From a997448c89905b80aa4022f734f03685e733d711 Mon Sep 17 00:00:00 2001
From: Johan Hovold <jhovold@gmail.com>
Date: Thu, 25 Oct 2012 15:42:39 +0200
Subject: USB: ipw: fix interface-data memory leak in error path

Move interface data allocation to attach so that it is deallocated
should usb-serial probe fail.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index add45b7..4264821 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -203,8 +203,7 @@ static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
 	return 0;
 }
 
-/* fake probe - only to allocate data structures */
-static int ipw_probe(struct usb_serial *serial, const struct usb_device_id *id)
+static int ipw_attach(struct usb_serial *serial)
 {
 	struct usb_wwan_intf_private *data;
 
@@ -303,7 +302,7 @@ static struct usb_serial_driver ipw_device = {
 	.num_ports =		1,
 	.open =			ipw_open,
 	.close =		ipw_close,
-	.probe =		ipw_probe,
+	.attach =		ipw_attach,
 	.release =		ipw_release,
 	.port_probe =		usb_wwan_port_probe,
 	.port_remove =		usb_wwan_port_remove,
-- 
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