rx_len = ntohs(oh->length);
if (rx_len < sizeof(struct ofp_header)) {
VLOG_ERR_RL(&rl, "received too-short ofp_header (%d bytes)", rx_len);
return EPROTO;
rx_len = ntohs(oh->length);
if (rx_len < sizeof(struct ofp_header)) {
VLOG_ERR_RL(&rl, "received too-short ofp_header (%d bytes)", rx_len);
return EPROTO;