netdev - RE: [Intel-wired-lan] [PATCH net] ixgbe: fix mdio bus registration

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Date:   Thu, 21 Mar 2019 22:32:47 +0000
From:   "Bowers, AndrewX" <andrewx.bowers@...el.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     open list <linux-kernel@...r.kernel.org>,
        "moderated list:INTEL ETHERNET DRIVERS" 
        <intel-wired-lan@...ts.osuosl.org>
Subject: RE: [Intel-wired-lan] [PATCH net] ixgbe: fix mdio bus registration

> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces@...osl.org] On
> Behalf Of Ivan Vecera
> Sent: Friday, March 15, 2019 1:45 AM
> To: netdev@...r.kernel.org
> Cc: open list <linux-kernel@...r.kernel.org>; moderated list:INTEL
> ETHERNET DRIVERS <intel-wired-lan@...ts.osuosl.org>; David S. Miller
> <davem@...emloft.net>
> Subject: [Intel-wired-lan] [PATCH net] ixgbe: fix mdio bus registration
> 
> The ixgbe ignores errors returned from mdiobus_register() and leaves
> adapter->mii_bus non-NULL and MDIO bus state as MDIOBUS_ALLOCATED.
> This triggers a BUG from mdiobus_unregister() during ixgbe_remove() call.
> 
> Fixes: 8fa10ef01260 ("ixgbe: register a mdiobus")
> Signed-off-by: Ivan Vecera <ivecera@...hat.com>
> ---
>  drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c | 16 +++++++++-------
>  1 file changed, 9 insertions(+), 7 deletions(-)

Tested-by: Andrew Bowers <andrewx.bowers@...el.com>