From 65a4cdbb170e4ec1a7fa0e94936d47e24a17b0e8 Mon Sep 17 00:00:00 2001
From: Johan Hovold <jhovold@gmail.com>
Date: Thu, 25 Oct 2012 13:35:09 +0200
Subject: [PATCH] USB: mos7840: fix urb leak at release

Make sure control urb is freed at release.

Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/serial/mos7840.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index d6d4eeca8c68..35ad3f5c4c0e 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2645,6 +2645,7 @@ static void mos7840_release(struct usb_serial *serial)
 				del_timer_sync(&mos7840_port->led_timer1);
 				del_timer_sync(&mos7840_port->led_timer2);
 			}
+			usb_free_urb(mos7840_port->control_urb);
 			kfree(mos7840_port->ctrl_buf);
 			kfree(mos7840_port->dr);
 			kfree(mos7840_port);