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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 6BEA6C433DB for ; Mon, 21 Dec 2020 16:28:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3463422AAA for ; Mon, 21 Dec 2020 16:28:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725946AbgLUQ2u (ORCPT ); Mon, 21 Dec 2020 11:28:50 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:30227 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725804AbgLUQ2t (ORCPT ); Mon, 21 Dec 2020 11:28:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1608568043; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=7fZUcPsvm/ONP1AJjS676dOQ+Tew/+ryrHSYFTiFb6Q=; b=PD7ncMWECeme8FAh/HAUMR1WfLWfm1DuilI7KvDxbAMZdHUogTzAblaE9PGNdRVsflhLzH 8DRLZgUUSr/BX3Po/HfbNukQRXUtUqRTxIURy2TbofCkOht/IqYZBagHwfCxZs560fsGJQ xaMcsVMxI0nt/sCHsVPvJsJeRN3TWmI= Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-577-lzIc4HEzNPaTsmLijwIDcA-1; Mon, 21 Dec 2020 11:27:21 -0500 X-MC-Unique: lzIc4HEzNPaTsmLijwIDcA-1 Received: by mail-oo1-f70.google.com with SMTP id m1so4016736ooj.23 for ; Mon, 21 Dec 2020 08:27:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=7fZUcPsvm/ONP1AJjS676dOQ+Tew/+ryrHSYFTiFb6Q=; b=mDSN4I8Fs3grfIeV5sxIJhq52/ZVj8+LGdCxdwgnKExYlHttNXl2sR/gmza3pj8GNU I+FVidADadgHtq0tHc5yrhDUC371/DGV8dNP45N159ViNFlQ2rr6PcFKR92j9TFp3V0V 8yPIfIq/O7ou4wNOTJC/yk27CZ42yhEhA4qeIRuttyYbV62nrcDJs2zd2FnMpMjDRrOk zf8Du8doU6nM36eUB+ln71Ra09w1DJk2xnjD/45pW6vS5L38V4jMf30IWzN2PxR2Fn7e I95mLlxRXdPdgopaG+Z+lACKOVFrBL2FgUByGevbY14i1bppY/DQUCGzdsjIUplLwMN9 iUFA== X-Gm-Message-State: AOAM533BjIQca4c9X+u0SAqIDTOtx0Yi5tvxxbbARhwqbnwIBUMTj5KN dxBGyjimrxxb4QDADa/FM+GpdovcKzNF/iHI/EgAdnONdAJOpPpZBJUrfAHzGohwdMPDq9VAzAz CL0uYa44QD4VLOKuuEYs/q3M/ X-Received: by 2002:a9d:12c:: with SMTP id 41mr12559395otu.77.1608568040848; Mon, 21 Dec 2020 08:27:20 -0800 (PST) X-Google-Smtp-Source: ABdhPJyIFHQxCwxfTsGuY0Q82c9DuHI9dCiXlcm4VSz7iME2mvcSwHUDQ1APIMr+I8TELxiBhbk58A== X-Received: by 2002:a9d:12c:: with SMTP id 41mr12559382otu.77.1608568040671; Mon, 21 Dec 2020 08:27:20 -0800 (PST) Received: from trix.remote.csb (075-142-250-213.res.spectrum.com. [75.142.250.213]) by smtp.gmail.com with ESMTPSA id r25sm3946516otp.23.2020.12.21.08.27.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Dec 2020 08:27:20 -0800 (PST) From: trix@redhat.com To: rostedt@goodmis.org, mingo@redhat.com Cc: linux-kernel@vger.kernel.org, Tom Rix Subject: [PATCH] tracing: add printf attribute to log function Date: Mon, 21 Dec 2020 08:27:15 -0800 Message-Id: <20201221162715.3757291-1-trix@redhat.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tom Rix Attributing the function allows the compiler to more thoroughly check the use of the function with -Wformat and similar flags. Signed-off-by: Tom Rix --- include/linux/trace.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/trace.h b/include/linux/trace.h index 886a4ffd9d45..be1e130ed87c 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -34,8 +34,9 @@ int unregister_ftrace_export(struct trace_export *export); struct trace_array; void trace_printk_init_buffers(void); +__printf(3, 4) int trace_array_printk(struct trace_array *tr, unsigned long ip, - const char *fmt, ...); + const char *fmt, ...); int trace_array_init_printk(struct trace_array *tr); void trace_array_put(struct trace_array *tr); struct trace_array *trace_array_get_by_name(const char *name); -- 2.27.0