staging: comedi: das08_cs: change driver registration order

As done with the other comedi driver types, register the
comedi_driver first then the pcmcia_driver. Also, make sure
the pcmcia_driver registration succeeds and unregister the
comedi_driver if it fails.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/das08_cs.c

@@ -239,11 +239,18 @@ static int __init das08_cs_init_module(void)
 {
 	int ret;
 
-	ret = pcmcia_register_driver(&das08_cs_driver);
+	ret = comedi_driver_register(&driver_das08_cs);
 	if (ret < 0)
 		return ret;
 
-	return comedi_driver_register(&driver_das08_cs);
+	ret = pcmcia_register_driver(&das08_cs_driver);
+	if (ret < 0) {
+		comedi_driver_unregister(&driver_das08_cs);
+		return ret;
+	}
+
+	return 0;
+
 }
 module_init(das08_cs_init_module);