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=-6.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,UNWANTED_LANGUAGE_BODY,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 A3692C33CAA for ; Tue, 21 Jan 2020 05:54:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 84D6A24653 for ; Tue, 21 Jan 2020 05:54:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729028AbgAUFyt (ORCPT ); Tue, 21 Jan 2020 00:54:49 -0500 Received: from out30-45.freemail.mail.aliyun.com ([115.124.30.45]:57473 "EHLO out30-45.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728978AbgAUFyr (ORCPT ); Tue, 21 Jan 2020 00:54:47 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R211e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01f04446;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=3;SR=0;TI=SMTPD_---0ToH2KsM_1579586084; Received: from localhost(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0ToH2KsM_1579586084) by smtp.aliyun-inc.com(127.0.0.1); Tue, 21 Jan 2020 13:54:44 +0800 From: Alex Shi Cc: Steven Rostedt , Ingo Molnar , linux-kernel@vger.kernel.org Subject: [PATCH] tracing: remove unused ret Date: Tue, 21 Jan 2020 13:54:43 +0800 Message-Id: <1579586083-45359-1-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 the variable 'ret' in function unregister_field_var_hists, better to remove it. Signed-off-by: Alex Shi Cc: Steven Rostedt Cc: Ingo Molnar Cc: linux-kernel@vger.kernel.org --- kernel/trace/trace_events_hist.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index f62de5f43e79..0acfac95ca2a 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -5712,12 +5712,11 @@ static void unregister_field_var_hists(struct hist_trigger_data *hist_data) struct trace_event_file *file; unsigned int i; char *cmd; - int ret; for (i = 0; i < hist_data->n_field_var_hists; i++) { file = hist_data->field_var_hists[i]->hist_data->event_file; cmd = hist_data->field_var_hists[i]->cmd; - ret = event_hist_trigger_func(&trigger_hist_cmd, file, + event_hist_trigger_func(&trigger_hist_cmd, file, "!hist", "hist", cmd); } } -- 1.8.3.1