Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754301AbYJQJYW (ORCPT ); Fri, 17 Oct 2008 05:24:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752683AbYJQJYO (ORCPT ); Fri, 17 Oct 2008 05:24:14 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:49338 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752472AbYJQJYO (ORCPT ); Fri, 17 Oct 2008 05:24:14 -0400 Message-ID: <48F85976.4070609@cn.fujitsu.com> Date: Fri, 17 Oct 2008 17:23:02 +0800 From: Zhaolei User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Russell King , "linux-kernel@vger.kernel.org" Subject: [PATCH] Fix debugfs_create_dir's error checking method for arm/plat-omap 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: 892 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/arm/plat-omap/clock.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index bf6a10c..0767985 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -483,6 +483,8 @@ static int __init clk_debugfs_init(void) int err; d = debugfs_create_dir("clock", NULL); + if (!d) + return -ENOMEM; if (IS_ERR(d)) return PTR_ERR(d); clk_debugfs_root = d; -- 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/