Re: [PATCH net-next 3/3 v7] drivers: net: ethernet: qualcomm: rmnet: Initial implementation

+static int rmnet_unregister_real_device(struct net_device *real_dev)
+{
+	struct rmnet_real_dev_info *rdinfo;
+	struct list_head *iter;
+
+	ASSERT_RTNL();
+
+	if (!rmnet_is_real_dev_registered(real_dev) ||
+	    netdev_lower_get_next(real_dev, &iter))
+		return -EINVAL;
+
+	rdinfo = __rmnet_get_real_dev_info(real_dev);
+	kfree(rdinfo);
+
+	netdev_rx_handler_unregister(real_dev);
+
+	/* release reference on real_dev */
+	dev_put(real_dev);
+
+	netdev_info(real_dev, "Removed from rmnet\n");