From patchwork Thu Apr 8 20:16:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 12192421 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 818A0C433B4 for ; Thu, 8 Apr 2021 20:16:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E4D561151 for ; Thu, 8 Apr 2021 20:16:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232206AbhDHUQj (ORCPT ); Thu, 8 Apr 2021 16:16:39 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:42279 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231451AbhDHUQi (ORCPT ); Thu, 8 Apr 2021 16:16:38 -0400 Received: from mail-wr1-f70.google.com ([209.85.221.70]) by youngberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1lUb4k-0005de-8E for linux-samsung-soc@vger.kernel.org; Thu, 08 Apr 2021 20:16:26 +0000 Received: by mail-wr1-f70.google.com with SMTP id r12so615315wrw.18 for ; Thu, 08 Apr 2021 13:16:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=jMABrCg2yQSz0NJfTRJiCfa17aCfiZuFRJh5dj2jnZI=; b=NNiO48jWuxJZbaYvVtPEs4RzjFvAcdTAezBRSBXZINna4EYl+68ePI5TMVtfxBtlK+ qO7tBux9Evfpv1JfH9SzIH7hpYUWjOV+ezHe6xq5avL0Hwau0hifsSlByuojzKhuZzrr IiEUkHnMTOEW26cGqFMEtzjyOLr7pC+z5mjUKtUyetreI8GXdvmNlqbnFUeN7iHlFVMS 8kSLbXaSF7wizhx1pQOXYugCsTtKEfspcAUU1KBhoVF4Md116rFsnt98pcmI6DDzMRk5 jFe7EIR/xbUonBt1Z4ptQW0rdBYWBO33Lkl4OUVQWbsZWceawEyyk3+5DiFfDBfbMZYg 0XiA== X-Gm-Message-State: AOAM532XdHk8QJ4AjraDxcSsarqnjAxk8j2ACj2BtT1IyYVbRuf2fb6V vtt36zkxYu5YhgRnvgTQUnFNWJ31j7TFnYtNoCez9bpS/obomcZ2h6YxJ6q0bhe4A7Q7d8MottX K0uecTP1HIQpkAWh89XowZrjBqasQT5+yB+5qE2eFEvOhUrxo X-Received: by 2002:adf:fb0e:: with SMTP id c14mr14429555wrr.140.1617912985403; Thu, 08 Apr 2021 13:16:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyIwIaAo5oCPu118XWrKhGbQi+Nic/eanTaCnDGq7QIZYT+he+8z9GdaAve8WhKurUn3nUuoA== X-Received: by 2002:adf:fb0e:: with SMTP id c14mr14429534wrr.140.1617912985197; Thu, 08 Apr 2021 13:16:25 -0700 (PDT) Received: from localhost.localdomain (xdsl-188-155-192-147.adslplus.ch. [188.155.192.147]) by smtp.gmail.com with ESMTPSA id o62sm22690337wmo.3.2021.04.08.13.16.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Apr 2021 13:16:24 -0700 (PDT) From: Krzysztof Kozlowski To: Marek Szyprowski , Joerg Roedel , Will Deacon , Krzysztof Kozlowski , iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] iommu: exynos: remove unneeded local variable initialization Date: Thu, 8 Apr 2021 22:16:22 +0200 Message-Id: <20210408201622.78009-1-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org The initialization of 'fault_addr' local variable is not needed as it is shortly after overwritten. Addresses-Coverity: Unused value Signed-off-by: Krzysztof Kozlowski Acked-by: Marek Szyprowski --- drivers/iommu/exynos-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index de324b4eedfe..8fa9a591fb96 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -407,7 +407,7 @@ static irqreturn_t exynos_sysmmu_irq(int irq, void *dev_id) struct sysmmu_drvdata *data = dev_id; const struct sysmmu_fault_info *finfo; unsigned int i, n, itype; - sysmmu_iova_t fault_addr = -1; + sysmmu_iova_t fault_addr; unsigned short reg_status, reg_clear; int ret = -ENOSYS;