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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=no 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 97032C54E8A for ; Sun, 10 May 2020 09:56:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 771B9208E4 for ; Sun, 10 May 2020 09:56:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589104563; bh=cQSr1HS81+V30WagzCd/YqqVCmaLXvKM/9B2aSABrlY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=RlWpUyQ2c2Yh7kP8XTVNX7af4+TmhUMF0pu26Csc/PW7uGgkgRXQr0kwYHRkYC2VH e9bjBDa2K12mTHLiAjFttaPmV2x5nZ6+gXxIkls1uDTCO6ai4Kj4ghH93siQpaH9X5 yhhLh3DGgyYy/MGzow9emsfg67g/MxC08jBHRP/8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728567AbgEJJ4D (ORCPT ); Sun, 10 May 2020 05:56:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:58164 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725994AbgEJJ4C (ORCPT ); Sun, 10 May 2020 05:56:02 -0400 Received: from archlinux (cpc149474-cmbg20-2-0-cust94.5-4.cable.virginm.net [82.4.196.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 482AA20820; Sun, 10 May 2020 09:56:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589104562; bh=cQSr1HS81+V30WagzCd/YqqVCmaLXvKM/9B2aSABrlY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=q1wnvjDzywli3oofFSy4iomVjMB8Eo8elFHYjtawRagYiMi+4FzYyi/QWRG71L0+v 2Bj7kaGjy87aAEiqsxTtli3mc8yhN3gIrx2GwFe54FjgwLyGufmh2ilCbVUlUnaoqq PZF7bztSGvH1oHr2RUz0uXX1T+uHOjvQAZPpaAww= Date: Sun, 10 May 2020 10:55:57 +0100 From: Jonathan Cameron To: Markus Elfring Cc: Christophe Jaillet , linux-iio@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Dan Carpenter , Greg Kroah-Hartman , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Thomas Gleixner Subject: Re: [PATCH] iio: sca3000: Remove an erroneous get_device() call in sca3000_read_data() Message-ID: <20200510105557.716fa742@archlinux> In-Reply-To: <6e972e9b-c799-f0ad-91ac-144640b463f6@web.de> References: <6e972e9b-c799-f0ad-91ac-144640b463f6@web.de> X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 6 May 2020 17:30:06 +0200 Markus Elfring wrote: > > This looks really unusual to have a 'get_device()' hidden in a 'dev_err()' call. > > Is there a need to prevent similar function calls by the means of > advanced source code analysis? It's a seriously stupid bug so I'd have thought unlikely to occur often enough to be worth it. Jonathan > > Regards, > Markus