#ifdef LDAP_CONNECTIONLESS
        if( conn->c_is_udp ) {
                if( tag == LBER_OCTETSTRING ) {
-                       ber_get_stringa( ber, &cdn );
-                       tag = ber_peek_tag(ber, &len);
+                       if ( (tag = ber_get_stringa( ber, &cdn )) != LBER_ERROR )
+                               tag = ber_peek_tag( ber, &len );
                }
                if( tag != LDAP_REQ_ABANDON && tag != LDAP_REQ_SEARCH ) {
                        Debug( LDAP_DEBUG_ANY, "invalid req for UDP 0x%lx\n", tag, 0, 0 );
 
        {
                unsigned usage;
 
-               rc = ber_scanf( ber, "m", &value );
-               if ( rc == LBER_ERROR ) {
+               if ( ber_scanf( ber, "m", &value ) == LBER_ERROR ) {
                        rc = SLAPD_DISCONNECT;
                        goto return_error;
                }