From c59a85c07e77a7669e5b4d2ffa878b6894ec3953 Mon Sep 17 00:00:00 2001
From: Jian Shen <shenjian15@huawei.com>
Date: Thu, 31 Jan 2019 04:55:51 +0800
Subject: [PATCH] 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 <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 95f926971e3b0..b9cdbd5dd6cb5 100644
--- 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)
--
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