Re: [PATCH] net: hns3: reduce stack usage in hclge_dbg_dump_tm_pri()

[Arnd Bergmann]

On Mon, Dec 4, 2023, at 09:31, Jijie Shao wrote:
> on 2023/12/4 15:29, Arnd Bergmann wrote:
>> From: Arnd Bergmann <arnd@xxxxxxxx>
>>
>>
>> @@ -981,7 +981,7 @@ static const struct hclge_dbg_item tm_pri_items[] = {
>>   
>>   static int hclge_dbg_dump_tm_pri(struct hclge_dev *hdev, char *buf, int len)
>>   {
>> -	char data_str[ARRAY_SIZE(tm_pri_items)][HCLGE_DBG_DATA_STR_LEN];
>> +	char *data_str;
>>   	struct hclge_tm_shaper_para c_shaper_para, p_shaper_para;
>>   	char *result[ARRAY_SIZE(tm_pri_items)], *sch_mode_str;
>>   	char content[HCLGE_DBG_TM_INFO_LEN];
>> @@ -991,9 +991,13 @@ static int hclge_dbg_dump_tm_pri(struct hclge_dev *hdev, char *buf, int len)
>>   	ret = hclge_tm_get_pri_num(hdev, &pri_num);
>>   	if (ret)
>>   		return ret;
>
> Thanks,
>   But it would be better if there is an empty line here.

ok

>
> all exception condition also need to free memory before return. eg:


Indeed, I'll send a v2 in a bit.

     Arnd