Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934131Ab2KZRPZ (ORCPT ); Mon, 26 Nov 2012 12:15:25 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:48224 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934061Ab2KZRPU (ORCPT ); Mon, 26 Nov 2012 12:15:20 -0500 From: Herton Ronaldo Krzesinski To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Johan Hovold , Greg Kroah-Hartman , Herton Ronaldo Krzesinski Subject: [PATCH 247/270] USB: sierra: fix memory leak in probe error path Date: Mon, 26 Nov 2012 14:58:57 -0200 Message-Id: <1353949160-26803-248-git-send-email-herton.krzesinski@canonical.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1353949160-26803-1-git-send-email-herton.krzesinski@canonical.com> References: <1353949160-26803-1-git-send-email-herton.krzesinski@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2213 Lines: 79 3.5.7u1 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Johan Hovold commit 084817d79399ab5ccab2f90a148b0369912a8369 upstream. Move interface data allocation to attach so that it is deallocated on errors in usb-serial probe. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman Signed-off-by: Herton Ronaldo Krzesinski --- drivers/usb/serial/sierra.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index f72bbaa..6aeddcd 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -162,7 +162,6 @@ static int sierra_probe(struct usb_serial *serial, { int result = 0; struct usb_device *udev; - struct sierra_intf_private *data; u8 ifnum; udev = serial->dev; @@ -189,11 +188,6 @@ static int sierra_probe(struct usb_serial *serial, return -ENODEV; } - data = serial->private = kzalloc(sizeof(struct sierra_intf_private), GFP_KERNEL); - if (!data) - return -ENOMEM; - spin_lock_init(&data->susp_lock); - return result; } @@ -890,11 +884,20 @@ static void sierra_dtr_rts(struct usb_serial_port *port, int on) static int sierra_startup(struct usb_serial *serial) { struct usb_serial_port *port; + struct sierra_intf_private *intfdata; struct sierra_port_private *portdata; struct sierra_iface_info *himemoryp = NULL; int i; u8 ifnum; + intfdata = kzalloc(sizeof(*intfdata), GFP_KERNEL); + if (!intfdata) + return -ENOMEM; + + spin_lock_init(&intfdata->susp_lock); + + usb_set_serial_data(serial, intfdata); + /* Set Device mode to D0 */ sierra_set_power_state(serial->dev, 0x0000); @@ -952,6 +955,7 @@ err: portdata = usb_get_serial_port_data(serial->port[i]); kfree(portdata); } + kfree(intfdata); return -ENOMEM; } -- 1.7.9.5 -- 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/