if (priv->rtllib->state != RTLLIB_LINKED)
                return ret;
 
-       if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
+       if (priv->rtllib->iw_mode != IW_MODE_INFRA)
                return ret;
 
        if (network->flags & NETWORK_HAS_QOS_MASK) {
        if (priv->rtllib->state != RTLLIB_LINKED)
                return 0;
 
-       if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
+       if (priv->rtllib->iw_mode != IW_MODE_INFRA)
                return 0;
 
        spin_lock_irqsave(&priv->rtllib->lock, flags);
 
                                        write_nic_byte(dev, FW_Busy_Flag, 0);
                                        return;
                                }
-                               if ((priv->rtllib->eRFPowerState != eRfOn)) {
+                               if (priv->rtllib->eRFPowerState != eRfOn) {
                                        RT_TRACE(COMP_POWER_TRACKING,
                                                 "we are in power save, so return\n");
                                        write_nic_byte(dev, Pw_Track_Flag, 0);
        if ((priv->undecorated_smoothed_pwdb > dm_digtable.rssi_low_thresh) &&
                (priv->undecorated_smoothed_pwdb < dm_digtable.rssi_high_thresh))
                return;
-       if ((priv->undecorated_smoothed_pwdb <= dm_digtable.rssi_low_thresh)) {
+       if (priv->undecorated_smoothed_pwdb <= dm_digtable.rssi_low_thresh) {
                if (dm_digtable.dig_state == DM_STA_DIG_OFF &&
                        (priv->reset_count == reset_cnt))
                        return;
                return;
        }
 
-       if ((priv->undecorated_smoothed_pwdb >= dm_digtable.rssi_high_thresh)) {
+       if (priv->undecorated_smoothed_pwdb >= dm_digtable.rssi_high_thresh) {
                u8 reset_flag = 0;
 
                if (dm_digtable.dig_state == DM_STA_DIG_ON &&
                if (dm_digtable.CurSTAConnectState == DIG_STA_CONNECT) {
                        if (dm_digtable.rssi_val >= dm_digtable.rssi_high_power_highthresh)
                                dm_digtable.curpd_thstate = DIG_PD_AT_HIGH_POWER;
-                       else if ((dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh))
+                       else if (dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh)
                                dm_digtable.curpd_thstate = DIG_PD_AT_LOW_POWER;
                        else if ((dm_digtable.rssi_val >= dm_digtable.rssi_high_thresh) &&
                                        (dm_digtable.rssi_val < dm_digtable.rssi_high_power_lowthresh))
 
        if (dm_digtable.PreSTAConnectState == dm_digtable.CurSTAConnectState) {
                if (dm_digtable.CurSTAConnectState == DIG_STA_CONNECT) {
-                       if ((dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh))
+                       if (dm_digtable.rssi_val <= dm_digtable.rssi_low_thresh)
                                dm_digtable.curcs_ratio_state = DIG_CS_RATIO_LOWER;
-                       else if ((dm_digtable.rssi_val >= dm_digtable.rssi_high_thresh))
+                       else if (dm_digtable.rssi_val >= dm_digtable.rssi_high_thresh)
                                dm_digtable.curcs_ratio_state = DIG_CS_RATIO_HIGHER;
                        else
                                dm_digtable.curcs_ratio_state = dm_digtable.precs_ratio_state;