From nobody Sat Jun 27 23:15:15 2026 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 38D4FC433EF for ; Fri, 18 Feb 2022 03:14:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231858AbiBRDOU (ORCPT ); Thu, 17 Feb 2022 22:14:20 -0500 Received: from gmail-smtp-in.l.google.com ([23.128.96.19]:51580 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231843AbiBRDOR (ORCPT ); Thu, 17 Feb 2022 22:14:17 -0500 Received: from mail-qk1-x731.google.com (mail-qk1-x731.google.com [IPv6:2607:f8b0:4864:20::731]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F17A9387AC; Thu, 17 Feb 2022 19:14:01 -0800 (PST) Received: by mail-qk1-x731.google.com with SMTP id j78so2039825qke.2; Thu, 17 Feb 2022 19:14:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RMGDUJYEnf9KDdTw5F3ZbgchLlVWOkkRHiagdTu86+c=; b=Udux+Ig0KkVmJRPjdOHpRBqKmRlc+4POrEZ9fr2FJoniv6YPK+tz05ONlp+F2DffCx S96TcGrQLQBl0i+v/QfLLcGGcgq3ZJH9fBG40qNmntlyr9XwQMWnexc6tafHt1J+SQuN YyLLNrWb6G6ivcBXGwzKTkESJtN3uEjfY+2BewS7BzIP23MM92d3a8JJzPAXNLJCmqYc CVWJAEb4FROjYhPACFkzhwsUzvSLYkJCIARRRo07QBL8yhzoo8IH1EcpvKc6ziYZvRx1 7EH6NQ5GFirS2GTFhW14tLoIhmXG2hxA316k9xaP2CZQmwkF8a2G2HxzcMjuHnoHpbUq Xtbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RMGDUJYEnf9KDdTw5F3ZbgchLlVWOkkRHiagdTu86+c=; b=NYEStUwCehtHBm/wNyTE2rqMApSmbeIFZuet+UQGgeQza3b7Wdb7fZrjST6nM0yIEW +wdbuSMXqwgWTY3x6UMRZWm4Qw7JHsdWy1r5xWY0/f7H72eMpfdVYhgPlXqBFd5tbdMl kzoIOEUgwDXHslZSrb/h8l2F2DekUNmDSZ4Pz/6woUoYCb0YIya3fMsRBado6BPkSDl2 9F/A3I9blDKESEwbz7TK/iU/sMsbt8DIJpbUnBwus78ZHMPwZ7lvt4qylUMuI9UlF0WB 1WctSF6n5aVmigt6/k7UGMQIa5V/9zhMX7rQGJjmpm+YN7ygY5HXazovA9w/bxrZJCZ+ gFWQ== X-Gm-Message-State: AOAM5326mUopLLqf5U6NktqxZXzR2dwPTb58Z5ART6aPXQc5GCtv3OE3 QB5dhUFPEpJNBEhr2Li8EQjlvgEvkAc= X-Google-Smtp-Source: ABdhPJwj+30ca7Sn+dNlBPpWX9PMVTZK6EWBNHcq000s6/7Tp7rL9Sc0ItX7cjImNE680ql8A/umOA== X-Received: by 2002:a37:a493:0:b0:46b:1df6:a85b with SMTP id n141-20020a37a493000000b0046b1df6a85bmr3459971qke.469.1645154041166; Thu, 17 Feb 2022 19:14:01 -0800 (PST) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id m22sm21781730qkn.35.2022.02.17.19.13.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Feb 2022 19:14:00 -0800 (PST) From: cgel.zte@gmail.com X-Google-Original-From: deng.changcheng@zte.com.cn To: mingo@redhat.com Cc: acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, namhyung@kernel.org, adrian.hunter@intel.com, atrajeev@linux.vnet.ibm.com, ak@linux.intel.com, kan.liang@linux.intel.com, deng.changcheng@zte.com.cn, german.gomez@arm.com, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Zeal Robot Subject: [PATCH] perf tools: Replace zero-length array with flexible-array member Date: Fri, 18 Feb 2022 03:13:52 +0000 Message-Id: <20220218031352.1906077-1-deng.changcheng@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Changcheng Deng There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use "flexible array members" for these cases. The older style of one-element or zero-length arrays should no longer be used. Reference: https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-= and-one-element-arrays Reported-by: Zeal Robot Signed-off-by: Changcheng Deng --- tools/perf/util/event.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index cdd72e05fd28..320cbcd5b902 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -308,7 +308,7 @@ struct perf_synth_intel_evt { }; u32 cfe; }; - struct perf_synth_intel_evd evd[0]; + struct perf_synth_intel_evd evd[]; }; =20 struct perf_synth_intel_iflag_chg { --=20 2.25.1