From patchwork Mon Sep 24 23:30:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guido Kiener X-Patchwork-Id: 10612963 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1AF3314BD for ; Mon, 24 Sep 2018 22:33:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1353F2A374 for ; Mon, 24 Sep 2018 22:33:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 05E232A360; Mon, 24 Sep 2018 22:33:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1A2C42A360 for ; Mon, 24 Sep 2018 22:33:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726350AbeIYEiQ (ORCPT ); Tue, 25 Sep 2018 00:38:16 -0400 Received: from mr06.mx01.tldhost.de ([62.108.41.213]:40641 "EHLO mr06.mx01.tldhost.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725986AbeIYEiQ (ORCPT ); Tue, 25 Sep 2018 00:38:16 -0400 Received: from mx01.tldhost.de (localhost [127.0.0.1]) by mx01.tldhost.de (Postfix) with ESMTP id 07449120F19 for ; Tue, 25 Sep 2018 00:33:48 +0200 (CEST) Received: by mx01.tldhost.de (Postfix, from userid 1001) id DD65C120F68; Tue, 25 Sep 2018 00:33:47 +0200 (CEST) Received: from server12.tldhost.de (server12.tldhost.de [84.19.26.112]) by mx01.tldhost.de (Postfix) with ESMTPS id D1775120EF1; Tue, 25 Sep 2018 00:33:45 +0200 (CEST) From: Guido Kiener To: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, guido.kiener@rohde-schwarz.com, oneukum@suse.com, dan.carpenter@oracle.com, steve_bayless@keysight.com, dpenkler@gmail.com Cc: Guido Kiener Subject: [PATCH 0/4] usb: usbtmc: Fix changes for compatible IVI/VISA library Date: Tue, 25 Sep 2018 01:30:28 +0200 Message-Id: <20180924233032.2379-1-guido@kiener-muenchen.de> X-PPP-Message-ID: <20180924223347.22091.33464@server12.tldhost.de> X-PPP-Vhost: kiener-muenchen.de X-POWERED-BY: TLDHost.de - AV:CLEAN SPAM:OK Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Fix memory leak and uninitialized symbol 'actual' in usbtmc driver of patch series: [v6,00/22] usb: usbtmc: Changes needed for compatible IVI/VISA library https://patchwork.kernel.org/cover/10596935/ Two errors are reported by 0-day service (smatch tool) when testing branch usb-testing: 1. usbtmc_ioctl_request() warn: possible memory leak of 'buffer' https://lists.01.org/pipermail/kbuild-all/2018-September/053023.html 2. usbtmc_ioctl_abort_bulk_in_tag() error: uninitialized symbol 'actual' https://lists.01.org/pipermail/kbuild-all/2018-September/053024.html Additionally the unitialized symbol 'actual' can cause similar problems and show wrong debug kernel messages in the other functions usbtmc_read() and usbtmc_ioctl_clear(). Guido Kiener (4): usb: usbtmc: Fix memory leak in usbtmc_ioctl_request usb: usbtmc: uninitialized symbol 'actual' in usbtmc_read usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_clear usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_abort_bulk_in_tag drivers/usb/class/usbtmc.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)