smack_audit_data
struct smack_audit_data *smack_audit_data;
struct smack_audit_data sad;
a->a.smack_audit_data = &a->sad;
a->a.smack_audit_data->function = func;
struct smack_audit_data *sad = ad->smack_audit_data;
ad->smack_audit_data->function,
struct smack_audit_data *sad;
sad = a->smack_audit_data;