From: Peng Li <[email protected]> HNS3 driver can only unregister client which included in hnae3_client_list. This patch adds the client node validity judgment.
Signed-off-by: Peng Li <[email protected]> Signed-off-by: Huazhong Tan <[email protected]> --- drivers/net/ethernet/hisilicon/hns3/hnae3.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.c b/drivers/net/ethernet/hisilicon/hns3/hnae3.c index 528f624..6aa5257 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.c +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.c @@ -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 not existed!\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); -- 2.7.4
