From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935738AbXGKXnt (ORCPT ); Wed, 11 Jul 2007 19:43:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S935129AbXGKXei (ORCPT ); Wed, 11 Jul 2007 19:34:38 -0400 Received: from ns.suse.de ([195.135.220.2]:33843 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935125AbXGKXef (ORCPT ); Wed, 11 Jul 2007 19:34:35 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Tejun Heo , Greg Kroah-Hartman Subject: [PATCH 24/61] sysfs: make sysfs_put() ignore NULL sd Date: Wed, 11 Jul 2007 16:31:43 -0700 Message-Id: <11841968512510-git-send-email-gregkh@suse.de> X-Mailer: git-send-email 1.5.2.2 In-Reply-To: <11841968471598-git-send-email-gregkh@suse.de> References: <20070711233021.GA5253@kroah.com> <11841967403365-git-send-email-gregkh@suse.de> <11841967493890-git-send-email-gregkh@suse.de> <1184196753488-git-send-email-gregkh@suse.de> <1184196759393-git-send-email-gregkh@suse.de> <11841967633087-git-send-email-gregkh@suse.de> <11841967674155-git-send-email-gregkh@suse.de> <11841967711788-git-send-email-gregkh@suse.de> <11841967793134-git-send-email-gregkh@suse.de> <1184196783245-git-send-email-gregkh@suse.de> <1184196787247-git-send-email-gregkh@suse.de> <11841967992975-git-send-email-gregkh@suse.de> <11841968032469-git-send-email-gregkh@suse.de> <11841968071826-git-send-email-gregkh@suse.de> <11841968111201-git-send-email-gregkh@suse.de> <11841968151257-git-send-email-gregkh@suse.de> <1184196818497-git-send-email-gregkh@suse.de> <11841968231043-git-send-email-gregkh@suse.de> <11841968271925-git-send-email-gregkh@suse.de> <11841968303508-git-send-email-gregkh@suse.de> <11841968352439-git-send-email-gregkh@suse.de> <11841968392043-git-send-email-gregkh@suse.de> <11841968431153-git-send-email-gregkh@suse.de> <11841968471598-git-send-email-gregkh@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Tejun Heo Make sysfs_put() ignore NULL sd instead of oopsing. Signed-off-by: Tejun Heo Signed-off-by: Greg Kroah-Hartman --- fs/sysfs/sysfs.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index 687d959..f4fdbbf 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -111,7 +111,7 @@ static inline struct sysfs_dirent * sysfs_get(struct sysfs_dirent * sd) static inline void sysfs_put(struct sysfs_dirent * sd) { - if (atomic_dec_and_test(&sd->s_count)) + if (sd && atomic_dec_and_test(&sd->s_count)) release_sysfs_dirent(sd); } -- 1.5.2.2