Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756655Ab2J1X1e (ORCPT ); Sun, 28 Oct 2012 19:27:34 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:41893 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756537Ab2J1X1X (ORCPT ); Sun, 28 Oct 2012 19:27:23 -0400 Message-Id: <20121028231603.046691837@decadent.org.uk> User-Agent: quilt/0.60-1 Date: Sun, 28 Oct 2012 23:17:00 +0000 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Johan Hovold , Greg Kroah-Hartman Subject: [ 084/105] USB: sierra: fix memory leak in attach error path In-Reply-To: <20121028231536.970033833@decadent.org.uk> X-SA-Exim-Connect-IP: 2001:470:1f08:1539:21c:bfff:fe03:f805 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1516 Lines: 51 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johan Hovold commit 7e41f9bcdd2e813ea2a3c40db291d87ea06b559f upstream. Make sure port private data is deallocated on errors in attach. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman Signed-off-by: Ben Hutchings --- drivers/usb/serial/sierra.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 76ef95b..2cb27e4 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -905,7 +905,7 @@ static int sierra_startup(struct usb_serial *serial) dev_dbg(&port->dev, "%s: kmalloc for " "sierra_port_private (%d) failed!\n", __func__, i); - return -ENOMEM; + goto err; } spin_lock_init(&portdata->lock); init_usb_anchor(&portdata->active); @@ -942,6 +942,13 @@ static int sierra_startup(struct usb_serial *serial) } return 0; +err: + for (--i; i >= 0; --i) { + portdata = usb_get_serial_port_data(serial->port[i]); + kfree(portdata); + } + + return -ENOMEM; } static void sierra_release(struct usb_serial *serial) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/