From: Huazhong Tan Date: Tue, 28 May 2019 09:02:54 +0000 (+0800) Subject: net: hns3: use HCLGE_STATE_NIC_REGISTERED to indicate PF NIC client has registered X-Git-Tag: v5.3-rc1~140^2~412^2~8 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=bd9109c9b1f3c34529fe43a4ede46e72d237361b;p=linux.git net: hns3: use HCLGE_STATE_NIC_REGISTERED to indicate PF NIC client has registered When PF NIC client's init_instance() succeeds, it means this client has been registered successfully, so we use HCLGE_STATE_NIC_REGISTERED to indicate that. And before calling PF NIC client's uninit_instance(), we clear this state. So any operation of PF NIC client from HCLGE is not allowed if this state is not set. Signed-off-by: Huazhong Tan Signed-off-by: Peng Li Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index fb0dc185fb4a..87c5cb0f4c8c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -2873,6 +2873,10 @@ int hclge_notify_client(struct hclge_dev *hdev, struct hnae3_client *client = hdev->nic_client; u16 i; + if (!test_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state) || + !client) + return 0; + if (!client->ops->reset_notify) return -EOPNOTSUPP; @@ -8184,6 +8188,7 @@ static int hclge_init_client_instance(struct hnae3_client *client, goto clear_nic; hnae3_set_client_init_flag(client, ae_dev, 1); + set_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state); if (netif_msg_drv(&hdev->vport->nic)) hclge_info_show(hdev); @@ -8270,6 +8275,7 @@ static void hclge_uninit_client_instance(struct hnae3_client *client, if (client->type == HNAE3_CLIENT_ROCE) return; if (hdev->nic_client && client->ops->uninit_instance) { + clear_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state); client->ops->uninit_instance(&vport->nic, 0); hdev->nic_client = NULL; vport->nic.client = NULL; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index c770390c6e57..43901ffeaf4e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -201,6 +201,7 @@ enum HCLGE_DEV_STATE { HCLGE_STATE_DOWN, HCLGE_STATE_DISABLED, HCLGE_STATE_REMOVING, + HCLGE_STATE_NIC_REGISTERED, HCLGE_STATE_SERVICE_INITED, HCLGE_STATE_SERVICE_SCHED, HCLGE_STATE_RST_SERVICE_SCHED,