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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 9C015C43215 for ; Tue, 19 Nov 2019 05:43:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 644AF21783 for ; Tue, 19 Nov 2019 05:43:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574142186; bh=/B7P6C3sz8EfB+5MD85ITDTh140ifvbSFLrb8hBNBMw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=n+eS+9JGJKfjvGeo1Z2j0ygLIqB/RIb7YwIluORMsoH+5sz4pllKq7yHtHjDIte8y os9BFe0RWT+S9Of4zCvWjS1fzijy+8u+lkDYMF6ADRWocwNTQjEVu2OdpQWQxFOqun Q9i9FEsnrwtdij641dFRkzpw7q9JZ6pl42dmG4ro= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730699AbfKSFnF (ORCPT ); Tue, 19 Nov 2019 00:43:05 -0500 Received: from mail.kernel.org ([198.145.29.99]:37790 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727586AbfKSFnA (ORCPT ); Tue, 19 Nov 2019 00:43:00 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6960A208C3; Tue, 19 Nov 2019 05:42:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574142179; bh=/B7P6C3sz8EfB+5MD85ITDTh140ifvbSFLrb8hBNBMw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RKSfcevbPxjHTuxegGvw9K2aDV+JAEo4D4mJPheW7DlK50RkNiDjdeTcHQh99Z7Mq yncYUemf0EySSaiFbrTvt+QAJ+JAivH6VRAvxEiyJpAWBvAb9wH0MlyN8EJEOvgWEF tvvkbv2w4D0sD5/BDXtP2LrVtZ6O5SFbBCHyS6iA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guido Kiener , Sasha Levin Subject: [PATCH 4.19 416/422] usb: usbtmc: uninitialized symbol actual in usbtmc_ioctl_clear Date: Tue, 19 Nov 2019 06:20:13 +0100 Message-Id: <20191119051426.152614625@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191119051400.261610025@linuxfoundation.org> References: <20191119051400.261610025@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guido Kiener [ Upstream commit 9a83190300867fb024d53f47c31088e34188efc1 ] Fix uninitialized symbol 'actual' in function usbtmc_ioctl_clear. When symbol 'actual' is not initialized and usb_bulk_msg() fails, the subsequent kernel debug message shows a random value. Signed-off-by: Guido Kiener Fixes: dfee02ac4bce ("usb: usbtmc: Fix ioctl USBTMC_IOCTL_CLEAR") Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/class/usbtmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 3ce45c9e9d20d..e6a7c86b70f25 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1016,6 +1016,7 @@ usbtmc_clear_check_status: do { dev_dbg(dev, "Reading from bulk in EP\n"); + actual = 0; rv = usb_bulk_msg(data->usb_dev, usb_rcvbulkpipe(data->usb_dev, data->bulk_in), -- 2.20.1