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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 D2423C48BDF for ; Tue, 15 Jun 2021 15:39:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFA67614A7 for ; Tue, 15 Jun 2021 15:39:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231689AbhFOPld convert rfc822-to-8bit (ORCPT ); Tue, 15 Jun 2021 11:41:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:41910 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230352AbhFOPlc (ORCPT ); Tue, 15 Jun 2021 11:41:32 -0400 Received: from oasis.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1CDF061494; Tue, 15 Jun 2021 15:39:27 +0000 (UTC) Date: Tue, 15 Jun 2021 11:39:25 -0400 From: Steven Rostedt To: "libaokun (A)" Cc: , , , , , Subject: Re: [PATCH -next] tracing: Remove set but not used variable 'ret' Message-ID: <20210615113925.27ad04ea@oasis.local.home> In-Reply-To: <4ab45eeb-ad26-03e8-f2c5-2dc4582a2946@huawei.com> References: <20210527091032.3878436-1-libaokun1@huawei.com> <4ab45eeb-ad26-03e8-f2c5-2dc4582a2946@huawei.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 15 Jun 2021 09:59:10 +0800 "libaokun (A)" wrote: > ping > > 在 2021/5/27 17:10, Baokun Li 写道: > > Fixes gcc '-Wunused-but-set-variable' warning: > > > > kernel/trace/trace_events_hist.c: In function 'unregister_field_var_hists': > > kernel/trace/trace_events_hist.c:5228:6: warning: > > variable ‘ret’ set but not used [-Wunused-but-set-variable] > > > > It never used since introduction. Which was a bug. > > > > Signed-off-by: Baokun Li > This was fixed differently: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=6c610dba6e2beb1a16ac309672181d0090fb8d30 -- Steve