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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 395F8C0650F for ; Thu, 8 Aug 2019 13:52:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0CD4F208C3 for ; Thu, 8 Aug 2019 13:52:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733305AbfHHNwS (ORCPT ); Thu, 8 Aug 2019 09:52:18 -0400 Received: from outbound.smtp.vt.edu ([198.82.183.121]:45658 "EHLO omr1.cc.vt.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1732882AbfHHNwS (ORCPT ); Thu, 8 Aug 2019 09:52:18 -0400 Received: from mr4.cc.vt.edu (inbound.smtp.ipv6.vt.edu [IPv6:2607:b400:92:9:0:9d:8fcb:4116]) by omr1.cc.vt.edu (8.14.4/8.14.4) with ESMTP id x78DqHRt030506 for ; Thu, 8 Aug 2019 09:52:17 -0400 Received: from mail-qt1-f200.google.com (mail-qt1-f200.google.com [209.85.160.200]) by mr4.cc.vt.edu (8.14.7/8.14.7) with ESMTP id x78DqCVi017146 for ; Thu, 8 Aug 2019 09:52:17 -0400 Received: by mail-qt1-f200.google.com with SMTP id k31so85705092qte.13 for ; Thu, 08 Aug 2019 06:52:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:mime-version:date :message-id; bh=OqAhJ2Qmga3FQYOdb27zJlOLn7eKSMa4CuCLVRDTvUg=; b=CltQeeFskd/zRAfAD+cPWoNy08TwdBSJxurElo+/5NjN/vn0nG0zORDlvglJQP8tVO eJQG+1D64x8C8OB3BOt1igh5LsLIum/etfd23Ra9Yjt8aOy6VeeNlQh9atGvao5d/S/H 5Q3yajlM5ZG3bJgVKCXj4MCPUi2Ba6xeDu5NJ5+zvPqFEIYpupDa+k8UpXjRuenoIvou KIpzU05Z2+oAMXSb4XQoeZgC9i76lU0qJ4psGJTBTGUzSVRFwgSM+fQDhVsDRbLPBRCM bKc0sN0HoCkqgC+Y0ikrIVVeI+m4lEhAtqtdpamqvNnL8Z2kYmPKEkXYxjPdlHEqPHlw bD5Q== X-Gm-Message-State: APjAAAWK7gVGD4a6VD6EwVVd3Y1HLGF2P//rgZkgadZdtvMcYNvv/3Nb VZKhsHdj8eII7h9uK5v5EMzAx+w/E1ghughhQwOhq1REuOW3DkBknSe8PIKC1b8CJcDXOPj6iF7 70Q84xfrtuMes94rWwymTouLZKP6FrRBfJCc= X-Received: by 2002:a37:4f4d:: with SMTP id d74mr1809604qkb.177.1565272331925; Thu, 08 Aug 2019 06:52:11 -0700 (PDT) X-Google-Smtp-Source: APXvYqwqtP09dfMCfdlIIMABIhRjWlpqxDkI38wUWMAolZrN5WGeShJCO7Krvwi6Kvi/ScQG0OCvnQ== X-Received: by 2002:a37:4f4d:: with SMTP id d74mr1809572qkb.177.1565272331628; Thu, 08 Aug 2019 06:52:11 -0700 (PDT) Received: from turing-police ([2601:5c0:c001:4341::359]) by smtp.gmail.com with ESMTPSA id v84sm41752501qkb.0.2019.08.08.06.52.10 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 08 Aug 2019 06:52:10 -0700 (PDT) From: "Valdis =?utf-8?Q?Kl=c4=93tnieks?=" X-Google-Original-From: "Valdis =?utf-8?Q?Kl=c4=93tnieks?=" X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.7+dev To: Thomas Gleixner , Ingo Molnar , Borislav Petkov cc: x86@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] arch/x86/kernel/cpu/umwait.c - remove unused variable Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 08 Aug 2019 09:52:09 -0400 Message-ID: <79734.1565272329@turing-police> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We get a warning when building with W=1: CC arch/x86/kernel/cpu/umwait.o arch/x86/kernel/cpu/umwait.c: In function 'umwait_init': arch/x86/kernel/cpu/umwait.c:183:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 183 | int ret; | ^~~ And indeed, we don't do anything with it, so clean it up. Signed-off-by: Valdis Kletnieks diff --git a/arch/x86/kernel/cpu/umwait.c b/arch/x86/kernel/cpu/umwait.c index 6a204e7336c1..3d1d3952774a 100644 --- a/arch/x86/kernel/cpu/umwait.c +++ b/arch/x86/kernel/cpu/umwait.c @@ -180,12 +180,11 @@ static struct attribute_group umwait_attr_group = { static int __init umwait_init(void) { struct device *dev; - int ret; if (!boot_cpu_has(X86_FEATURE_WAITPKG)) return -ENODEV; - ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "umwait:online", + cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "umwait:online", umwait_cpu_online, NULL); register_syscore_ops(&umwait_syscore_ops);