if (++p->cookie >= COOKIE_MAX) {
p->cookie = 0;
}
- p->buffer = ofpbuf_new(sizeof(struct ofp_packet_in) + buffer->size);
- ofpbuf_reserve(p->buffer, sizeof(struct ofp_packet_in));
+ p->buffer = ofpbuf_new_with_headroom(buffer->size,
+ sizeof(struct ofp_packet_in));
ofpbuf_put(p->buffer, buffer->data, buffer->size);
p->timeout = time_msec() + OVERWRITE_MSECS;
p->in_port = in_port;