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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT 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 723A7C33CAA for ; Tue, 21 Jan 2020 05:54:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53D6F22314 for ; Tue, 21 Jan 2020 05:54:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728843AbgAUFyg (ORCPT ); Tue, 21 Jan 2020 00:54:36 -0500 Received: from out30-45.freemail.mail.aliyun.com ([115.124.30.45]:49308 "EHLO out30-45.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725916AbgAUFyf (ORCPT ); Tue, 21 Jan 2020 00:54:35 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R751e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e07484;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=3;SR=0;TI=SMTPD_---0ToH3qle_1579586073; Received: from localhost(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0ToH3qle_1579586073) by smtp.aliyun-inc.com(127.0.0.1); Tue, 21 Jan 2020 13:54:33 +0800 From: Alex Shi Cc: Steven Rostedt , Ingo Molnar , linux-kernel@vger.kernel.org Subject: [PATCH] ftrace: remove unused variables Date: Tue, 21 Jan 2020 13:54:32 +0800 Message-Id: <1579586072-45047-1-git-send-email-alex.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No body care 'ret' in their functions. So better to remove them. Signed-off-by: Alex Shi Cc: Steven Rostedt Cc: Ingo Molnar Cc: linux-kernel@vger.kernel.org --- kernel/trace/ftrace.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 9bf1f2cd515e..3826bad33c87 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -4113,7 +4113,6 @@ static void process_mod_list(struct list_head *head, struct ftrace_ops *ops, struct ftrace_hash **orig_hash, *new_hash; LIST_HEAD(process_mods); char *func; - int ret; mutex_lock(&ops->func_hash->regex_lock); @@ -4166,7 +4165,7 @@ static void process_mod_list(struct list_head *head, struct ftrace_ops *ops, mutex_lock(&ftrace_lock); - ret = ftrace_hash_move_and_update_ops(ops, orig_hash, + ftrace_hash_move_and_update_ops(ops, orig_hash, new_hash, enable); mutex_unlock(&ftrace_lock); @@ -5517,7 +5516,6 @@ int ftrace_regex_release(struct inode *inode, struct file *file) struct ftrace_hash **orig_hash; struct trace_parser *parser; int filter_hash; - int ret; if (file->f_mode & FMODE_READ) { iter = m->private; @@ -5545,7 +5543,7 @@ int ftrace_regex_release(struct inode *inode, struct file *file) orig_hash = &iter->ops->func_hash->notrace_hash; mutex_lock(&ftrace_lock); - ret = ftrace_hash_move_and_update_ops(iter->ops, orig_hash, + ftrace_hash_move_and_update_ops(iter->ops, orig_hash, iter->hash, filter_hash); mutex_unlock(&ftrace_lock); } else { -- 1.8.3.1