Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC
From: Andrew Lunn
Date: Tue Jun 13 2017 - 22:56:08 EST
> + 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