From patchwork Wed Aug 9 07:15:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13347497 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 A42CBEB64DD for ; Wed, 9 Aug 2023 07:16:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229521AbjHIHQg (ORCPT ); Wed, 9 Aug 2023 03:16:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49636 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230073AbjHIHQf (ORCPT ); Wed, 9 Aug 2023 03:16:35 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D01401724 for ; Wed, 9 Aug 2023 00:16:34 -0700 (PDT) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RLLqf5v1vz9tH1; Wed, 9 Aug 2023 15:13:02 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 9 Aug 2023 15:16:31 +0800 From: Ruan Jinjie To: , Steven Rostedt , Masami Hiramatsu , Mark Rutland CC: Subject: [PATCH -next] ftrace: Use LIST_HEAD to initialize clear_hash Date: Wed, 9 Aug 2023 15:15:51 +0800 Message-ID: <20230809071551.913041-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org Use LIST_HEAD() to initialize clear_hash instead of open-coding it. Signed-off-by: Ruan Jinjie --- kernel/trace/ftrace.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 05c0024815bf..668202731d92 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -7142,9 +7142,7 @@ void ftrace_free_mem(struct module *mod, void *start_ptr, void *end_ptr) struct dyn_ftrace key; struct ftrace_mod_map *mod_map = NULL; struct ftrace_init_func *func, *func_next; - struct list_head clear_hash; - - INIT_LIST_HEAD(&clear_hash); + LIST_HEAD(clear_hash); key.ip = start; key.flags = end; /* overload flags, as it is unsigned long */