From patchwork Tue Apr 27 05:21:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Patrick Menschel X-Patchwork-Id: 429178 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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 293D6C43470 for ; Tue, 27 Apr 2021 05:22:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE043613BE for ; Tue, 27 Apr 2021 05:21:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231468AbhD0FWk (ORCPT ); Tue, 27 Apr 2021 01:22:40 -0400 Received: from mout01.posteo.de ([185.67.36.65]:53675 "EHLO mout01.posteo.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229557AbhD0FWg (ORCPT ); Tue, 27 Apr 2021 01:22:36 -0400 Received: from submission (posteo.de [89.146.220.130]) by mout01.posteo.de (Postfix) with ESMTPS id AD3E824002A for ; Tue, 27 Apr 2021 07:21:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1619500911; bh=9OnaEzP7+K30fSr267P0abZkCLV5RfY0Ce9iEMsTJgU=; h=From:To:Subject:Date:From; b=pWY14SFSs5+n0YJS6P128no1j/HE9TMuwAWXlmTAYH24SFkPpCQPCedR31Z0CvvYA NeZbUzY1Pv7bwYz6VGA6Is+LGpIOxWaAjHyUsYAsf4nHj8/4KJP+9PkOsDX6vF+m9S Gderr/Pzj138dfLItnzLoLUZyo0U7Qgr2RPhnfgkjk0W2IipyaItB8iUaiPagX+UcD 8pFDkgZkWB93KmOkWgt3L62YnYDC4MVFIn7zWjWdzWR/wQRH1f8V+v2KHTEvylSUDR FdlOaXsMnzEMZwMcSbxvxS0lIe82UOHSGioZxx1Qi73lSAR2DXLvhY5QCYIEDI3hc9 9pXdggK5abM3g== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4FTqrG3sdWz9rxG; Tue, 27 Apr 2021 07:21:50 +0200 (CEST) From: Patrick Menschel To: Oliver Hartkopp , Marc Kleine-Budde , "David S. Miller" , Jakub Kicinski , linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/3] can-isotp: Add more comprehensive error messages Date: Tue, 27 Apr 2021 05:21:46 +0000 Message-Id: <20210427052150.2308-1-menschel.p@posteo.de> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch series adds more comprehensive error messages to isotp.c by using error pointers instead of decimal error numbers. https://www.kernel.org/doc/html/latest/core-api/printk-formats.html#error-pointers It also adds a more comprehensive error message in case txqueue is full due to a burst transfer, telling the user to increase txqueuelen to prevent this from happening. Patrick Menschel (3): can-isotp: Change error format from decimal to symbolic error names can-isotp: Add symbolic error message to isotp_module_init() can-isotp: Add error message if txqueuelen is too small net/can/isotp.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-)