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SubjectRe: [PATCH net-next 4/7] net: hns3: add client node validity judgment
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On 2019/9/5 18:12, Sergei Shtylyov wrote:
> On 04.09.2019 17:06, Huazhong Tan wrote:
>
>> From: Peng Li <lipeng321@huawei.com>
>>
>> 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 <lipeng321@huawei.com>
>> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
>> ---
>>   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);
>
>    Did not exist, you mean?
>

yes

> [...]
>
> MBR, Sergei
>
> .
>

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