Re: 2.6.23-rc1-mm2: Fix crash in sysfs_hash_and_remove

[Tejun Heo]

Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@xxxxxxx>
> 
> 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@xxxxxxx>

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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