const struct ebt_mark_m_info *info = par->matchinfo;
if (info->bitmask & ~EBT_MARK_MASK)
- return false;
+ return -EINVAL;
if ((info->bitmask & EBT_MARK_OR) && (info->bitmask & EBT_MARK_AND))
- return false;
+ return -EINVAL;
if (!info->bitmask)
- return false;
- return true;
+ return -EINVAL;
+ return 0;
}