if (!DeviceIoControl(sock->handle, sock->read_ioctl,
NULL, 0, tail, sizeof tail, &bytes, NULL)) {
VLOG_DBG_RL(&rl, "fatal driver failure in transact: %s",
if (!DeviceIoControl(sock->handle, sock->read_ioctl,
NULL, 0, tail, sizeof tail, &bytes, NULL)) {
VLOG_DBG_RL(&rl, "fatal driver failure in transact: %s",