On Fri 2015-01-30 15:47:41, Krzysztof Kozlowski wrote: > Add simple wrappers for accessing power supply's function attributes: > - get_property -> power_supply_get_property > - set_property -> power_supply_set_property > - property_is_writeable -> power_supply_property_is_writeable > - external_power_changed -> power_supply_external_power_changed > > This API along with atomic usage counter adds a safe way of accessing a > power supply from another driver. If power supply is unregistered after > obtaining reference to it by some driver, then the API wrappers won't be > executed in invalid (freed) context. > > Next patch changing the ownership of power supply class is still needed > to fully fix race conditions in accessing freed power supply. > > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> > Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx> > Reviewed-by: Sebastian Reichel <sre@xxxxxxxxxx> For 1-3: Acked-by: Pavel Machek <pavel@xxxxxx> -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
