Input: drivers/input/joystick - don't access dev->private directly

Use input_get_drvdata() and input_set_drvdata() instead.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
index e58b22c..f800c39 100644
--- a/drivers/input/joystick/sidewinder.c
+++ b/drivers/input/joystick/sidewinder.c
@@ -509,7 +509,7 @@
 
 static int sw_open(struct input_dev *dev)
 {
-	struct sw *sw = dev->private;
+	struct sw *sw = input_get_drvdata(dev);
 
 	gameport_start_polling(sw->gameport);
 	return 0;
@@ -517,7 +517,7 @@
 
 static void sw_close(struct input_dev *dev)
 {
-	struct sw *sw = dev->private;
+	struct sw *sw = input_get_drvdata(dev);
 
 	gameport_stop_polling(sw->gameport);
 }
@@ -752,7 +752,8 @@
 		input_dev->id.product = sw->type;
 		input_dev->id.version = 0x0100;
 		input_dev->cdev.dev = &gameport->dev;
-		input_dev->private = sw;
+
+		input_set_drvdata(input_dev, sw);
 
 		input_dev->open = sw_open;
 		input_dev->close = sw_close;