[lm-sensors] [patch]hp_accel: Fix race in device removal

Oliver Neukum oneukum at suse.de
Tue May 11 07:55:07 CEST 2010


Am Dienstag, 11. Mai 2010 00:46:32 schrieb Andrew Morton:
> But alas, I (and presumably others) cannot confirm that, because you
> didn't describe the bug :( This also means that if someone hits a
> problem with this driver, they won't easily be able to work out whether
> this patch will fix it.
> 
> 
> Under what circumstances does it trigger?
> 
> What are the observed effects when it triggers?
> 
> Please always include this sort of information when sending bugfixes, thanks.

Sorry,

the patch closes a window during which a work queue might remain
active after the device is removed and would then lead to ACPI calls
with undefined behavior.

	Regards
		Oliver




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