l2addr_hash_add
iter_vaddr = l2addr_hash_add(vport_hash, mac,
esw_mc = l2addr_hash_add(hash, mac, struct esw_mc_addr, GFP_KERNEL);
addr = l2addr_hash_add(hash, mac_list[i], struct vport_addr,
addr = l2addr_hash_add(hash, mac, struct vport_addr,
l2addr = l2addr_hash_add(mpfs->hash, mac, struct l2table_node, GFP_KERNEL);