| Message ID | 20240417094801.25393-2-lihuisong@huawei.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | [v2,1/2] soc: hisilicon: kunpeng_hccs: Add the check for obtaining complete port attribute | expand |
diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c index 9ff70b38e5e9..e882a61636ec 100644 --- a/drivers/soc/hisilicon/kunpeng_hccs.c +++ b/drivers/soc/hisilicon/kunpeng_hccs.c @@ -556,6 +556,12 @@ static int hccs_get_all_port_attr(struct hccs_dev *hdev, start_id = rsp_head.next_id; } + if (left_buf_len != 0) { + dev_err(hdev->dev, "failed to get the expected port number(%u) attribute.\n", + size); + return -EINVAL; + } + return 0; }
The hccs_get_all_port_attr() is used to obtained the attribute of all ports on a specified DIE from firmware. However, this interface doesn't ensure whether firmware reports the complete attribute of all ports or not. So this patch adds the check for this. Signed-off-by: Huisong Li <lihuisong@huawei.com> --- drivers/soc/hisilicon/kunpeng_hccs.c | 6 ++++++ 1 file changed, 6 insertions(+)