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=-16.8 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=unavailable 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 D5E7DC433B4 for ; Fri, 9 Apr 2021 09:43:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A613860FE4 for ; Fri, 9 Apr 2021 09:43:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232967AbhDIJnj (ORCPT ); Fri, 9 Apr 2021 05:43:39 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:15997 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232732AbhDIJng (ORCPT ); Fri, 9 Apr 2021 05:43:36 -0400 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4FGtRp1X6QzvS3Y; Fri, 9 Apr 2021 17:41:10 +0800 (CST) Received: from huawei.com (10.175.127.227) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.498.0; Fri, 9 Apr 2021 17:43:16 +0800 From: Ye Bin To: , Christine Caulfield , "David Teigland" CC: , , , Hulk Robot Subject: [PATCH -next] dlm: use DEFINE_MUTEX() for mutex lock Date: Fri, 9 Apr 2021 17:51:41 +0800 Message-ID: <20210409095141.2293982-1-yebin10@huawei.com> X-Mailer: git-send-email 2.25.4 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Originating-IP: [10.175.127.227] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). Reported-by: Hulk Robot Signed-off-by: Ye Bin --- fs/dlm/debug_fs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c index d5bd990bcab8..327a69598de5 100644 --- a/fs/dlm/debug_fs.c +++ b/fs/dlm/debug_fs.c @@ -20,7 +20,7 @@ #define DLM_DEBUG_BUF_LEN 4096 static char debug_buf[DLM_DEBUG_BUF_LEN]; -static struct mutex debug_buf_lock; +static DEFINE_MUTEX(debug_buf_lock); static struct dentry *dlm_root; @@ -795,7 +795,6 @@ void dlm_create_debug_file(struct dlm_ls *ls) void __init dlm_register_debugfs(void) { - mutex_init(&debug_buf_lock); dlm_root = debugfs_create_dir("dlm", NULL); }