Staging: rtl8723bs: core: Remove typecast in kfree

Remove typecast in kfree, as per definition of kfree in
include/linux/slab.h#L144, the parameter type of kfree is void*, and
hence C compiler casts any pointer type to void*.
Signed-off-by: Madhumitha Prabakaran <madhumithabiw@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_mlme_ext.c

@@ -816,7 +816,7 @@ unsigned int OnBeacon(struct adapter *padapter, union recv_frame *precv_frame)
 					update_network(&(pmlmepriv->cur_network.network), pbss, padapter, true);
 					rtw_get_bcn_info(&(pmlmepriv->cur_network));
 				}
-				kfree((u8 *)pbss);
+				kfree(pbss);
 			}
 
 			/* check the vendor of the assoc AP */
@@ -5043,7 +5043,7 @@ void report_survey_event(struct adapter *padapter, union recv_frame *precv_frame
 	cmdsz = (sizeof(struct survey_event) + sizeof(struct C2HEvent_Header));
 	pevtcmd = rtw_zmalloc(cmdsz);
 	if (pevtcmd == NULL) {
-		kfree((u8 *)pcmd_obj);
+		kfree(pcmd_obj);
 		return;
 	}
 
@@ -5064,8 +5064,8 @@ void report_survey_event(struct adapter *padapter, union recv_frame *precv_frame
 	psurvey_evt = (struct survey_event *)(pevtcmd + sizeof(struct C2HEvent_Header));
 
 	if (collect_bss_info(padapter, precv_frame, (struct wlan_bssid_ex *)&psurvey_evt->bss) == _FAIL) {
-		kfree((u8 *)pcmd_obj);
-		kfree((u8 *)pevtcmd);
+		kfree(pcmd_obj);
+		kfree(pevtcmd);
 		return;
 	}
 
@@ -5096,7 +5096,7 @@ void report_surveydone_event(struct adapter *padapter)
 	cmdsz = (sizeof(struct surveydone_event) + sizeof(struct C2HEvent_Header));
 	pevtcmd = rtw_zmalloc(cmdsz);
 	if (pevtcmd == NULL) {
-		kfree((u8 *)pcmd_obj);
+		kfree(pcmd_obj);
 		return;
 	}
 
@@ -5143,7 +5143,7 @@ void report_join_res(struct adapter *padapter, int res)
 	cmdsz = (sizeof(struct joinbss_event) + sizeof(struct C2HEvent_Header));
 	pevtcmd = rtw_zmalloc(cmdsz);
 	if (pevtcmd == NULL) {
-		kfree((u8 *)pcmd_obj);
+		kfree(pcmd_obj);
 		return;
 	}
 
@@ -5194,7 +5194,7 @@ void report_wmm_edca_update(struct adapter *padapter)
 	cmdsz = (sizeof(struct wmm_event) + sizeof(struct C2HEvent_Header));
 	pevtcmd = rtw_zmalloc(cmdsz);
 	if (pevtcmd == NULL) {
-		kfree((u8 *)pcmd_obj);
+		kfree(pcmd_obj);
 		return;
 	}
 
@@ -5241,7 +5241,7 @@ void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsi
 	cmdsz = (sizeof(struct stadel_event) + sizeof(struct C2HEvent_Header));
 	pevtcmd = rtw_zmalloc(cmdsz);
 	if (pevtcmd == NULL) {
-		kfree((u8 *)pcmd_obj);
+		kfree(pcmd_obj);
 		return;
 	}
 
@@ -5296,7 +5296,7 @@ void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int
 	cmdsz = (sizeof(struct stassoc_event) + sizeof(struct C2HEvent_Header));
 	pevtcmd = rtw_zmalloc(cmdsz);
 	if (pevtcmd == NULL) {
-		kfree((u8 *)pcmd_obj);
+		kfree(pcmd_obj);
 		return;
 	}
 
@@ -5822,7 +5822,7 @@ void survey_timer_hdl(struct timer_list *t)
 
 		psurveyPara = rtw_zmalloc(sizeof(struct sitesurvey_parm));
 		if (psurveyPara == NULL) {
-			kfree((unsigned char *)ph2c);
+			kfree(ph2c);
 			goto exit_survey_timer_hdl;
 		}
 
@@ -6589,7 +6589,7 @@ u8 set_tx_beacon_cmd(struct adapter *padapter)
 
 	ptxBeacon_parm = rtw_zmalloc(sizeof(struct Tx_Beacon_param));
 	if (ptxBeacon_parm == NULL) {
-		kfree((unsigned char *)ph2c);
+		kfree(ph2c);
 		res = _FAIL;
 		goto exit;
 	}