From patchwork Wed Dec 12 11:11:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yongseok Koh X-Patchwork-Id: 48699 X-Patchwork-Delegate: shahafs@mellanox.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id EB11B1B2B3; Wed, 12 Dec 2018 12:11:44 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 241631B2B3 for ; Wed, 12 Dec 2018 12:11:43 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from yskoh@mellanox.com) with ESMTPS (AES256-SHA encrypted); 12 Dec 2018 13:17:47 +0200 Received: from scfae-sc-2.mti.labs.mlnx (scfae-sc-2.mti.labs.mlnx [10.101.0.96]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id wBCBBaDm010112; Wed, 12 Dec 2018 13:11:36 +0200 From: Yongseok Koh To: shahafs@mellanox.com Cc: dev@dpdk.org, stable@dpdk.org Date: Wed, 12 Dec 2018 03:11:32 -0800 Message-Id: <20181212111132.35983-1-yskoh@mellanox.com> X-Mailer: git-send-email 2.11.0 Subject: [dpdk-dev] [PATCH] net/mlx5: fix Multi-Packet RQ mempool free X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" When MPRQ mempool is freed, the pointer stored in priv structure must be reset to null. Otherwise, the mempool can be freed again if the port is restarted. Fixes: 7d6bf6b866b8 ("net/mlx5: add Multi-Packet Rx support") Cc: stable@dpdk.org Signed-off-by: Yongseok Koh --- drivers/net/mlx5/mlx5_rxq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c index 183da0e282..34c8338723 100644 --- a/drivers/net/mlx5/mlx5_rxq.c +++ b/drivers/net/mlx5/mlx5_rxq.c @@ -1179,6 +1179,7 @@ mlx5_mprq_free_mp(struct rte_eth_dev *dev) continue; rxq->mprq_mp = NULL; } + priv->mprq_mp = NULL; return 0; }