metadata_dst_free
metadata_dst_free(port->dsa_meta[i]);
metadata_dst_free(repr->dst);
metadata_dst_free(eth->dsa_meta[i]);
metadata_dst_free(rx_sc->md_dst);
void metadata_dst_free(struct metadata_dst *);
metadata_dst_free(new_md);
metadata_dst_free((struct metadata_dst *)dst);
EXPORT_SYMBOL_GPL(metadata_dst_free);
metadata_dst_free(md);
metadata_dst_free(priv->md);