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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n24-20020a056402515800b004634dd8b6edsi975179edd.296.2022.11.30.03.19.29; Wed, 30 Nov 2022 03:19:52 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234034AbiK3LPy (ORCPT + 99 others); Wed, 30 Nov 2022 06:15:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233889AbiK3LPh (ORCPT ); Wed, 30 Nov 2022 06:15:37 -0500 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 959EE2791F; Wed, 30 Nov 2022 03:15:36 -0800 (PST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id F1F8B1042; Wed, 30 Nov 2022 03:15:42 -0800 (PST) Received: from e126815.warwick.arm.com (e126815.arm.com [10.32.32.26]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id BC2B83F73B; Wed, 30 Nov 2022 03:15:34 -0800 (PST) From: James Clark To: linux-perf-users@vger.kernel.org, acme@kernel.org, namhyung@kernel.org Cc: linux-kernel@vger.kernel.org, James Clark , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers Subject: [PATCH 2/2] perf stat: Fix invalid output handle Date: Wed, 30 Nov 2022 11:15:21 +0000 Message-Id: <20221130111521.334152-2-james.clark@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221130111521.334152-1-james.clark@arm.com> References: <20221130111521.334152-1-james.clark@arm.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1750919747148990281?= X-GMAIL-MSGID: =?utf-8?q?1750919747148990281?= In this context, 'os' is already a pointer so the extra dereference isn't required. This fixes the following test failure on aarch64: $ ./perf test "json output" -vvv 92: perf stat JSON output linter : --- start --- Checking json output: no args Test failed for input: ... Fatal error: glibc detected an invalid stdio handle ---- end ---- perf stat JSON output linter: FAILED! Fixes: e7f4da312259 ("perf stat: Pass struct outstate to printout()") Signed-off-by: James Clark Acked-by: Namhyung Kim Tested-by: Athira Rajeev --- tools/perf/util/stat-display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 847acdb5dc40..eac5ac3a734c 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -741,7 +741,7 @@ static void printout(struct perf_stat_config *config, struct outstate *os, perf_stat__print_shadow_stats(config, counter, uval, map_idx, &out, &config->metric_events, &rt_stat); } else { - pm(config, &os, /*color=*/NULL, /*format=*/NULL, /*unit=*/"", /*val=*/0); + pm(config, os, /*color=*/NULL, /*format=*/NULL, /*unit=*/"", /*val=*/0); } if (!config->metric_only) {