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 89390CA0EC0 for ; Mon, 11 Sep 2023 21:38:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349137AbjIKVco (ORCPT ); Mon, 11 Sep 2023 17:32:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240817AbjIKOyn (ORCPT ); Mon, 11 Sep 2023 10:54:43 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DDF3AE40 for ; Mon, 11 Sep 2023 07:54:38 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FFE1C433C7; Mon, 11 Sep 2023 14:54:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694444078; bh=6k+YPnSfRoqD3a3tB73kKxaDzI83Ua8mKnbg+cZLGJg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g2psPgqd6aGu5ee5lE2aLSuSisP1bQZncsB1NotCYHU3r5V/4Lgd+vRyYW+O7jcQt n/PAF0wZR0hKfGePpTcAp1Nv+qLKUJg3bJB9L/AzqFggOrF8DfifFXLnEAaAtmr4t+ mQplckqzUnpkf+j0wlBZtRoRZ9cF6CGhFIZqPl/I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Masami Hiramatsu , Mikhail Kobuk , Alexey Khoroshilov , Daniel Bristot de Oliveira , "Steven Rostedt (Google)" , Sasha Levin Subject: [PATCH 6.4 602/737] tracing: Remove extra space at the end of hwlat_detector/mode Date: Mon, 11 Sep 2023 15:47:41 +0200 Message-ID: <20230911134707.352776322@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230911134650.286315610@linuxfoundation.org> References: <20230911134650.286315610@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mikhail Kobuk [ Upstream commit 2cf0dee989a8b2501929eaab29473b6b1fa11057 ] Space is printed after each mode value including the last one: $ echo \"$(sudo cat /sys/kernel/tracing/hwlat_detector/mode)\" "none [round-robin] per-cpu " Found by Linux Verification Center (linuxtesting.org) with SVACE. Link: https://lore.kernel.org/linux-trace-kernel/20230825103432.7750-1-m.kobuk@ispras.ru Cc: Masami Hiramatsu Fixes: 8fa826b7344d ("trace/hwlat: Implement the mode config option") Signed-off-by: Mikhail Kobuk Reviewed-by: Alexey Khoroshilov Acked-by: Daniel Bristot de Oliveira Signed-off-by: Steven Rostedt (Google) Signed-off-by: Sasha Levin --- kernel/trace/trace_hwlat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c index 2f37a6e68aa9f..b791524a6536a 100644 --- a/kernel/trace/trace_hwlat.c +++ b/kernel/trace/trace_hwlat.c @@ -635,7 +635,7 @@ static int s_mode_show(struct seq_file *s, void *v) else seq_printf(s, "%s", thread_mode_str[mode]); - if (mode != MODE_MAX) + if (mode < MODE_MAX - 1) /* if mode is any but last */ seq_puts(s, " "); return 0; -- 2.40.1