From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752669AbbINWq2 (ORCPT ); Mon, 14 Sep 2015 18:46:28 -0400 Received: from linuxhacker.ru ([217.76.32.60]:44241 "EHLO fiona.linuxhacker.ru" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751577AbbINWmN (ORCPT ); Mon, 14 Sep 2015 18:42:13 -0400 From: green@linuxhacker.ru To: Greg Kroah-Hartman , devel@driverdev.osuosl.org, Andreas Dilger Cc: Linux Kernel Mailing List , Oleg Drokin Subject: [PATCH 06/19] staging/lustre/lmv: fix potential null pointer dereference Date: Mon, 14 Sep 2015 18:41:22 -0400 Message-Id: <1442270495-1655259-7-git-send-email-green@linuxhacker.ru> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1442270495-1655259-1-git-send-email-green@linuxhacker.ru> References: <1442270495-1655259-1-git-send-email-green@linuxhacker.ru> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Oleg Drokin In lmv_disconnect_mdc do procfs removal only if we actually know the name. Reviewed-on: http://review.whamcloud.com/14605 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6517 Reviewed-by: James Simmons Reviewed-by: John L. Hammond Reviewed-by: Dmitry Eremin Signed-off-by: Oleg Drokin --- drivers/staging/lustre/lustre/lmv/lmv_obd.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c index 0fc0b61..cebbacf 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c @@ -593,11 +593,11 @@ static int lmv_disconnect_mdc(struct obd_device *obd, struct lmv_tgt_desc *tgt) mdc_obd->obd_force = obd->obd_force; mdc_obd->obd_fail = obd->obd_fail; mdc_obd->obd_no_recov = obd->obd_no_recov; - } - if (lmv->lmv_tgts_kobj) - sysfs_remove_link(lmv->lmv_tgts_kobj, - mdc_obd->obd_name); + if (lmv->lmv_tgts_kobj) + sysfs_remove_link(lmv->lmv_tgts_kobj, + mdc_obd->obd_name); + } rc = obd_fid_fini(tgt->ltd_exp->exp_obd); if (rc) -- 2.1.0