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=-8.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=unavailable 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 3FCE2C072B1 for ; Tue, 28 May 2019 08:04:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 225B02075B for ; Tue, 28 May 2019 08:04:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727588AbfE1IE5 (ORCPT ); Tue, 28 May 2019 04:04:57 -0400 Received: from mga02.intel.com ([134.134.136.20]:59625 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726305AbfE1IE5 (ORCPT ); Tue, 28 May 2019 04:04:57 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 May 2019 01:04:56 -0700 X-ExtLoop1: 1 Received: from kuha.fi.intel.com ([10.237.72.189]) by fmsmga001.fm.intel.com with SMTP; 28 May 2019 01:04:53 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Tue, 28 May 2019 11:04:52 +0300 Date: Tue, 28 May 2019 11:04:52 +0300 From: Heikki Krogerus To: "Gustavo A. R. Silva" Cc: Greg Kroah-Hartman , Ajay Gupta , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] usb: typec: ucsi: ccg: fix memory leak in do_flash Message-ID: <20190528080452.GB7167@kuha.fi.intel.com> References: <20190527181050.GA31496@embeddedor> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190527181050.GA31496@embeddedor> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 27, 2019 at 01:10:50PM -0500, Gustavo A. R. Silva wrote: > In case memory resources for *fw* were successfully allocated, > release them before return. > > Addresses-Coverity-ID: 1445499 ("Resource leak") > Fixes: 5c9ae5a87573 ("usb: typec: ucsi: ccg: add firmware flashing support") > Signed-off-by: Gustavo A. R. Silva Acked-by: Heikki Krogerus > --- > drivers/usb/typec/ucsi/ucsi_ccg.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c > index 9d46aa9e4e35..bf63074675fc 100644 > --- a/drivers/usb/typec/ucsi/ucsi_ccg.c > +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c > @@ -862,8 +862,10 @@ static int do_flash(struct ucsi_ccg *uc, enum enum_flash_mode mode) > > not_signed_fw: > wr_buf = kzalloc(CCG4_ROW_SIZE + 4, GFP_KERNEL); > - if (!wr_buf) > - return -ENOMEM; > + if (!wr_buf) { > + err = -ENOMEM; > + goto release_fw; > + } > > err = ccg_cmd_enter_flashing(uc); > if (err) > -- > 2.21.0 thanks, -- heikki