Merge 3.9-rc3 into tty-next

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / usb / serial / quatech2.c

diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index d853104..4a4a5eb 100644 (file)
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -657,7 +657,9 @@ void qt2_process_read_urb(struct urb *urb)
                                                 __func__);
                                        break;
                                }
-                               tty_flip_buffer_push(&port->port);
+
+                               if (port_priv->is_open)
+                                       tty_flip_buffer_push(&port->port);
 
                                newport = *(ch + 3);
 
@@ -700,7 +702,8 @@ void qt2_process_read_urb(struct urb *urb)
                tty_insert_flip_string(&port->port, ch, 1);
        }
 
-       tty_flip_buffer_push(&port->port);
+       if (port_priv->is_open)
+               tty_flip_buffer_push(&port->port);
 }
 
 static void qt2_write_bulk_callback(struct urb *urb)