__nla_validate_parse
ret = __nla_validate_parse(nla_data(entry), nla_len(entry),
err = __nla_validate_parse(nla_data(nla), nla_len(nla),
static int __nla_validate_parse(const struct nlattr *head, int len, int maxtype,
return __nla_validate_parse(head, len, maxtype, policy, validate,
return __nla_validate_parse(head, len, maxtype, policy, validate,