Message-ID: <3ED4FAC0.6090303@trollprod.org>
Date: Wed, 28 May 2003 20:06:56 +0200
From: Olivier NICOLAS <olivn@trollprod.org>
Organization: TrollPod
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To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] procfs bug exposed by cdev changes
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 >       fs/inode.c assumes that any ->delete_inode() will call 
 >clear_inode().
 >procfs instance doesn't. It had passed unpunished for a while; cdev 
 >changes
 >combined with ALSA creating character devices in procfs made it fatal.
 >
 >        Patch follows. It had fixed ALSA-triggered memory corruption 
 >here -
 >what happens in vanilla 2.5.70 is that clear_inode() is not called when
 >procfs character device inodes are freed. That leaves a freed inode on
 >a cyclic list, with obvious unpleasantness following when we try to 
 >traverse
 >it (e.g. when unregistering a device).
 >
 >        Please, apply. Folks who'd seen oopsen/memory corruption after
 >ALSA access - please, check if that fixes all problems.


modprobe snd-intel8x0
rmmod snd-intel8x0

ALSA works for me,

Thanks
Olivier


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