platform/x86: wmi: Fix error handling in acpi_wmi_init()

The order of resource deallocations is messed up in acpi_wmi_init().
It should be vice versa.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <[e-mail]>
Signed-off-by: Darren Hart (VMware) <[e-mail]>

drivers/platform/x86/wmi.c

···
 
 	return 0;
 
-err_unreg_class:
-	class_unregister(&wmi_bus_class);
-
 err_unreg_bus:
 	bus_unregister(&wmi_bus_type);
+
+err_unreg_class:
+	class_unregister(&wmi_bus_class);
 
 	return error;
 }