MMP_MAGIC
ubp->ub_mmp_magic == MMP_MAGIC)
ub->ub_mmp_magic = MMP_MAGIC;
if (ub->ub_mmp_magic == MMP_MAGIC && ub->ub_mmp_delay == 0)
if (ub->ub_mmp_magic == MMP_MAGIC && ub->ub_mmp_delay &&
ubp->ub_mmp_magic == MMP_MAGIC)
ub->ub_mmp_magic = MMP_MAGIC;