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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 604FEC43387 for ; Wed, 19 Dec 2018 16:30:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3C091218A6 for ; Wed, 19 Dec 2018 16:30:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728247AbeLSQaL (ORCPT ); Wed, 19 Dec 2018 11:30:11 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:60654 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727155AbeLSQaL (ORCPT ); Wed, 19 Dec 2018 11:30:11 -0500 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1gZejX-0008KJ-VQ; Wed, 19 Dec 2018 16:30:08 +0000 From: Colin King To: Adham Abozaeid , Ajay Singh , Greg Kroah-Hartman , linux-wireless@vger.kernel.org, devel@driverdev.osuosl.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] staging: wilc1000: fix missing read_write setting when reading data Date: Wed, 19 Dec 2018 16:30:07 +0000 Message-Id: <20181219163007.5329-1-colin.king@canonical.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Colin Ian King 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 --- drivers/staging/wilc1000/wilc_sdio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/wilc1000/wilc_sdio.c b/drivers/staging/wilc1000/wilc_sdio.c index 27fdfbdda5c0..e2f739fef21c 100644 --- a/drivers/staging/wilc1000/wilc_sdio.c +++ b/drivers/staging/wilc1000/wilc_sdio.c @@ -861,6 +861,7 @@ static int sdio_read_int(struct wilc *wilc, u32 *int_status) if (!sdio_priv->irq_gpio) { int i; + cmd.read_write = 0; cmd.function = 1; cmd.address = 0x04; cmd.data = 0; -- 2.19.1