if (check_fwstate(&adapter->mlmepriv, _FW_UNDER_SURVEY) == false) {
                tmp_s = avg_signal_strength +
                        (_alpha - 1) * recvpriv->signal_strength;
-               if (tmp_s % _alpha)
-                       tmp_s = tmp_s / _alpha + 1;
-               else
-                       tmp_s = tmp_s / _alpha;
+               tmp_s = DIV_ROUND_UP(tmp_s, _alpha);
                if (tmp_s > 100)
                        tmp_s = 100;
 
                tmp_q = avg_signal_qual +
                        (_alpha - 1) * recvpriv->signal_qual;
-               if (tmp_q % _alpha)
-                       tmp_q = tmp_q / _alpha + 1;
-               else
-                       tmp_q = tmp_q / _alpha;
+               tmp_q = DIV_ROUND_UP(tmp_q, _alpha);
                if (tmp_q > 100)
                        tmp_q = 100;