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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85576C433EF for ; Thu, 14 Jul 2022 16:43:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239501AbiGNQnt (ORCPT ); Thu, 14 Jul 2022 12:43:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229608AbiGNQng (ORCPT ); Thu, 14 Jul 2022 12:43:36 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7AD504B0C4 for ; Thu, 14 Jul 2022 09:43:30 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0F78E6204F for ; Thu, 14 Jul 2022 16:43:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71101C341C8; Thu, 14 Jul 2022 16:43:29 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.95) (envelope-from ) id 1oC1w0-004lLq-EH; Thu, 14 Jul 2022 12:43:28 -0400 Message-ID: <20220714164328.278538105@goodmis.org> User-Agent: quilt/0.66 Date: Thu, 14 Jul 2022 12:42:58 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Zheng Yejian , Tom Rix Subject: [for-next][PATCH 02/23] tracing/histograms: Simplify create_hist_fields() References: <20220714164256.403842845@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zheng Yejian When I look into implements of create_hist_fields(), I think there can be following two simplifications: 1. If something wrong happened in parse_var_defs(), free_var_defs() would have been called in it, so no need goto free again after calling it; 2. After calling create_key_fields(), regardless of the value of 'ret', it then always runs into 'out: ', so the judge of 'ret' is redundant. Link: https://lkml.kernel.org/r/20220630013152.164871-1-zhengyejian1@huawei.com Signed-off-by: Zheng Yejian Reviewed-by: Tom Rix Signed-off-by: Steven Rostedt (Google) --- kernel/trace/trace_events_hist.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index e87a46794079..fdf784620c28 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -4455,7 +4455,7 @@ static int create_hist_fields(struct hist_trigger_data *hist_data, ret = parse_var_defs(hist_data); if (ret) - goto out; + return ret; ret = create_val_fields(hist_data, file); if (ret) @@ -4466,8 +4466,7 @@ static int create_hist_fields(struct hist_trigger_data *hist_data, goto out; ret = create_key_fields(hist_data, file); - if (ret) - goto out; + out: free_var_defs(hist_data); -- 2.35.1