Re: [PATCH] ixgbe: fix MDIO bus leak when rejecting SFP module

From: Richard Patel

Date: Wed Aug 26 2026 - 14:33:47 EST


On Wed, Aug 26, 2026 at 02:23:25PM +0200, Andrew Lunn wrote:
> On Wed, Aug 26, 2026 at 04:29:45AM +0000, Richard Patel wrote:
> > This code path failed to unregister an MDIO bus owned by that
> > netdev, so when unregister_netdev() tries to tear it down
> > (via device_del() -> devres_release_all() -> mdiobus_free()),
> > it trips over the leaked registration.
>
> Maybe look at using devm_mdiobus_register()?

oh nice. Will submit a V2 tomorrow with that instead, thanks.

Richard