net: hns3: clear inited state and stop client after failed to register netdev
authorJian Shen <shenjian15@huawei.com>
Sun, 24 Apr 2022 12:57:20 +0000 (20:57 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 9 May 2022 07:14:36 +0000 (09:14 +0200)
[ Upstream commit e98365afc1e94ea1609268866a44112b3572c58b ]

If failed to register netdev, it needs to clear INITED state and stop
client in case of cause problem when concurrency with uninitialized
process of driver.

Fixes: a289a7e5c1d4 ("net: hns3: put off calling register_netdev() until client initialize complete")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

index 16cbd14..818a028 100644 (file)
@@ -5092,6 +5092,13 @@ static void hns3_state_init(struct hnae3_handle *handle)
                set_bit(HNS3_NIC_STATE_RXD_ADV_LAYOUT_ENABLE, &priv->state);
 }
 
+static void hns3_state_uninit(struct hnae3_handle *handle)
+{
+       struct hns3_nic_priv *priv  = handle->priv;
+
+       clear_bit(HNS3_NIC_STATE_INITED, &priv->state);
+}
+
 static int hns3_client_init(struct hnae3_handle *handle)
 {
        struct pci_dev *pdev = handle->pdev;
@@ -5209,7 +5216,9 @@ static int hns3_client_init(struct hnae3_handle *handle)
        return ret;
 
 out_reg_netdev_fail:
+       hns3_state_uninit(handle);
        hns3_dbg_uninit(handle);
+       hns3_client_stop(handle);
 out_client_start:
        hns3_free_rx_cpu_rmap(netdev);
        hns3_nic_uninit_irq(priv);