linux-kernel - Re: [PATCH v3 1/3] net: phy: mscc: move shared probe code into a helper

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Date:   Tue, 16 Jun 2020 11:10:27 +0200
From:   Heiko Stübner <heiko@...ech.de>
To:     David Miller <davem@...emloft.net>
Cc:     kuba@...nel.org, robh+dt@...nel.org, andrew@...n.ch,
        f.fainelli@...il.com, hkallweit1@...il.com, linux@...linux.org.uk,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        christoph.muellner@...obroma-systems.com
Subject: Re: [PATCH v3 1/3] net: phy: mscc: move shared probe code into a helper

Hi,

Am Dienstag, 16. Juni 2020, 03:12:25 CEST schrieb David Miller:
> From: David Miller <davem@...emloft.net>
> Date: Mon, 15 Jun 2020 18:11:29 -0700 (PDT)
> > +	return devm_phy_package_join(&phydev->mdio.dev, phydev,
> > +				     vsc8531->base_addr, 0);
> 
> But it is still dereferenced here.
> 
> Did the compiler really not warn you about this when you test built
> these changes?

I'm wondering that myself ... it probably did and I overlooked it, which
also is indicated by the fact that  I did add the declaration of the
vsc8531 when rebasing.

> > Because you removed this devm_kzalloc() code, vsc8531 is never initialized.
> 
> You also need to provide a proper header posting when you repost this series
> after fixing this bug.

not sure I understand what you mean with "header posting" here.

Thanks
Heiko