Antonio Quartulli wrote: > + memcpy(roam_adv_packet->src, > + bat_priv->primary_if->net_dev->dev_addr, ETH_ALEN); Again, Nack. This is _definitely_ not allowed. Please use the primary_if != NULL that you got through primary_if_get_selected instead of dereferencing bat_priv->primary_if directly. Kind regards, Sven