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=-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,UNPARSEABLE_RELAY,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 DE5F2C433B4 for ; Sun, 25 Apr 2021 10:29:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BAB58613B0 for ; Sun, 25 Apr 2021 10:29:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230015AbhDYK3x (ORCPT ); Sun, 25 Apr 2021 06:29:53 -0400 Received: from out4436.biz.mail.alibaba.com ([47.88.44.36]:31976 "EHLO out4436.biz.mail.alibaba.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229899AbhDYK3q (ORCPT ); Sun, 25 Apr 2021 06:29:46 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R781e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04395;MF=jiapeng.chong@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0UWg8-M1_1619346499; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UWg8-M1_1619346499) by smtp.aliyun-inc.com(127.0.0.1); Sun, 25 Apr 2021 18:28:55 +0800 From: Jiapeng Chong To: miquel.raynal@bootlin.com Cc: richard@nod.at, vigneshr@ti.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Jiapeng Chong Subject: [PATCH] mtd: mtd_oobtest: Remove redundant assignment to err Date: Sun, 25 Apr 2021 18:28:18 +0800 Message-Id: <1619346498-43617-1-git-send-email-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Variable err is set to zero but this value is never read as it is overwritten with a new value later on, hence it is a redundant assignment and can be removed. Cleans up the following clang-analyzer warning: drivers/mtd/tests/oobtest.c:626:4: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores]. drivers/mtd/tests/oobtest.c:603:4: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores]. drivers/mtd/tests/oobtest.c:579:4: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores]. drivers/mtd/tests/oobtest.c:556:4: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores]. drivers/mtd/tests/oobtest.c:532:3: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores]. drivers/mtd/tests/oobtest.c:509:3: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores]. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/mtd/tests/oobtest.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/mtd/tests/oobtest.c b/drivers/mtd/tests/oobtest.c index c71daa8..3a31a2c 100644 --- a/drivers/mtd/tests/oobtest.c +++ b/drivers/mtd/tests/oobtest.c @@ -506,7 +506,6 @@ static int __init mtd_oobtest_init(void) err = mtd_write_oob(mtd, addr0, &ops); if (err) { pr_info("error occurred as expected\n"); - err = 0; } else { pr_err("error: can write past end of OOB\n"); errcnt += 1; @@ -529,7 +528,6 @@ static int __init mtd_oobtest_init(void) if (err) { pr_info("error occurred as expected\n"); - err = 0; } else { pr_err("error: can read past end of OOB\n"); errcnt += 1; @@ -553,7 +551,6 @@ static int __init mtd_oobtest_init(void) err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { pr_info("error occurred as expected\n"); - err = 0; } else { pr_err("error: wrote past end of device\n"); errcnt += 1; @@ -576,7 +573,6 @@ static int __init mtd_oobtest_init(void) if (err) { pr_info("error occurred as expected\n"); - err = 0; } else { pr_err("error: read past end of device\n"); errcnt += 1; @@ -600,7 +596,6 @@ static int __init mtd_oobtest_init(void) err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { pr_info("error occurred as expected\n"); - err = 0; } else { pr_err("error: wrote past end of device\n"); errcnt += 1; @@ -623,7 +618,6 @@ static int __init mtd_oobtest_init(void) if (err) { pr_info("error occurred as expected\n"); - err = 0; } else { pr_err("error: read past end of device\n"); errcnt += 1; -- 1.8.3.1