--- symbolserial.c.original	2014-04-10 20:11:02.674990126 +0400
+++ symbolserial.c	2014-04-10 20:54:29.795220618 +0400
@@ -1,6 +1,7 @@
 /*
  * Symbol USB barcode to serial driver
  *
+ * Copyright (C) 2014 Vadim Zelenin <VadimZelenin@gmail.com>
  * Copyright (C) 2013 Johan Hovold <jhovold@gmail.com>
  * Copyright (C) 2009 Greg Kroah-Hartman <gregkh@suse.de>
  * Copyright (C) 2009 Novell Inc.
@@ -97,7 +98,7 @@
 
 static int symbol_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
-        struct symbol_private *priv = usb_get_serial_data(port->serial);
+        struct symbol_private *priv = usb_get_serial_port_data(port);
         unsigned long flags;
         int result = 0;
 
@@ -123,7 +124,7 @@
 static void symbol_throttle(struct tty_struct *tty)
 {
         struct usb_serial_port *port = tty->driver_data;
-        struct symbol_private *priv = usb_get_serial_data(port->serial);
+        struct symbol_private *priv = usb_get_serial_port_data(port);
 
         spin_lock_irq(&priv->lock);
         priv->throttled = true;
@@ -133,7 +134,7 @@
 static void symbol_unthrottle(struct tty_struct *tty)
 {
         struct usb_serial_port *port = tty->driver_data;
-        struct symbol_private *priv = usb_get_serial_data(port->serial);
+        struct symbol_private *priv = usb_get_serial_port_data(port);
         int result;
         bool was_throttled;