auth_domain_find
dom = auth_domain_find(buf);
dom = auth_domain_find(buf);
dom = auth_domain_find(nla_data(tb[NFSD_A_EXPKEY_CLIENT]));
dom = auth_domain_find(nla_data(tb[NFSD_A_SVC_EXPORT_CLIENT]));
extern struct auth_domain *auth_domain_find(char *name);
return auth_domain_find(name);
EXPORT_SYMBOL_GPL(auth_domain_find);
rv = auth_domain_find(name);