net: hns3: stop sending keep alive msg to PF when VF is resetting

When VF is resetting, it can't communicate to PF with mailbox msg.
This patch adds reset state checking before sending keep alive msg
to PF.

Fixes: a6d818e31d08 ("net: hns3: Add vport alive state checking support")
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Peng Li <[email protected]>
Signed-off-by: Huazhong Tan <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 95f926971e3b0733f4d9b4cc942d8b1a66d71756..b9cdbd5dd6cb50d8f3f1391b0a6b3910ac124032 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -1624,6 +1624,10 @@ static void hclgevf_keep_alive_task(struct work_struct *work)
        int ret;
 
        hdev = container_of(work, struct hclgevf_dev, keep_alive_task);
+
+       if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state))
+               return;
+
        ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_KEEP_ALIVE, 0, NULL,
                                   0, false, &respmsg, sizeof(u8));
        if (ret)