On Thu, 2008-10-23 at 15:34 -0700, Moore, Robert wrote: > + if (!output.pointer) > + return AE_NULL_OBJECT; > + > > This probably won't work. acpi_evaluate_object currently doesn't touch the pointer parameter if there is no return value, it only sets the length to zero. Actually, it does. > So, you might try this: > > + if (!output.length) > + return AE_NULL_OBJECT; > + This also works. James -- 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