if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) /* sta mode */
                {
                        psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
-                       if (psta == NULL) {
-                       }
-                       else
-                       {
+                       if (psta != NULL) {
                                /* Jeff: don't disable ieee8021x_blocked while clearing key */
                                if (strcmp(param->u.crypt.alg, "none") != 0)
                                        psta->ieee8021x_blocked = false;
         {
                 ret =  rtw_cfg80211_set_encryption(ndev, param, param_len);
         }
-       else
-       {
-       }
 
 addkey_end:
        kfree(param);
        spin_lock_bh(&pwdev_priv->scan_req_lock);
        if (pwdev_priv->scan_request) {
                /* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
-               if (pwdev_priv->scan_request->wiphy != pwdev_priv->rtw_wdev->wiphy)
-               {
-               }
-               else
+               if (pwdev_priv->scan_request->wiphy == pwdev_priv->rtw_wdev->wiphy)
                {
                        cfg80211_scan_done(pwdev_priv->scan_request, &info);
                }
        {
                if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS|_FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true)
                {
-                       if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS))
-                       {
-                       }
-
                        need_indicate_scan_done = true;
                        goto check_need_indicate_scan_done;
                }
        else if (key_mgt == WLAN_AKM_SUITE_PSK) {
                psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
        }
-       else {
-               /* return -EINVAL; */
-       }
 
        return 0;
 }
 
                dump_mgntframe(padapter, pmgntframe);
 
-       } else {
        }
 
-
 fail:
 
        dev_kfree_skb_any(skb);
                plist = get_next(plist);
 
                if (!memcmp((u8 *)mac, psta->hwaddr, ETH_ALEN)) {
-                       if (psta->dot8021xalg == 1 && psta->bpairwise_key_installed == false) {
-                       } else {
+                       if (psta->dot8021xalg != 1 || psta->bpairwise_key_installed == true) {
                                list_del_init(&psta->asoc_list);
                                pstapriv->asoc_list_cnt--;
 
                ht_cap->mcs.rx_mask[4] = 0x01;
 
                ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
-       } else {
        }
-
 }
 
 void rtw_cfg80211_init_wiphy(struct adapter *padapter)