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Commit b7cf22b7 authored by Peng Li's avatar Peng Li Committed by David S. Miller
Browse files

net: hns3: add client node validity judgment 



HNS3 driver can only unregister client which included in hnae3_client_list.
This patch adds the client node validity judgment.

Signed-off-by: default avatarPeng Li <lipeng321@huawei.com>
Signed-off-by: default avatarHuazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 525a294e

drivers/net/ethernet/hisilicon/hns3/hnae3.c

+16 −0
Original line number Diff line number Diff line
@@ -138,12 +138,28 @@ EXPORT_SYMBOL(hnae3_register_client); 


void hnae3_unregister_client(struct hnae3_client *client)

{

	struct hnae3_client *client_tmp;

	struct hnae3_ae_dev *ae_dev;

	bool existed = false;



	if (!client)

		return;



	mutex_lock(&hnae3_common_lock);



	list_for_each_entry(client_tmp, &hnae3_client_list, node) {

		if (client_tmp->type == client->type) {

			existed = true;

			break;

		}

	}



	if (!existed) {

		mutex_unlock(&hnae3_common_lock);

		pr_err("client %s does not exist!\n", client->name);

		return;

	}



	/* un-initialize the client on every matched port */

	list_for_each_entry(ae_dev, &hnae3_ae_dev_list, node) {

		hnae3_uninit_client_instance(client, ae_dev);