From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [58.251.152.64]) by dpdk.org (Postfix) with ESMTP id 2B92C5A38 for ; Sat, 21 Mar 2015 02:47:04 +0100 (CET) Received: from 172.24.2.119 (EHLO szxeml432-hub.china.huawei.com) ([172.24.2.119]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CLC52987; Sat, 21 Mar 2015 09:47:02 +0800 (CST) Received: from localhost (10.177.19.115) by szxeml432-hub.china.huawei.com (10.82.67.209) with Microsoft SMTP Server id 14.3.158.1; Sat, 21 Mar 2015 09:47:01 +0800 From: linhaifeng To: Date: Sat, 21 Mar 2015 09:47:00 +0800 Message-ID: <1426902420-21492-1-git-send-email-haifeng.lin@huawei.com> X-Mailer: git-send-email 1.8.5.2.msysgit.0 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.177.19.115] X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH v3] lib/librte_vhost: update used->idx when allocation of mbuf fails X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Mar 2015 01:47:06 -0000 From: Linhaifeng When failed to malloc buffer from mempool we just update last_used_idx but not used->idx so after many times vhost thought have handle all packets but virtio_net thought vhost have not handle all packets and will not update avail->idx. Signed-off-by: Linhaifeng --- lib/librte_vhost/vhost_rxtx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_vhost/vhost_rxtx.c b/lib/librte_vhost/vhost_rxtx.c index 535c7a1..510ffe8 100644 --- a/lib/librte_vhost/vhost_rxtx.c +++ b/lib/librte_vhost/vhost_rxtx.c @@ -609,7 +609,7 @@ rte_vhost_dequeue_burst(struct virtio_net *dev, uint16_t queue_id, if (unlikely(m == NULL)) { RTE_LOG(ERR, VHOST_DATA, "Failed to allocate memory for mbuf.\n"); - return entry_success; + break; } seg_offset = 0; seg_avail = m->buf_len - RTE_PKTMBUF_HEADROOM; -- 1.8.5.2.msysgit.0