From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754303AbdCOXIu (ORCPT ); Wed, 15 Mar 2017 19:08:50 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:45994 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753928AbdCOXIU (ORCPT ); Wed, 15 Mar 2017 19:08:20 -0400 To: Elena Reshetova Cc: jth@kernel.org, jejb@linux.vnet.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, fcoe-devel@open-fcoe.org, linux-kernel@vger.kernel.org, Hans Liljestrand , Kees Cook , David Windsor Subject: Re: [PATCH] drivers, scsi: convert fc_fcp_pkt.ref_cnt from atomic_t to refcount_t From: "Martin K. Petersen" Organization: Oracle Corporation References: <1489045442-18738-1-git-send-email-elena.reshetova@intel.com> Date: Wed, 15 Mar 2017 19:07:51 -0400 In-Reply-To: <1489045442-18738-1-git-send-email-elena.reshetova@intel.com> (Elena Reshetova's message of "Thu, 9 Mar 2017 09:44:02 +0200") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Elena Reshetova writes: > refcount_t type and corresponding API should be used instead of > atomic_t when the variable is used as a reference counter. This allows > to avoid accidental refcounter overflows that might lead to > use-after-free situations. Applied to 4.12/scsi-queue. -- Martin K. Petersen Oracle Linux Engineering