diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c
index 683320b81a2b374d1c07537f33e57d39cba1b939..d05393594f1505b4e82686e417114adfcf1d1e80 100644
--- a/drivers/tty/serdev/serdev-ttyport.c
+++ b/drivers/tty/serdev/serdev-ttyport.c
@@ -97,6 +97,8 @@ static int ttyport_open(struct serdev_controller *ctrl)
 	struct ktermios ktermios;
 
 	tty = tty_init_dev(serport->tty_drv, serport->tty_idx);
+	if (IS_ERR(tty))
+		return PTR_ERR(tty);
 	serport->tty = tty;
 
 	serport->port->client_ops = &client_ops;