staging: rtl8723bs: remove null check before kfree

Kfree on NULL pointer is a no-op and therefore checking is redundant.
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/os_dep/ioctl_linux.c

@@ -4120,10 +4120,8 @@ static int rtw_set_wps_beacon(struct net_device *dev, struct ieee_param *param,
 	ie_len = len-12-2;/*  12 = param header, 2:no packed */
 
 
-	if (pmlmepriv->wps_beacon_ie) {
-		kfree(pmlmepriv->wps_beacon_ie);
-		pmlmepriv->wps_beacon_ie = NULL;
-	}
+	kfree(pmlmepriv->wps_beacon_ie);
+	pmlmepriv->wps_beacon_ie = NULL;
 
 	if (ie_len>0) {
 		pmlmepriv->wps_beacon_ie = rtw_malloc(ie_len);
@@ -4160,10 +4158,8 @@ static int rtw_set_wps_probe_resp(struct net_device *dev, struct ieee_param *par
 	ie_len = len-12-2;/*  12 = param header, 2:no packed */
 
 
-	if (pmlmepriv->wps_probe_resp_ie) {
-		kfree(pmlmepriv->wps_probe_resp_ie);
-		pmlmepriv->wps_probe_resp_ie = NULL;
-	}
+	kfree(pmlmepriv->wps_probe_resp_ie);
+	pmlmepriv->wps_probe_resp_ie = NULL;
 
 	if (ie_len>0) {
 		pmlmepriv->wps_probe_resp_ie = rtw_malloc(ie_len);
@@ -4195,10 +4191,8 @@ static int rtw_set_wps_assoc_resp(struct net_device *dev, struct ieee_param *par
 	ie_len = len-12-2;/*  12 = param header, 2:no packed */
 
 
-	if (pmlmepriv->wps_assoc_resp_ie) {
-		kfree(pmlmepriv->wps_assoc_resp_ie);
-		pmlmepriv->wps_assoc_resp_ie = NULL;
-	}
+	kfree(pmlmepriv->wps_assoc_resp_ie);
+	pmlmepriv->wps_assoc_resp_ie = NULL;
 
 	if (ie_len>0) {
 		pmlmepriv->wps_assoc_resp_ie = rtw_malloc(ie_len);