Messages in this thread | | | Date | Tue, 24 Jan 2023 18:04:16 +0100 | From | Greg KH <> | Subject | Re: [PATCH v2] thermal: Fail object registration if thermal class is not registered |
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On Mon, Jan 23, 2023 at 09:44:03PM +0100, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > If thermal_class is not registered with the driver core, there is no way > to expose the interfaces used by the thermal control framework, so > prevent thermal zones and cooling devices from being registered in > that case by returning an error from object registration functions. > > For this purpose, use a thermal_class pointer that will be NULL if the > class is not registered. To avoid wasting memory in that case, allocate > the thermal class object dynamically and if it fails to register, free > it and clear the thermal_class pointer to NULL. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > --- > > -> v2: This replaces the series at > https://lore.kernel.org/linux-pm/5905717.lOV4Wx5bFT@kreacher/
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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