From patchwork Thu Jun 20 02:34:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiwei Bie X-Patchwork-Id: 55112 X-Patchwork-Delegate: maxime.coquelin@redhat.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 25F941D0AD; Thu, 20 Jun 2019 04:36:07 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id BC8C91D08E; Thu, 20 Jun 2019 04:36:04 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Jun 2019 19:36:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,395,1557212400"; d="scan'208";a="165190357" Received: from npg-dpdk-virtio-tbie-2.sh.intel.com ([10.67.104.151]) by orsmga006.jf.intel.com with ESMTP; 19 Jun 2019 19:36:02 -0700 From: Tiwei Bie To: maxime.coquelin@redhat.com, zhihong.wang@intel.com, dev@dpdk.org Cc: stable@dpdk.org Date: Thu, 20 Jun 2019 10:34:34 +0800 Message-Id: <20190620023436.12819-3-tiwei.bie@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190620023436.12819-1-tiwei.bie@intel.com> References: <20190620023436.12819-1-tiwei.bie@intel.com> Subject: [dpdk-dev] [PATCH v2 2/4] net/virtio: fix memory leak in mergeable Rx 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 there is no enough segments for a packet in mergeable Rx path, we should free the whole mbuf chain instead of just recycling the last segment. Fixes: bcac5aa207f8 ("net/virtio: improve batching in mergeable path") Cc: stable@dpdk.org Reviewed-by: Maxime Coquelin Signed-off-by: Tiwei Bie --- drivers/net/virtio/virtio_rxtx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c index bdb3a2f18..9cf422ffe 100644 --- a/drivers/net/virtio/virtio_rxtx.c +++ b/drivers/net/virtio/virtio_rxtx.c @@ -1737,7 +1737,7 @@ virtio_recv_mergeable_pkts(void *rx_queue, } else { PMD_RX_LOG(ERR, "No enough segments for packet."); - virtio_discard_rxbuf(vq, prev); + rte_pktmbuf_free(rx_pkts[nb_rx]); rxvq->stats.errors++; break; }