linux-kernel - [ 045/101] USB: ipw: fix interface-data memory leak in error path

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Date:	Mon, 29 Oct 2012 14:34:58 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Johan Hovold <jhovold@...il.com>
Subject: [ 045/101] USB: ipw: fix interface-data memory leak in error path

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

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

From: Johan Hovold <jhovold@...il.com>

commit a997448c89905b80aa4022f734f03685e733d711 upstream.

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

Signed-off-by: Johan Hovold <jhovold@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/serial/ipw.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -209,8 +209,7 @@ static int ipw_open(struct tty_struct *t
 	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;
 
@@ -310,7 +309,7 @@ static struct usb_serial_driver ipw_devi
 	.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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