From: Jian Shen shenjian15@huawei.com
mainline inclusion from mainline-v5.18-rc5 commit e98365afc1e9 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I56XHY CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
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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: Jiantao Xiao xiaojiantao1@h-partners.com Reviewed-by: Yue Haibing yuehaibing@huawei.com Reviewed-by: Jian Shen shenjian15@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index b35f100e273a..2174b5756b07 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -5202,6 +5202,13 @@ 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; @@ -5319,7 +5326,9 @@ 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);