On Sun, 03 Aug 2008 14:18:04 +0200
Thomas Meyer <thomas@...3r.de> wrote:

> Greetings.
> 
> Please have a look at this bug report:
> 
> http://kerneloops.org/raw.php?rawid=47211
> 
> reverting commit 5b6155ee70e9c4d2ad7e6f514c8eee06e2711c3a fixes the
> problem

ioctl_by_bdev is calling ioctl methods with filp = NULL which is not
valid. That in turn blocks switching to unlocked_ioctl and BKL removal so
ioctl_by_bdev urgently needs fixing.

Alan
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