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Date: Fri, 30 Apr 2021 17:06:20 +0800 From: Huazhong Tan <tanhuazhong@...wei.com> To: <davem@...emloft.net>, <kuba@...nel.org> CC: <netdev@...r.kernel.org>, <salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>, <huangdaode@...wei.com>, <linuxarm@...neuler.org>, <linuxarm@...wei.com>, Peng Li <lipeng321@...wei.com>, Huazhong Tan <tanhuazhong@...wei.com> Subject: [PATCH net-next 2/4] net: hns3: use netif_tx_disable to stop the transmit queue From: Peng Li <lipeng321@...wei.com> Currently, netif_tx_stop_all_queues() is used to ensure that the xmit is not running, but for the concurrent case it will not take effect, since netif_tx_stop_all_queues() just sets a flag without locking to indicate that the xmit queue(s) should not be run. So use netif_tx_disable() to replace netif_tx_stop_all_queues(), it takes the xmit queue lock while marking the queue stopped. Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Signed-off-by: Peng Li <lipeng321@...wei.com> Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com> --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index a2b9a8a..783fdaf 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -575,8 +575,8 @@ static int hns3_nic_net_stop(struct net_device *netdev) if (h->ae_algo->ops->set_timer_task) h->ae_algo->ops->set_timer_task(priv->ae_handle, false); - netif_tx_stop_all_queues(netdev); netif_carrier_off(netdev); + netif_tx_disable(netdev); hns3_nic_net_down(netdev); -- 2.7.4
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