Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC

[Andrew Lunn]

> +     if (le16_to_cpu(HCLGE_MDIO_STA_VAL(mdio_cmd->sta))) {
> +             dev_err(&hdev->pdev->dev, "mdio read data error\n");
> +             return -ENOMEM;
> +     }

If it is not zero, it is an error. !0 is always !0, big or little
endian, so there is no point doing the le16_to_cpu().

Where is the memory allocation which failed?

      Andrew