From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F9F7C2D0C0 for ; Mon, 23 Dec 2019 10:13:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 69CBE206B7 for ; Mon, 23 Dec 2019 10:13:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726828AbfLWKNW (ORCPT ); Mon, 23 Dec 2019 05:13:22 -0500 Received: from mga11.intel.com ([192.55.52.93]:44066 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725799AbfLWKNV (ORCPT ); Mon, 23 Dec 2019 05:13:21 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Dec 2019 02:13:21 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,347,1571727600"; d="scan'208";a="222995369" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.163]) by fmsmga001.fm.intel.com with SMTP; 23 Dec 2019 02:13:18 -0800 Received: by lahna (sSMTP sendmail emulation); Mon, 23 Dec 2019 12:13:17 +0200 Date: Mon, 23 Dec 2019 12:13:17 +0200 From: Mika Westerberg To: Colin King Cc: Andreas Noever , Michael Jamet , Yehezkel Bernat , Greg Kroah-Hartman , Rajmohan Mani , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH][next] thunderbolt: fix memory leak of object sw Message-ID: <20191223101317.GF2628@lahna.fi.intel.com> References: <20191220220526.11307-1-colin.king@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191220220526.11307-1-colin.king@canonical.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 20, 2019 at 10:05:26PM +0000, Colin King wrote: > From: Colin Ian King > > In the case where the call tb_switch_exceeds_max_depth is true > the error reurn path leaks memory in sw. Fix this by setting > the return error code to -EADDRNOTAVAIL and returning via the > error exit path err_free_sw_ports to free sw. sw has been kzalloc'd > so the free of the NULL sw->ports is fine. > > Addresses-Coverity: ("Resource leak") > Fixes: b04079837b20 ("thunderbolt: Add initial support for USB4") > Signed-off-by: Colin Ian King Acked-by: Mika Westerberg Greg, can you take this to your usb-next branch where the rest of the USB4 stuff is? Thanks!