staging: comedi: ni_daq_700: 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 it it fails.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_daq_700.c

@@ -443,11 +443,17 @@ static int __init dio700_cs_init(void)
 {
 	int ret;
 
-	ret = pcmcia_register_driver(&dio700_cs_driver);
+	ret = comedi_driver_register(&driver_dio700);
 	if (ret < 0)
 		return ret;
 
-	return comedi_driver_register(&driver_dio700);
+	ret = pcmcia_register_driver(&dio700_cs_driver);
+	if (ret < 0) {
+		comedi_driver_unregister(&driver_dio700);
+		return ret;
+	}
+
+	return 0;
 }
 module_init(dio700_cs_init);