From patchwork Thu Jan 28 12:19:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 12053577 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 D9C29C433E0 for ; Thu, 28 Jan 2021 12:19:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 977A664DD8 for ; Thu, 28 Jan 2021 12:19:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231303AbhA1MTr (ORCPT ); Thu, 28 Jan 2021 07:19:47 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:38598 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229569AbhA1MTq (ORCPT ); Thu, 28 Jan 2021 07:19:46 -0500 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1l56GN-0001Zy-Hp; Thu, 28 Jan 2021 12:19:03 +0000 From: Colin King To: Dmitry Torokhov , Jeff LaBundy , linux-input@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH][next] Input: iqs5xx: Ensure error_bl is initialized on error exit path Date: Thu, 28 Jan 2021 12:19:03 +0000 Message-Id: <20210128121903.636652-1-colin.king@canonical.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Colin Ian King Currently if the call to qs5xx_fw_file_parse fails the error return exit path will read the uninitialized variable error_bl. Fix this by ensuring error_bl is initialized to zero. Addresses-Coverity: ("Uninitialized scalar variable") Fixes: 2539da6677b6 ("Input: iqs5xx - preserve bootloader errors") Signed-off-by: Colin Ian King --- drivers/input/touchscreen/iqs5xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/iqs5xx.c b/drivers/input/touchscreen/iqs5xx.c index 05e0c6ff217b..54f30038dca4 100644 --- a/drivers/input/touchscreen/iqs5xx.c +++ b/drivers/input/touchscreen/iqs5xx.c @@ -852,7 +852,7 @@ static int iqs5xx_fw_file_parse(struct i2c_client *client, static int iqs5xx_fw_file_write(struct i2c_client *client, const char *fw_file) { struct iqs5xx_private *iqs5xx = i2c_get_clientdata(client); - int error, error_bl; + int error, error_bl = 0; u8 *pmap; if (iqs5xx->bl_status == IQS5XX_BL_STATUS_NONE)