3.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johan Hovold <redacted>

commit b8a0055050b6294826171641b182c09f78f4cc63 upstream.

Fix memory leak in attach error path where the read urb was never freed.

Signed-off-by: Johan Hovold <redacted>
Cc: Bill Pemberton <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/serial/quatech2.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c

@@ -825,6 +825,7 @@ static int qt2_setup_urbs(struct usb_ser
 	if (status != 0) {
 		dev_err(&serial->dev->dev,
 			"%s - submit read urb failed %i\n", __func__, status);
+		usb_free_urb(serial_priv->read_urb);
 		return status;
 	}