pattrib->last_txcmdsz = pattrib->pktlen;
 
        dump_mgntframe23a(padapter, pmgntframe);
-
-       return;
 }
 
 static int _issue_probereq(struct rtw_adapter *padapter,
        rtw_wep_encrypt23a(padapter, pmgntframe);
        DBG_8723A("%s\n", __func__);
        dump_mgntframe23a(padapter, pmgntframe);
-
-       return;
 }
 
 #ifdef CONFIG_8723AU_AP_MODE
                }
        } else
                kfree(pmlmepriv->assoc_req);
-
-       return;
 }
 
 /* when wait_ack is true, this function should be called at process context */
                pmlmeext->chan_scan_time = SURVEY_TO;
                pmlmeext->sitesurvey_res.state = SCAN_DISABLE;
        }
-
-       return;
 }
 
 /* collect bss info from Beacon and Probe request/response frames. */
        rtw_enqueue_cmd23a(pcmdpriv, pcmd_obj);
 
        pmlmeext->sitesurvey_res.bss_cnt++;
-
-       return;
 }
 
 void report_surveydone_event23a(struct rtw_adapter *padapter)
        DBG_8723A("survey done event(%x)\n", psurveydone_evt->bss_cnt);
 
        rtw_enqueue_cmd23a(pcmdpriv, pcmd_obj);
-
-       return;
 }
 
 void report_join_res23a(struct rtw_adapter *padapter, int res)
        rtw_joinbss_event_prehandle23a(padapter, (u8 *)&pjoinbss_evt->network);
 
        rtw_enqueue_cmd23a(pcmdpriv, pcmd_obj);
-
-       return;
 }
 
 void report_del_sta_event23a(struct rtw_adapter *padapter,
        DBG_8723A("report_del_sta_event23a: delete STA, mac_id =%d\n", mac_id);
 
        rtw_enqueue_cmd23a(pcmdpriv, pcmd_obj);
-
-       return;
 }
 
 void report_add_sta_event23a(struct rtw_adapter *padapter,
        DBG_8723A("report_add_sta_event23a: add STA\n");
 
        rtw_enqueue_cmd23a(pcmdpriv, pcmd_obj);
-
-       return;
 }
 
 /****************************************************************************
                issue_assocreq(padapter);
                set_link_timer(pmlmeext, REASSOC_TO);
        }
-
-       return;
 }
 
 static void addba_timer_hdl(unsigned long data)