From: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
Date: Fri, 20 Oct 2017 01:32:08 +0200
> Commit 9cab88726929605 ("net: ethtool: Add back transceiver type")
> restores the transceiver type to struct ethtool_link_settings and
> convert_link_ksettings_to_legacy_settings() but forgets to remove the
> error check for the same in convert_legacy_settings_to_link_ksettings().
> This prevents older versions of ethtool to change link settings.
>
> # ethtool --version
> ethtool version 3.16
>
> # ethtool -s eth0 autoneg on speed 100 duplex full
> Cannot set new settings: Invalid argument
> not setting speed
> not setting duplex
> not setting autoneg
>
> While newer versions of ethtool works.
>
> # ethtool --version
> ethtool version 4.10
>
> # ethtool -s eth0 autoneg on speed 100 duplex full
> [ 57.703268] sh-eth ee700000.ethernet eth0: Link is Down
> [ 59.618227] sh-eth ee700000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
>
> Fixes: 19cab88726929605 ("net: ethtool: Add back transceiver type")
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
Applied.
