On pią, 2015-02-20 at 14:04 +0100, Krzysztof Kozlowski wrote: > The return value of power_supply_register() call was not checked and > even on error probe() function returned 0. If registering failed then > during unbind the driver tried to unregister power supply which was not > actually registered. > > This could lead to memory corruption because power_supply_unregister() > unconditionally cleans up given power supply. > > Fix this by checking return status of power_supply_register() call. In > case of failure, clean up sysfs entries and fail the probe. > (...) > > @@ -1072,6 +1074,7 @@ static int compal_remove(struct platform_device *pdev) > > data = platform_get_drvdata(pdev); > power_supply_unregister(&data->psy); > + /* FIXME: missing hwmon_device_unregister() */ > > sysfs_remove_group(&pdev->dev.kobj, &compal_platform_attr_group); Crap, I forgot to remove the FIXME note. It is no longer needed because patch 1 fixes this. I'll resend. Sorry for the noise. -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html