From patchwork Mon Apr 19 13:34:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "humin (Q)" X-Patchwork-Id: 91759 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 81170A0524; Mon, 19 Apr 2021 15:35:22 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D33CB41310; Mon, 19 Apr 2021 15:34:57 +0200 (CEST) Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) by mails.dpdk.org (Postfix) with ESMTP id CD4FD412ED for ; Mon, 19 Apr 2021 15:34:50 +0200 (CEST) Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4FP7621xshzqTWG; Mon, 19 Apr 2021 21:32:26 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.498.0; Mon, 19 Apr 2021 21:34:39 +0800 From: "Min Hu (Connor)" To: CC: , , , , , , , , Date: Mon, 19 Apr 2021 21:34:46 +0800 Message-ID: <1618839289-33224-8-git-send-email-humin29@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1618839289-33224-1-git-send-email-humin29@huawei.com> References: <1618839289-33224-1-git-send-email-humin29@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH 07/10] examples/l3fwd: add function return value check X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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" From: HongBo Zheng Return value of a function 'rte_eth_macaddr_get' called at l3fwd_eth_dev_port_setup is not checked, but it is usually checked for this function. This patch fix this problem. Fixes: a65bf3d724df ("examples/l3fwd: add ethdev setup based on eventdev") Cc: stable@dpdk.org Signed-off-by: HongBo Zheng Signed-off-by: Min Hu (Connor) Acked-by: Stephen Hemminger --- examples/l3fwd/l3fwd_event.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/examples/l3fwd/l3fwd_event.c b/examples/l3fwd/l3fwd_event.c index 4d31593..7f704f9 100644 --- a/examples/l3fwd/l3fwd_event.c +++ b/examples/l3fwd/l3fwd_event.c @@ -105,7 +105,11 @@ l3fwd_eth_dev_port_setup(struct rte_eth_conf *port_conf) "Cannot adjust number of descriptors: err=%d, " "port=%d\n", ret, port_id); - rte_eth_macaddr_get(port_id, &ports_eth_addr[port_id]); + ret = rte_eth_macaddr_get(port_id, &ports_eth_addr[port_id]); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "Cannot get MAC address: err=%d, port=%d\n", + ret, port_id); print_ethaddr(" Address:", &ports_eth_addr[port_id]); printf(", "); print_ethaddr("Destination:",