diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c
index 21b5ca421452..482f33f20043 100644
--- a/drivers/tty/tty_port.c
+++ b/drivers/tty/tty_port.c
@@ -48,8 +48,7 @@ void tty_port_link_device(struct tty_port *port,
 {
 	if (WARN_ON(index >= driver->num))
 		return;
-	if (!driver->ports[index])
-		driver->ports[index] = port;
+	driver->ports[index] = port;
 }
 EXPORT_SYMBOL_GPL(tty_port_link_device);