(pipe->queue_size_bytes &&
ip->ip_len + pipe->r_len_bytes > pipe->queue_size_bytes) ||
(pkt = (struct dn_pkt *) _MALLOC(sizeof (*pkt),
(pipe->queue_size_bytes &&
ip->ip_len + pipe->r_len_bytes > pipe->queue_size_bytes) ||
(pkt = (struct dn_pkt *) _MALLOC(sizeof (*pkt),