From: Vladimir Oltean <olte...@gmail.com>
Date: Thu, 3 Oct 2019 02:34:43 +0300
> + already_enabled = (general_params->mirr_port != SJA1105_NUM_PORTS);
> + if (already_enabled && enabled && general_params->mirr_port != to) {
> + dev_err(priv->ds->dev,
> + "Delete mirroring rules towards port %d first", to);
> + return -EBUSY;
> + }
In this situation, the user is trying to add a mirror rule to port 'to'
when we already have rules pointing to "general_params->mirr_port".
So you should be printing out the value of "general_params->mirr_port"
in this message rather than 'to'.
