_WDOG_ALLOW_RELEASE
if (test_bit(_WDOG_ALLOW_RELEASE, &wd_data->status))
clear_bit(_WDOG_ALLOW_RELEASE, &wd_data->status);
set_bit(_WDOG_ALLOW_RELEASE, &wd_data->status);
else if (test_and_clear_bit(_WDOG_ALLOW_RELEASE, &wd_data->status) ||