ber_len_t cnt = sizeof(struct berval);
ber_len_t off = 0;
- if ( ber_scanf( ber, "{m{M}}", &derefAttr, &attributes, &cnt, off ) == LBER_ERROR )
+ if ( ber_scanf( ber, "{m{M}}", &derefAttr, &attributes, &cnt, off ) == LBER_ERROR
+ || !cnt )
{
rs->sr_text = "Dereference control: derefSpec decoding error";
rs->sr_err = LDAP_PROTOCOL_ERROR;