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/adi.c b/drivers/input/joystick/adi.c
index 6279ced..e835352 100644
--- a/drivers/input/joystick/adi.c
+++ b/drivers/input/joystick/adi.c
@@ -290,7 +290,7 @@
 
 static int adi_open(struct input_dev *dev)
 {
-	struct adi_port *port = dev->private;
+	struct adi_port *port = input_get_drvdata(dev);
 
 	gameport_start_polling(port->gameport);
 	return 0;
@@ -302,7 +302,7 @@
 
 static void adi_close(struct input_dev *dev)
 {
-	struct adi_port *port = dev->private;
+	struct adi_port *port = input_get_drvdata(dev);
 
 	gameport_stop_polling(port->gameport);
 }
@@ -425,7 +425,8 @@
 	input_dev->id.product = adi->id;
 	input_dev->id.version = 0x0100;
 	input_dev->cdev.dev = &port->gameport->dev;
-	input_dev->private = port;
+
+	input_set_drvdata(input_dev, port);
 
 	input_dev->open = adi_open;
 	input_dev->close = adi_close;