[media] drivers/media/rc: postpone kfree(rc_dev)

CONFIG_DEBUG_KOBJECT_RELEASE found this bug.

Signed-off-by: Max Kellermann <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/rc/rc-main.c

···
 
 static void rc_dev_release(struct device *device)
 {
+	struct rc_dev *dev = to_rc_dev(device);
+
+	kfree(dev);
 }
 
 #define ADD_HOTPLUG_VAR(fmt, val...)					\
···
 
 	put_device(&dev->dev);
 
-	kfree(dev);
+	/* kfree(dev) will be called by the callback function
+	   rc_dev_release() */
+
 	module_put(THIS_MODULE);
 }
 EXPORT_SYMBOL_GPL(rc_free_device);