From nobody Tue Jun 23 22:22:51 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8481BC433EF for ; Fri, 25 Feb 2022 09:32:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239119AbiBYJdS (ORCPT ); Fri, 25 Feb 2022 04:33:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235025AbiBYJdP (ORCPT ); Fri, 25 Feb 2022 04:33:15 -0500 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 470D017B0F6; Fri, 25 Feb 2022 01:32:43 -0800 (PST) Received: by mail-wm1-x32e.google.com with SMTP id l1-20020a7bcf01000000b0037f881182a8so1300171wmg.2; Fri, 25 Feb 2022 01:32:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=/Anr/HpsJ2V3LE7H1qAJzQqqWy2ZK47ULNqlFEib6tU=; b=P7ly3xMyPOrr3B0325E0teDM/lnRIOn9XJo7vDUt6oM76ogcTuQmAW6QSIVXm06n6x clY6WFc+TmNkhiQfhXRr8z+8+GnhlhufGuUcCpWy72mXjFb/viNp1REsO6MooFRkqJKW LiKPKOSqw2QbIhK8uF5COvxCOU35Ijtfx4xyKac9cRmg7dMheotudn9S9JZ3N7Tn7SyF 7Dz20E21T8NXyZywwDBROSordMx0mgKNb9BsZ3K4K7lDo/5eowmZTV2onhx2j37l5Ond fYQvlVkhQXEtA1WzjBBIhYtMWPIIrs+qS4YVXWl27BzzfOPOQwSa5ZBSDUWT2SW3Pkd/ Wtuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=/Anr/HpsJ2V3LE7H1qAJzQqqWy2ZK47ULNqlFEib6tU=; b=0W6atkdqnYO3Lxx/uEZ6DDxYf9JCIfOZwfYm83Vb3lTwz4Y28HtdxypCOG6O6HO55Y C6f51U2VOIQLfvnLcDtAF4rA3Ku1N5q2a8zhX/YwCStY2gjXB5yVE/Pwk6lZk0CI9HWT ZjeaPeYkCDb3DbqYnMmyl2WXBIl9MIMY3/rxxenk3IAfPKihV4kmOZ67JxBhswrhGafG MDUjDTJpGjzsZrl4ZffP4x9/0RMyH4X7tIeyu6tjTW90iSDoi8XFcSgIfk98M7t0fMQB +U/MedHjZA7V/NIWi2hVIDiqqoSrKG5wjooOhLke8+ND0NkEZ6onkpEYYUa4tmgT5IQ+ Xncg== X-Gm-Message-State: AOAM533oMr8tMxZbvCRMTSpbPlURQytICFjI5vnZ12ATYEu9K9ocFWCc 5oVOC62C0w0dW4eHJlRewtU= X-Google-Smtp-Source: ABdhPJwoCKrFbFoCIBMTdfn2qSE6TEQIPQ9CT9XkwjlSqgeqEjqMCQ0M7IbjTCUATIRzbiSlEcckPw== X-Received: by 2002:a05:600c:20b:b0:381:263:b5d6 with SMTP id 11-20020a05600c020b00b003810263b5d6mr1904829wmi.73.1645781561681; Fri, 25 Feb 2022 01:32:41 -0800 (PST) Received: from localhost (cpc154979-craw9-2-0-cust193.16-3.cable.virginm.net. [80.193.200.194]) by smtp.gmail.com with ESMTPSA id x2-20020a7bc762000000b00380fd1ba4ebsm7733046wmk.9.2022.02.25.01.32.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Feb 2022 01:32:21 -0800 (PST) From: Colin Ian King To: Will Deacon , Robin Murphy , Joerg Roedel , linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH] iommu/arm-smmu: remove redundant assignment to variable res Date: Fri, 25 Feb 2022 09:32:05 +0000 Message-Id: <20220225093205.170973-1-colin.i.king@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The variable res is being assigned a value that isn't being read later. The assignment is redundant and can be removed. Cleans up clang scan warning: drivers/iommu/arm/arm-smmu/arm-smmu.c:2109:10: warning: Although the value stored to 'res' is used in the enclosing expression, the value is never actually read from 'res' [deadcode.DeadStores] Signed-off-by: Colin Ian King --- drivers/iommu/arm/arm-smmu/arm-smmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-= smmu/arm-smmu.c index 4bc75c4ce402..f83d2c32b5a9 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c @@ -2106,7 +2106,7 @@ static int arm_smmu_device_probe(struct platform_devi= ce *pdev) return PTR_ERR(smmu); =20 num_irqs =3D 0; - while ((res =3D platform_get_resource(pdev, IORESOURCE_IRQ, num_irqs))) { + while (platform_get_resource(pdev, IORESOURCE_IRQ, num_irqs)) { num_irqs++; if (num_irqs > smmu->num_global_irqs) smmu->num_context_irqs++; --=20 2.34.1