From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 426E2C433F4 for ; Thu, 20 Sep 2018 12:49:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED9E221529 for ; Thu, 20 Sep 2018 12:49:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ED9E221529 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388353AbeITScU (ORCPT ); Thu, 20 Sep 2018 14:32:20 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:12660 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2387764AbeITScT (ORCPT ); Thu, 20 Sep 2018 14:32:19 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id C52AE7C16A8C3; Thu, 20 Sep 2018 20:48:51 +0800 (CST) Received: from localhost (10.177.31.96) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.399.0; Thu, 20 Sep 2018 20:48:45 +0800 From: YueHaibing To: , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , , , , , YueHaibing Subject: [PATCH net-next 17/22] hv_netvsc: fix return type of ndo_start_xmit function Date: Thu, 20 Sep 2018 20:33:01 +0800 Message-ID: <20180920123306.14772-18-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 In-Reply-To: <20180920123306.14772-1-yuehaibing@huawei.com> References: <20180920123306.14772-1-yuehaibing@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.177.31.96] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The method ndo_start_xmit() is defined as returning an 'netdev_tx_t', which is a typedef for an enum type, so make sure the implementation in this driver has returns 'netdev_tx_t' value, and change the function return type to netdev_tx_t. Found by coccinelle. Signed-off-by: YueHaibing --- drivers/net/hyperv/netvsc_drv.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 3af6d8d..056c472 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -511,7 +511,8 @@ static int netvsc_vf_xmit(struct net_device *net, struct net_device *vf_netdev, return rc; } -static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) +static netdev_tx_t +netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) { struct net_device_context *net_device_ctx = netdev_priv(net); struct hv_netvsc_packet *packet = NULL; @@ -528,8 +529,11 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) */ vf_netdev = rcu_dereference_bh(net_device_ctx->vf_netdev); if (vf_netdev && netif_running(vf_netdev) && - !netpoll_tx_running(net)) - return netvsc_vf_xmit(net, vf_netdev, skb); + !netpoll_tx_running(net)) { + ret = netvsc_vf_xmit(net, vf_netdev, skb); + if (ret) + return NETDEV_TX_BUSY; + } /* We will atmost need two pages to describe the rndis * header. We can only transmit MAX_PAGE_BUFFER_COUNT number -- 1.8.3.1