staging: comedi: usbduxsigma: remove tidy_up() from (*auto_attach)

Comedi drivers do not need to cleanup allocations during the
(*auto_attach). If the (*auto_attach) fails the (*detach) will
automatically be called to handle the cleanup.
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/usbduxsigma.c

@@ -1834,10 +1834,8 @@ static int usbduxsigma_auto_attach(struct comedi_device *dev,
 	}
 
 	ret = usbduxsigma_alloc_usb_buffers(dev);
-	if (ret) {
-		tidy_up(devpriv);
+	if (ret)
 		return ret;
-	}
 
 	ret = comedi_load_firmware(dev, &usb->dev, FIRMWARE,
 				   usbduxsigma_firmware_upload, 0);