make_openflow(sizeof(struct ofp_header), OFPT_ECHO_REQUEST, &request);
open_vconn(argv[1], &vconn);
run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
- if (reply->size != request->size) {
+ if (reply->size != sizeof(struct ofp_header)) {
ofp_fatal(0, "reply does not match request");
}
ofpbuf_delete(reply);