Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754381AbYJQL0k (ORCPT ); Fri, 17 Oct 2008 07:26:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752854AbYJQL01 (ORCPT ); Fri, 17 Oct 2008 07:26:27 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:63978 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753768AbYJQL00 (ORCPT ); Fri, 17 Oct 2008 07:26:26 -0400 Message-ID: <48F8760F.4070909@cn.fujitsu.com> Date: Fri, 17 Oct 2008 19:25:03 +0800 From: Zhaolei User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: lethal@linux-sh.org CC: linux-sh@vger.kernel.org, "linux-kernel@vger.kernel.org" Subject: [PATCH] Fix debugfs_create_dir's error checking method for arch/sh/kernel/ Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 925 Lines: 32 Hi, debugfs_create_dir() returns NULL if an error occurs, returns -ENODEV when debugfs is not enabled in the kernel. Signed-off-by: Zhao Lei --- arch/sh/kernel/setup.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index de83205..c41c4dc 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -530,6 +530,8 @@ struct dentry *sh_debugfs_root; static int __init sh_debugfs_init(void) { sh_debugfs_root = debugfs_create_dir("sh", NULL); + if (!sh_debugfs_root) + return -ENOMEM; if (IS_ERR(sh_debugfs_root)) return PTR_ERR(sh_debugfs_root); -- 1.5.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/