From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752930AbbCWSDW (ORCPT ); Mon, 23 Mar 2015 14:03:22 -0400 Received: from mail.windriver.com ([147.11.1.11]:37575 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752221AbbCWSDT (ORCPT ); Mon, 23 Mar 2015 14:03:19 -0400 From: Paul Gortmaker To: Darren Hart CC: , , Paul Gortmaker Subject: [PATCH] x86/wmi: delete unused wmi_data_lock mutex causing gcc warning Date: Mon, 23 Mar 2015 14:01:37 -0400 Message-ID: <1427133697-7228-1-git-send-email-paul.gortmaker@windriver.com> X-Mailer: git-send-email 2.2.1 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 In commit bff431e49ff531a343fbb2b4426e313000844f32 ("ACPI: WMI: Add ACPI-WMI mapping driver") this mutex was added, but the rest of the final commit never actually made use of it, resulting in: In file included from include/linux/mutex.h:29:0, from include/linux/kernfs.h:13, from include/linux/sysfs.h:15, from include/linux/kobject.h:21, from include/linux/device.h:17, from drivers/platform/x86/wmi.c:35: drivers/platform/x86/wmi.c:48:21: warning: ‘wmi_data_lock’ defined but not used [-Wunused-variable] static DEFINE_MUTEX(wmi_data_lock); ^ A git grep shows no other instances/references to the wmi_data_lock. Delete it, assuming that the mutex addition was just a leftover from an earlier work in progress version of the change, since the original dates from 2008. Signed-off-by: Paul Gortmaker --- drivers/platform/x86/wmi.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 737e56d46f61..26a0bd893b86 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -45,7 +45,6 @@ MODULE_LICENSE("GPL"); #define ACPI_WMI_CLASS "wmi" -static DEFINE_MUTEX(wmi_data_lock); static LIST_HEAD(wmi_block_list); struct guid_block { -- 2.2.1