staging: rtl8712: avoid a useless call to memset().

In r8711_wx_get_wap(), make sure we do not call memcpy() on a memory area that
has just been zeroed by a call to memset().
Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_ioctl_linux.c

@@ -1131,11 +1131,11 @@ static int r8711_wx_get_wap(struct net_device *dev,
 	struct ndis_wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
 
 	wrqu->ap_addr.sa_family = ARPHRD_ETHER;
-	memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
-	if (check_fwstate(pmlmepriv, _FW_LINKED |
-	    WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
+	if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE |
+				     WIFI_AP_STATE))
 		memcpy(wrqu->ap_addr.sa_data, pcur_bss->MacAddress, ETH_ALEN);
-	}
+	else
+		memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
 	return 0;
 }