From: Florian Fainelli <[email protected]>
Date: Mon, 24 Jul 2017 10:49:23 -0700
> The mt7530 driver has its dsa_switch_ops::get_tag_protocol function
> check ds->cpu_port_mask to issue a warning in case the configured CPU
> port is not capable of supporting tags.
>
> After commit 14be36c2c96c ("net: dsa: Initialize all CPU and enabled
> ports masks in dsa_ds_parse()") we slightly re-arranged the
> initialization such that this was no longer working. Just make sure that
> ds->cpu_port_mask is set prior to the first call to get_tag_protocol,
> thus restoring the expected contract. In case of error, the CPU port bit
> is cleared.
>
> Fixes: 14be36c2c96c ("net: dsa: Initialize all CPU and enabled ports masks in
> dsa_ds_parse()")
> Reported-by: Sean Wang <[email protected]>
> Signed-off-by: Florian Fainelli <[email protected]>
Applied, thanks Florian.
