diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 4a4a5eb..d853104 100644
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -657,9 +657,7 @@
 						 __func__);
 					break;
 				}
-
-				if (port_priv->is_open)
-					tty_flip_buffer_push(&port->port);
+				tty_flip_buffer_push(&port->port);
 
 				newport = *(ch + 3);
 
@@ -702,8 +700,7 @@
 		tty_insert_flip_string(&port->port, ch, 1);
 	}
 
-	if (port_priv->is_open)
-		tty_flip_buffer_push(&port->port);
+	tty_flip_buffer_push(&port->port);
 }
 
 static void qt2_write_bulk_callback(struct urb *urb)