netdev - Re: [PATCH net-next 1/2] phy: marvell: Add support for temperature sensor

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Date:   Wed, 11 Jan 2017 19:29:20 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Andrew Lunn <andrew@...n.ch>, David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH net-next 1/2] phy: marvell: Add support for temperature
 sensor

Hello!

On 01/11/2017 06:09 PM, Andrew Lunn wrote:

>> +static int marvell_hwmon_probe(struct phy_device *phydev,
>> +			       const struct hwmon_chip_info *chip)
>> +{
>> +	struct marvell_priv *priv = phydev->priv;
>> +	struct device *dev = &phydev->mdio.dev;
>> +	int err;
>> +
>> +	err = marvell_hwmon_name(phydev);
>> +	if (err)
>> +		return err;
>> +
>> +	priv->hwmon_dev = devm_hwmon_device_register_with_info(
>> +		dev, priv->hwmon_name, phydev, chip, NULL);
>> +
>> +	if (IS_ERR(priv->hwmon_dev))
>> +		return PTR_ERR(priv->hwmon_dev);
>> +
>> +	return 0;
>> +}
>
> 0-day has pointed out this can be simplified to just
>
>         return PTR_ERR(priv->hwmon_dev);

    PTR_ERR_OR_ZERO() maybe?

[...]

MBR, Sergei