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=-11.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 B7BACC4338F for ; Mon, 9 Aug 2021 15:34:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AB7860EFF for ; Mon, 9 Aug 2021 15:34:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235688AbhHIPeV (ORCPT ); Mon, 9 Aug 2021 11:34:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:44608 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235642AbhHIPdZ (ORCPT ); Mon, 9 Aug 2021 11:33:25 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C459D60EFF; Mon, 9 Aug 2021 15:32:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1628523159; bh=0ikNJgQfITbSz3nHSHziN1gfIXRqD0c4yxNNf9eg0Uk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TN/p3VYrpd/4XjXbzfQP7t4i6DrkH8Td1HhIsBe3RdkbK0hMLujA29k0ajc5BFYwA 49b7dEclfkQDS3ZPIO9ayL2cZiTI1lSbB/1kbpXKXkH/UCY5pWmKCysy+Cr+eZ22Uo XRfwYd+P7aC825ZknqddTZbI41RaCED7N41G1myw= Date: Mon, 9 Aug 2021 17:32:36 +0200 From: Greg Kroah-Hartman To: Dongliang Mu Cc: Samuel Iglesias Gonsalvez , Jens Taprogge , Randy Dunlap , Aditya Srivastava , Lv Yunlong , industrypack-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/4] ipack: tpci200: fix many double free issues in tpci200_pci_probe Message-ID: References: <20210809143049.3531188-1-mudongliangabcd@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210809143049.3531188-1-mudongliangabcd@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 09, 2021 at 10:30:26PM +0800, Dongliang Mu wrote: > The function tpci200_register called by tpci200_install and > tpci200_unregister called by tpci200_uninstall are in pair. However, > tpci200_unregister has some cleanup operations not in the > tpci200_register. So the error handling code of tpci200_pci_probe has > many different double free issues. > > Fix this problem by moving those cleanup operations out of > tpci200_unregister, into tpci200_pci_remove and reverting > the previous commit 9272e5d0028d ("ipack/carriers/tpci200: > Fix a double free in tpci200_pci_probe"). > > Reported-by: Dongliang Mu > Fixes: 9272e5d0028d ("ipack/carriers/tpci200: Fix a double free in tpci200_pci_probe") > Signed-off-by: Dongliang Mu > --- > v1->v2: revise PATCH 2/3, 3/3, not depending on PATCH 1/3; move the > location change of tpci_unregister into one separate patch; Also needs to go to the stable trees, right?