From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olivier Matz <olivier.matz@6wind.com>
Subject: Re: [PATCH v2] rte mempool: division or modulo by zero
Date: Mon, 23 May 2016 13:28:33 +0200
Message-ID: <5742E961.4060501@6wind.com>
References: <1463661395-6979-1-git-send-email-slawomirx.mrozowicz@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
Cc: dev@dpdk.org
To: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Return-path: <dev-bounces@dpdk.org>
Received: from mail.droids-corp.org (zoll.droids-corp.org [94.23.50.67])
 by dpdk.org (Postfix) with ESMTP id 6A6EBCE7
 for <dev@dpdk.org>; Mon, 23 May 2016 13:28:39 +0200 (CEST)
In-Reply-To: <1463661395-6979-1-git-send-email-slawomirx.mrozowicz@intel.com>
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>



On 05/19/2016 02:36 PM, Slawomir Mrozowicz wrote:
> Fix issue reported by Coverity.
> 
> Coverity ID 13243: Division or modulo by zero
> In function call rte_mempool_xmem_size, division by expression total_size
> which may be zero has undefined behavior.
> 
> Fixes: 148f963fb532 ("xen: core library changes")
> 
> Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>

Acked-by: Olivier Matz <olivier.matz@6wind.com>