From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751684Ab1HNE2i (ORCPT ); Sun, 14 Aug 2011 00:28:38 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:53285 "EHLO opensource2.wolfsonmicro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750727Ab1HNE2h (ORCPT ); Sun, 14 Aug 2011 00:28:37 -0400 Date: Sun, 14 Aug 2011 13:28:28 +0900 From: Mark Brown To: Axel Lin Cc: linux-kernel@vger.kernel.org, Liam Girdwood , alsa-devel@alsa-project.org Subject: Re: [PATCH] ASoC: soc-core: Fix checking return value of debugfs_create_dir Message-ID: <20110814042826.GC20423@opensource.wolfsonmicro.com> References: <1313292193.4421.1.camel@phoenix> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1313292193.4421.1.camel@phoenix> X-Cookie: You will forget that you ever knew me. User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Aug 14, 2011 at 11:23:13AM +0800, Axel Lin wrote: > We have CONFIG_DEBUG_FS guard around the place calling debugfs_create_dir, > thus debugfs_create_dir returns NULL on failure. On the other hand the existing code doesn't actually have any problem, the IS_ERR() won't give false positives, so the changelog isn't really accurate and if anything we'll introduce a bug if someone cut'n'pastes the code elsewhere.