linux-kernel - Re: 2.6.23-rc1-mm2: Fix crash in sysfs_hash_and

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Date:	Fri, 03 Aug 2007 02:34:07 +0900
From:	Tejun Heo <htejun@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Greg KH <greg@...ah.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: 2.6.23-rc1-mm2: Fix crash in sysfs_hash_and_remove

Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@...k.pl>
> 
> My test box crashes during suspend, while the nonboot CPUs are being disabled,
> because sysfs_hash_and_remove() doesn't check if dir_sd passed to it is not
> NULL.  Fix it.
> 
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>

It got broken when shadow support was added.  The shadow support in -mm1
will be dropped and Eric is preparing a new version.  So, this fix
probably won't be necessary from -mm2.

Thanks.

-- 
tejun
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