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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 44430C4338F for ; Mon, 26 Jul 2021 13:56:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 273886023F for ; Mon, 26 Jul 2021 13:56:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233920AbhGZNQQ (ORCPT ); Mon, 26 Jul 2021 09:16:16 -0400 Received: from smtpbg128.qq.com ([106.55.201.39]:65269 "EHLO smtpbg587.qq.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230421AbhGZNQN (ORCPT ); Mon, 26 Jul 2021 09:16:13 -0400 X-QQ-mid: bizesmtp34t1627307797tmqz1b8g Received: from ficus.lan (unknown [171.223.99.141]) by esmtp6.qq.com (ESMTP) with id ; Mon, 26 Jul 2021 21:56:36 +0800 (CST) X-QQ-SSF: 0100000000200090B000C00A0000000 X-QQ-FEAT: WxvWionyWT6QKTrHhJM38Ng4bznx34znBiAWssqtHTpWYf0L5tr2q8X5gZAqa 8RXDBfaMFJu2QfBLLdRgkseNZgJ/z3UjYyvsiYRg6qjL+Q3ZbCqZ36O/JjC3oHlIwN+LF4o mCsMWAOKn7nqghr/VRkXvA/WqJVInJ+tx8+lvMIyaXRb/FYn0BwP8p0nd+6Rbb+r3kb7oha 73LqsLNHcRPUAAlV8BkTWhq2PunCNOLgxFLO7AAwaH7W1NTCpzP4QwZDvZASiIzYfXiRkVH ir9eiyZaD+TRyW1wQcc2Ht+NpWbwPziyZk2+SyCpCdtoLBp05b//SfJ17IZMs5RysK+Q3K2 391DuI/aitpDeb6nKQ= X-QQ-GoodBg: 0 From: Jason Wang To: rostedt@goodmis.org Cc: mingo@redhat.com, linux-kernel@vger.kernel.org, Jason Wang Subject: [PATCH] tracing: use WARN_ONCE Date: Mon, 26 Jul 2021 21:56:35 +0800 Message-Id: <20210726135635.143285-1-wangborong@cdjrlc.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:cdjrlc.com:qybgspam:qybgspam5 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org printk + WARN_ON_ONCE can be just WARN_ONCE. Signed-off-by: Jason Wang --- kernel/trace/trace_output.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index a0bf446bb034..c06726b6d8b4 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -1574,9 +1574,8 @@ __init static int init_events(void) ret = register_trace_event(event); if (!ret) { - printk(KERN_WARNING "event %d failed to register\n", - event->type); - WARN_ON_ONCE(1); + WARN_ONCE(1, "event %d failed to register\n", + event->type); } } -- 2.32.0