linux-kernel - Re: [PATCH v2 net] net: phy: micrel: Fix warn: passing zero to PTR

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Message-ID: <Ytlfvqns1Qp4/UWA@hoboy.vegasvil.org>
Date:   Thu, 21 Jul 2022 07:16:30 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     Divya.Koppera@...rochip.com
Cc:     andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, UNGLinuxDriver@...rochip.com,
        Madhuri.Sripada@...rochip.com
Subject: Re: [PATCH v2 net] net: phy: micrel: Fix warn: passing zero to
 PTR_ERR

On Wed, Jul 20, 2022 at 04:32:55AM +0000, Divya.Koppera@...rochip.com wrote:

> static int lan8814_ptp_probe_once(struct phy_device *phydev)
> {
>         struct lan8814_shared_priv *shared = phydev->shared->priv;
> 
>         if (!IS_ENABLED(CONFIG_PTP_1588_CLOCK) ||
>             !IS_ENABLED(CONFIG_NETWORK_PHY_TIMESTAMPING))
>                 return 0;

It is weird to use macros here, but not before calling ptp_clock_register.
Make it consistent by checking shared->ptp_clock instead.
That is also better form.

Thanks,
Richard