From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:45475 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933383AbcILRKd (ORCPT ); Mon, 12 Sep 2016 13:10:33 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Maurizio Lombardi , Tomas Henzl , Chaitra P B , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 4.4 069/192] [PATCH 072/135] mpt3sas: A correction in unmap_resources Date: Mon, 12 Sep 2016 18:59:38 +0200 Message-Id: <20160912152201.831129125@linuxfoundation.org> In-Reply-To: <20160912152158.855601725@linuxfoundation.org> References: <20160912152158.855601725@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 5f985d88bac34e7f3b4403118eab072902a0b392 ] It might happen that we try to free an already freed pointer. Reported-by: Maurizio Lombardi Signed-off-by: Tomas Henzl Acked-by: Chaitra P B Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/mpt3sas/mpt3sas_base.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2020,8 +2020,10 @@ mpt3sas_base_unmap_resources(struct MPT3 _base_free_irq(ioc); _base_disable_msix(ioc); - if (ioc->msix96_vector) + if (ioc->msix96_vector) { kfree(ioc->replyPostRegisterIndex); + ioc->replyPostRegisterIndex = NULL; + } if (ioc->chip_phys) { iounmap(ioc->chip);