Input: sidewinder - handle errors from input_register_device()

Also set .owner in driver structure so we'll have a link between
module and driver in sysfs.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/joystick/sidewinder.c

@@ -771,12 +771,15 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
 
 		dbg("%s%s [%d-bit id %d data %d]\n", sw->name, comment, m, l, k);
 
-		input_register_device(sw->dev[i]);
+		err = input_register_device(sw->dev[i]);
+		if (err)
+			goto fail4;
 	}
 
 	return 0;
 
- fail3: while (--i >= 0)
+ fail4:	input_free_device(sw->dev[i]);
+ fail3:	while (--i >= 0)
 		input_unregister_device(sw->dev[i]);
  fail2:	gameport_close(gameport);
  fail1:	gameport_set_drvdata(gameport, NULL);
@@ -801,6 +804,7 @@ static void sw_disconnect(struct gameport *gameport)
 static struct gameport_driver sw_drv = {
 	.driver		= {
 		.name	= "sidewinder",
+		.owner	= THIS_MODULE,
 	},
 	.description	= DRIVER_DESC,
 	.connect	= sw_connect,