diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 5f123a8cf68e..f769fefb7c29 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2267,6 +2267,8 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
 	serial->parent->dev = tty_port_register_device_attr(&serial->port,
 			tty_drv, minor, &serial->parent->interface->dev,
 			serial->parent, hso_serial_dev_groups);
+	if (IS_ERR(serial->parent->dev))
+		goto exit;
 
 	/* fill in specific data for later use */
 	serial->minor = minor;