Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754715AbbGFQtU (ORCPT ); Mon, 6 Jul 2015 12:49:20 -0400 Received: from linuxhacker.ru ([217.76.32.60]:53189 "EHLO fiona.linuxhacker.ru" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752304AbbGFQtR (ORCPT ); Mon, 6 Jul 2015 12:49:17 -0400 From: green@linuxhacker.ru To: Greg Kroah-Hartman , devel@driverdev.osuosl.org, Andreas Dilger Cc: Linux Kernel Mailing List , Oleg Drokin Subject: [PATCH 01/20] staging/lustre/lov: Move target sysfs symlink removal to object freeing Date: Mon, 6 Jul 2015 12:48:39 -0400 Message-Id: <1436201338-14263-2-git-send-email-green@linuxhacker.ru> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1436201338-14263-1-git-send-email-green@linuxhacker.ru> References: <1436201338-14263-1-git-send-email-green@linuxhacker.ru> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1151 Lines: 42 From: Oleg Drokin This helps to avoid use after free on unmount. Signed-off-by: Oleg Drokin --- drivers/staging/lustre/lustre/lov/lov_obd.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c index 96c55ac..134b663 100644 --- a/drivers/staging/lustre/lustre/lov/lov_obd.c +++ b/drivers/staging/lustre/lustre/lov/lov_obd.c @@ -107,6 +107,10 @@ static void lov_putref(struct obd_device *obd) /* Disconnect */ __lov_del_obd(obd, tgt); } + + if (lov->lov_tgts_kobj) + kobject_put(lov->lov_tgts_kobj); + } else { mutex_unlock(&lov->lov_lock); } @@ -322,9 +326,6 @@ static int lov_disconnect(struct obd_export *exp) } } - if (lov->lov_tgts_kobj) - kobject_put(lov->lov_tgts_kobj); - obd_putref(obd); out: -- 2.1.0 -- 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/