Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1665380

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

From Andrew Lunn <andrew@lunn.ch>
Newsgroups linux.kernel
Subject Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC
Date 2017-06-14 05:00 +0200
Message-ID <tS6Hg-7QQ-19@gated-at.bofh.it> (permalink)
References <tS3gl-5Od-5@gated-at.bofh.it> <tS3gm-5Od-29@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


> +	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

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC Salil Mehta <salil.mehta@huawei.com> - 2017-06-14 01:20 +0200
  Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Florian Fainelli <f.fainelli@gmail.com> - 2017-06-14 01:50 +0200
    RE: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Salil Mehta <salil.mehta@huawei.com> - 2017-06-17 12:50 +0200
  Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Andrew Lunn <andrew@lunn.ch> - 2017-06-14 04:50 +0200
    RE: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Salil Mehta <salil.mehta@huawei.com> - 2017-06-17 14:00 +0200
  Re: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Andrew Lunn <andrew@lunn.ch> - 2017-06-14 05:00 +0200
    RE: [PATCH V2 net-next 6/8] net: hns3: Add MDIO support to HNS3  Ethernet driver for hip08 SoC Salil Mehta <salil.mehta@huawei.com> - 2017-06-17 14:00 +0200

csiph-web