linux-kernel - Re: [PATCH] net: phy: Fix potential null pointer access

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Message-ID: <ZVssJrplePACN3of@shell.armlinux.org.uk>
Date:   Mon, 20 Nov 2023 09:51:34 +0000
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Lukas Funke <lukas.funke-oss@...dmueller.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Lukas Funke <lukas.funke@...dmueller.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: phy: Fix potential null pointer access

On Mon, Nov 20, 2023 at 10:32:54AM +0100, Lukas Funke wrote:
> From: Lukas Funke <lukas.funke@...dmueller.com>
> 
> When there is no driver associated with the phydev, there will be a
> nullptr access. The commit checks if the phydev driver is set before
> access.

What's the call path that we encounter a NULL drv pointer?

Thanks.

-- 
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