ACPI: asus_acpi_init(): propagate correct return value

Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/asus_acpi.c

@@ -1229,7 +1229,7 @@ static int __init asus_acpi_init(void)
 	if (result < 1) {
 		acpi_bus_unregister_driver(&asus_hotk_driver);
 		remove_proc_entry(PROC_ASUS, acpi_root_dir);
-		return -ENODEV;
+		return result;
 	}
 
 	return 0;