pmlmeext = &padapter->mlmeextpriv;
        pcmdpriv = &padapter->cmdpriv;
 
-       pcmd_obj = (struct cmd_obj *)kzalloc(sizeof(struct cmd_obj),
-                                            GFP_ATOMIC);
+       pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
        if (!pcmd_obj)
                return;
 
        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
        struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
 
-       pcmd_obj = (struct cmd_obj *)kzalloc(sizeof(struct cmd_obj),
-                                            GFP_ATOMIC);
+       pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
        if (!pcmd_obj)
                return;
 
        struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
        struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
 
-       pcmd_obj = (struct cmd_obj *)kzalloc(sizeof(struct cmd_obj),
-                                            GFP_ATOMIC);
+       pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
        if (!pcmd_obj)
                return;
 
        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
        struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
 
-       pcmd_obj = (struct cmd_obj *)kzalloc(sizeof(struct cmd_obj),
-                                            GFP_ATOMIC);
+       pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
        if (!pcmd_obj)
                return;
 
        struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
        struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
 
-       pcmd_obj = (struct cmd_obj *)kzalloc(sizeof(struct cmd_obj),
-                                            GFP_ATOMIC);
+       pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
        if (!pcmd_obj)
                return;
 
                        pmlmeext->scan_abort = false;/* reset */
                }
 
-               ph2c = (struct cmd_obj *)kzalloc(sizeof(struct cmd_obj),
-                       GFP_ATOMIC);
+               ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
                if (!ph2c)
                        goto exit_survey_timer_hdl;
 
-               psurveyPara = (struct sitesurvey_parm*)
-                       kzalloc(sizeof(struct sitesurvey_parm), GFP_ATOMIC);
+               psurveyPara = kzalloc(sizeof(struct sitesurvey_parm),
+                                       GFP_ATOMIC);
                if (!psurveyPara) {
                        kfree(ph2c);
                        goto exit_survey_timer_hdl;
        u8 res = _SUCCESS;
        int len_diff = 0;
 
-       ph2c = (struct cmd_obj *)kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
+       ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC);
        if (!ph2c) {
                res = _FAIL;
                goto exit;
        }
 
-       ptxBeacon_parm = (struct Tx_Beacon_param *)
-               kzalloc(sizeof(struct Tx_Beacon_param), GFP_ATOMIC);
+       ptxBeacon_parm = kzalloc(sizeof(struct Tx_Beacon_param), GFP_ATOMIC);
        if (!ptxBeacon_parm) {
                kfree(ph2c);
                res = _FAIL;