From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933001AbdHVOt0 (ORCPT ); Tue, 22 Aug 2017 10:49:26 -0400 Received: from mx2.suse.de ([195.135.220.15]:46790 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932523AbdHVOtZ (ORCPT ); Tue, 22 Aug 2017 10:49:25 -0400 Date: Tue, 22 Aug 2017 16:49:23 +0200 Message-ID: From: Takashi Iwai To: SF Markus Elfring Cc: alsa-devel@alsa-project.org, kernel-janitors@vger.kernel.org, LKML , Dan Carpenter Subject: Re: [alsa-devel] ALSA: pcsp: Use common error handling code in snd_card_pcsp_probe() In-Reply-To: <139363f6-e059-defb-357e-f18645ba9768@users.sourceforge.net> References: <08ee0d6b-788b-2845-6964-e1e55c2d2292@users.sourceforge.net> <20170822121625.syvr64kwyh5xjexg@mwanda> <139363f6-e059-defb-357e-f18645ba9768@users.sourceforge.net> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.2 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 22 Aug 2017 16:36:35 +0200, SF Markus Elfring wrote: > > >> I got the impression that the functions which are called at the updated places > >> by the function “snd_card_pcsp_probe” indicate a successful execution > >> only by zero so far. > > > > You have the impression, great. > > This aspect is also a general programming interface issue for some functions. > > > > And what's the reason to drop the negative check? > > * I find it a bit safer when the error predicate is “return value != 0”. Can't agree. And I have no interest to continue bike-shedding, sorry. You can't convince me regarding this. Takashi