tty: usb-serial krefs

[linux-2.6-omap-h63xx.git] / drivers / usb / serial / navman.c

diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
index d6736531a0fab1be65f8fe78a01ffb3bc535a207..bcdcbb822705fd952863dcd5d041abef4d8daad3 100644 (file)
--- a/drivers/usb/serial/navman.c
+++ b/drivers/usb/serial/navman.c
@@ -64,12 +64,13 @@ static void navman_read_int_callback(struct urb *urb)
        usb_serial_debug_data(debug, &port->dev, __func__,
                              urb->actual_length, data);
 
-       tty = port->port.tty;
+       tty = tty_port_tty_get(&port->port);
        if (tty && urb->actual_length) {
                tty_buffer_request_room(tty, urb->actual_length);
                tty_insert_flip_string(tty, data, urb->actual_length);
                tty_flip_buffer_push(tty);
        }
+       tty_kref_put(tty);
 
 exit:
        result = usb_submit_urb(urb, GFP_ATOMIC);