linux-kernel - Re: [PATCH net] net: phy: phy_device: free the phy_device on the phy_device

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Date: Fri, 23 Feb 2024 16:19:10 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
	davem@...emloft.net, Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Johan Hovold <johan@...nel.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: phy: phy_device: free the phy_device on the
 phy_device_create error path

On Fri, Feb 23, 2024 at 05:06:07PM +0100, Maxime Chevallier wrote:
> On Fri, 23 Feb 2024 17:01:54 +0100
> Maxime Chevallier <maxime.chevallier@...tlin.com> wrote:
> 
> > When error'ing out from phy_device_create(), the previously kzalloc'd "dev"
> > pointer gets overwritten with an error pointer, without freeing it
> > beforehand, thus leaking the allocated phy_device. Add the missing kfree
> > back.
> 
> Disregard , I immediatly realised that this was freed in
> phy_device_release in our case. Sorry about the noise.

Sorry your emails came in in reverse order.

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