URNDIS_RESPONSE_LEN
buf = kmem_alloc(URNDIS_RESPONSE_LEN, KM_SLEEP);
sc->sc_ifaceno_ctl, 0, buf, URNDIS_RESPONSE_LEN);
kmem_free(buf, URNDIS_RESPONSE_LEN);
if (le32toh(hdr->rm_len) > URNDIS_RESPONSE_LEN) {
URNDIS_RESPONSE_LEN);
kmem_free(buf, URNDIS_RESPONSE_LEN);
kmem_free(hdr, URNDIS_RESPONSE_LEN);