linux-kernel - Re: [PATCH] net: mdio: Fix a double free issue in the .remove function

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Date:   Wed, 12 May 2021 23:44:15 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
        kuba@...nel.org, david.daney@...ium.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] net: mdio: Fix a double free issue in the .remove
 function

On Wed, May 12, 2021 at 11:35:38PM +0200, Christophe JAILLET wrote:
> 'bus->mii_bus' have been allocated with 'devm_mdiobus_alloc_size()' in the
> probe function. So it must not be freed explicitly or there will be a
> double free.

Hi Christophe

[PATCH] net: mdio: Fix a double free issue in the .remove function

Please indicate in the subject which mdio bus driver has a double
free.

Also, octeon_mdiobus_remove() appears to have the same problem.

      Andrew