From: Stephen Hemminger <stephen@networkplumber.org>
To: YueHaibing <yuehaibing@huawei.com>
Cc: <davem@davemloft.net>, <dmitry.tarnyagin@lockless.no>,
<wg@grandegger.com>, <mkl@pengutronix.de>,
<michal.simek@xilinx.com>, <hsweeten@visionengravers.com>,
<madalin.bucur@nxp.com>, <pantelis.antoniou@gmail.com>,
<claudiu.manoil@nxp.com>, <leoyang.li@nxp.com>,
<linux@armlinux.org.uk>, <sammy@sammy.net>, <ralf@linux-mips.org>,
<nico@fluxnic.net>, <steve.glendinning@shawell.net>,
<f.fainelli@gmail.com>, <grygorii.strashko@ti.com>,
<w-kwok2@ti.com>, <m-karicheri2@ti.com>,
<t.sailer@alumni.ethz.ch>, <jreuter@yaina.de>,
<kys@microsoft.com>, <haiyangz@microsoft.com>,
<wei.liu2@citrix.com>, <paul.durrant@citrix.com>,
<arvid.brodin@alten.se>, <pshelar@ovn.org>,
dev@openvswitch.org, linux-mips@linux-mips.org,
xen-devel@lists.xenproject.org, netdev@vger.kernel.org,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-can@vger.kernel.org, devel@linuxdriverproject.org,
linux-hams@vger.kernel.org, linux-omap@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH net-next 17/22] hv_netvsc: fix return type of ndo_start_xmit function
Date: Thu, 20 Sep 2018 07:43:41 -0700 [thread overview]
Message-ID: <20180920074341.3acef75c@xeon-e3> (raw)
In-Reply-To: <20180920123306.14772-18-yuehaibing@huawei.com>
On Thu, 20 Sep 2018 20:33:01 +0800
YueHaibing <yuehaibing@huawei.com> wrote:
> 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 <yuehaibing@huawei.com>
> ---
> 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;
> + }
Sorry, the new code is wrong. It will fall through if ret == 0 (NETDEV_TX_OK)
Please review and test your patches.
next prev parent reply other threads:[~2018-09-20 14:43 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-20 12:32 [PATCH net-next 00/22] net: fix return type of ndo_start_xmit function YueHaibing
2018-09-20 12:32 ` [PATCH net-next 01/22] net: micrel: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 02/22] net: freescale: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 03/22] net: seeq: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 04/22] net: cirrus: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 05/22] net: sgi: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 06/22] net: wiznet: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 07/22] net: i825xx: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 08/22] net: apple: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 09/22] net: smsc: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 10/22] net: ti: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 11/22] net: faraday: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 12/22] net: ovs: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 13/22] net: xen-netback: " YueHaibing
2018-09-20 14:05 ` Wei Liu
2018-09-20 12:32 ` [PATCH net-next 14/22] net: caif: " YueHaibing
2018-09-20 12:32 ` [PATCH net-next 15/22] net: hamradio: " YueHaibing
2018-09-20 12:33 ` [PATCH net-next 16/22] usbnet: ipheth: " YueHaibing
2018-09-20 12:33 ` [PATCH net-next 17/22] hv_netvsc: " YueHaibing
2018-09-20 14:40 ` Haiyang Zhang
2018-09-20 14:43 ` Stephen Hemminger [this message]
2018-09-21 1:37 ` YueHaibing
2018-09-20 12:33 ` [PATCH net-next 18/22] can: xilinx: " YueHaibing
2018-09-20 12:33 ` [PATCH net-next 19/22] net: plip: " YueHaibing
2018-09-20 12:33 ` [PATCH net-next 20/22] rionet: " YueHaibing
2018-09-20 12:33 ` [PATCH net-next 21/22] l2tp: " YueHaibing
2018-09-20 12:33 ` [PATCH net-next 22/22] net: hsr: " YueHaibing
2018-09-20 15:50 ` [PATCH net-next 00/22] net: " David Miller
2018-09-21 1:33 ` YueHaibing
2018-09-20 17:04 ` Grygorii Strashko
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