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/interact.c b/drivers/input/joystick/interact.c
index fec8b3d..f0ff783 100644
--- a/drivers/input/joystick/interact.c
+++ b/drivers/input/joystick/interact.c
@@ -185,7 +185,7 @@
 
 static int interact_open(struct input_dev *dev)
 {
-	struct interact *interact = dev->private;
+	struct interact *interact = input_get_drvdata(dev);
 
 	gameport_start_polling(interact->gameport);
 	return 0;
@@ -197,7 +197,7 @@
 
 static void interact_close(struct input_dev *dev)
 {
-	struct interact *interact = dev->private;
+	struct interact *interact = input_get_drvdata(dev);
 
 	gameport_stop_polling(interact->gameport);
 }
@@ -262,7 +262,8 @@
 	input_dev->id.vendor = GAMEPORT_ID_VENDOR_INTERACT;
 	input_dev->id.product = interact_type[i].id;
 	input_dev->id.version = 0x0100;
-	input_dev->private = interact;
+
+	input_set_drvdata(input_dev, interact);
 
 	input_dev->open = interact_open;
 	input_dev->close = interact_close;