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=-10.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 8585DC43612 for ; Mon, 7 Jan 2019 12:36:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B3472089F for ; Mon, 7 Jan 2019 12:36:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546864564; bh=UAxpufE2GhHCNlV03/R+jHXwwtJoSqSJCuOucvszEDM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=z9W6GUmG8CsQAJ2fVqtOGUeHdUoWYJwtdhtBAIecuaKfqkA3zdEKUtiTC8iVJhoVY fXrxRraKmAHHaI38H+yxf32aisgK7N46m+RVkPntnzNfhCmMPLsjEA1wtrwt5PPBPq c+lV/Gr/LQ/d/YIyDkD+zOQ3jBYDq6T0s8fwK65k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727667AbfAGMgD (ORCPT ); Mon, 7 Jan 2019 07:36:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:50208 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727634AbfAGMfv (ORCPT ); Mon, 7 Jan 2019 07:35:51 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.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 F33EC20859; Mon, 7 Jan 2019 12:35:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546864551; bh=UAxpufE2GhHCNlV03/R+jHXwwtJoSqSJCuOucvszEDM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=y9ennBvU6EqXmDfdcN/Hma63VBEBNSu3M/VPuEBmM2Be9WoU/2ah3+siam6HHHgT5 lviYLTaMjQC/t2n1wfHyBvuju/eV4sx3gop1d5/p8FutKkz+/qucw4Jv3ILWdoPLuL jxWORrOxDXubO951naMWm8o+LVhajMDaH8IM8CnE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Colin Ian King , Ajay Singh Subject: [PATCH 4.20 047/145] staging: wilc1000: fix missing read_write setting when reading data Date: Mon, 7 Jan 2019 13:31:24 +0100 Message-Id: <20190107104443.593812291@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190107104437.308206189@linuxfoundation.org> References: <20190107104437.308206189@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore 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 4.20-stable review patch. If anyone has any objections, please let me know. ------------------ From: Colin Ian King commit c58eef061dda7d843dcc0ad6fea7e597d4c377c0 upstream. Currently the cmd.read_write setting is not initialized so it contains garbage from the stack. Fix this by setting it to 0 to indicate a read is required. Detected by CoverityScan, CID#1357925 ("Uninitialized scalar variable") Fixes: c5c77ba18ea6 ("staging: wilc1000: Add SDIO/SPI 802.11 driver") Signed-off-by: Colin Ian King Cc: stable Acked-by: Ajay Singh Signed-off-by: Greg Kroah-Hartman --- drivers/staging/wilc1000/wilc_sdio.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/staging/wilc1000/wilc_sdio.c +++ b/drivers/staging/wilc1000/wilc_sdio.c @@ -841,6 +841,7 @@ static int sdio_read_int(struct wilc *wi if (!sdio_priv->irq_gpio) { int i; + cmd.read_write = 0; cmd.function = 1; cmd.address = 0x04; cmd.data = 0;