From patchwork Wed Sep 26 09:09:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 10615417 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D1E033E9D for ; Wed, 26 Sep 2018 09:10:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C9DF22A16D for ; Wed, 26 Sep 2018 09:10:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BE21C2A234; Wed, 26 Sep 2018 09:10:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4BFF72A16D for ; Wed, 26 Sep 2018 09:10:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727326AbeIZPWJ (ORCPT ); Wed, 26 Sep 2018 11:22:09 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:38779 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726404AbeIZPWJ (ORCPT ); Wed, 26 Sep 2018 11:22:09 -0400 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id BEC3B1B6C6AD0; Wed, 26 Sep 2018 17:10:07 +0800 (CST) Received: from localhost (10.177.31.96) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.399.0; Wed, 26 Sep 2018 17:10:01 +0800 From: YueHaibing To: , , , , , , , , CC: , , , YueHaibing Subject: [PATCH net-next] net: ti: fix return type of ndo_start_xmit function Date: Wed, 26 Sep 2018 17:09:51 +0800 Message-ID: <20180926090951.25544-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.177.31.96] X-CFilter-Loop: Reflected Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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/ethernet/ti/cpmac.c | 2 +- drivers/net/ethernet/ti/davinci_emac.c | 2 +- drivers/net/ethernet/ti/netcp_core.c | 8 ++++---- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c index 9b8a30b..64c45eb 100644 --- a/drivers/net/ethernet/ti/cpmac.c +++ b/drivers/net/ethernet/ti/cpmac.c @@ -544,7 +544,7 @@ static int cpmac_poll(struct napi_struct *napi, int budget) } -static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) +static netdev_tx_t cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) { int queue; unsigned int len; diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index f270bee..b83f32d 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -943,7 +943,7 @@ static void emac_tx_handler(void *token, int len, int status) * * Returns success(NETDEV_TX_OK) or error code (typically out of desc's) */ -static int emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev) +static netdev_tx_t emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev) { struct device *emac_dev = &ndev->dev; int ret_code; diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 1f61226..2d8cfe8 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -1270,7 +1270,8 @@ static int netcp_tx_submit_skb(struct netcp_intf *netcp, } /* Submit the packet */ -static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev) +static netdev_tx_t +netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev) { struct netcp_intf *netcp = netdev_priv(ndev); struct netcp_stats *tx_stats = &netcp->stats; @@ -1290,7 +1291,7 @@ static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev) dev_warn(netcp->ndev_dev, "padding failed (%d), packet dropped\n", ret); tx_stats->tx_dropped++; - return ret; + return NETDEV_TX_BUSY; } skb->len = NETCP_MIN_PACKET_SIZE; } @@ -1298,7 +1299,6 @@ static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev) desc = netcp_tx_map_skb(skb, netcp); if (unlikely(!desc)) { netif_stop_subqueue(ndev, subqueue); - ret = -ENOBUFS; goto drop; } @@ -1319,7 +1319,7 @@ static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev) if (desc) netcp_free_tx_desc_chain(netcp, desc, sizeof(*desc)); dev_kfree_skb(skb); - return ret; + return NETDEV_TX_BUSY; } int netcp_txpipe_close(struct netcp_tx_pipe *tx_pipe)