From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751382AbdAQOfc (ORCPT ); Tue, 17 Jan 2017 09:35:32 -0500 Received: from mail.zhinst.com ([212.126.164.98]:33174 "EHLO mail.zhinst.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751339AbdAQOf3 (ORCPT ); Tue, 17 Jan 2017 09:35:29 -0500 From: Tobias Klauser To: Thomas Gleixner Cc: Sebastian Andrzej Siewior , Peter Zijlstra , rt@linutronix.de, linux-kernel@vger.kernel.org Subject: [PATCH] cpu/hotplug: Remove unused but set variable in _cpu_down() Date: Tue, 17 Jan 2017 15:35:01 +0100 Message-Id: <20170117143501.20893-1-tklauser@distanz.ch> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org After commit 530e9b76ae8f ("cpu/hotplug: Remove obsolete cpu hotplug register/unregister functions"), the variable hasdied in _cpu_down() is set but no longer read, leading to the following GCC warning when building with 'make W=1': kernel/cpu.c:767:7: warning: variable ‘hasdied’ set but not used [-Wunused-but-set-variable] Fix it by removing the variable. Cc: Thomas Gleixner Signed-off-by: Tobias Klauser --- kernel/cpu.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/kernel/cpu.c b/kernel/cpu.c index f75c4d031eeb..f6b166ac7873 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -764,7 +764,6 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen, { struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu); int prev_state, ret = 0; - bool hasdied = false; if (num_online_cpus() == 1) return -EBUSY; @@ -809,7 +808,6 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen, cpuhp_kick_ap_work(cpu); } - hasdied = prev_state != st->state && st->state == CPUHP_OFFLINE; out: cpu_hotplug_done(); return ret; -- 2.11.0