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/cobra.c b/drivers/input/joystick/cobra.c
index 034ec39..2075363 100644
--- a/drivers/input/joystick/cobra.c
+++ b/drivers/input/joystick/cobra.c
@@ -142,7 +142,7 @@
 
 static int cobra_open(struct input_dev *dev)
 {
-	struct cobra *cobra = dev->private;
+	struct cobra *cobra = input_get_drvdata(dev);
 
 	gameport_start_polling(cobra->gameport);
 	return 0;
@@ -150,7 +150,7 @@
 
 static void cobra_close(struct input_dev *dev)
 {
-	struct cobra *cobra = dev->private;
+	struct cobra *cobra = input_get_drvdata(dev);
 
 	gameport_stop_polling(cobra->gameport);
 }
@@ -212,7 +212,8 @@
 		input_dev->id.product = 0x0008;
 		input_dev->id.version = 0x0100;
 		input_dev->cdev.dev = &gameport->dev;
-		input_dev->private = cobra;
+
+		input_set_drvdata(input_dev, cobra);
 
 		input_dev->open = cobra_open;
 		input_dev->close = cobra_close;