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

Andrew Lunn <andrew@xxxxxxx> · Wed, 12 May 2021 23:44:15 +0200

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