staging: wilc1000: use is_zero_ether_addr() API to check mac address

Use is_zero_ether_addr() API to check if mac address value is zero.
Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -3400,13 +3400,12 @@ int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN])
 	struct wid wid;
 	int result;
 	int i;
-	u8 zero_addr[ETH_ALEN] = {0};
 	u8 assoc_sta = 0;
 	struct del_all_sta del_sta;
 
 	memset(&del_sta, 0x0, sizeof(del_sta));
 	for (i = 0; i < WILC_MAX_NUM_STA; i++) {
-		if (memcmp(mac_addr[i], zero_addr, ETH_ALEN)) {
+		if (!is_zero_ether_addr(mac_addr[i])) {
 			assoc_sta++;
 			ether_addr_copy(del_sta.mac[i], mac_addr[i]);
 		}

drivers/staging/wilc1000/linux_wlan.c

@@ -205,11 +205,10 @@ void wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode)
 int wilc_wlan_get_num_conn_ifcs(struct wilc *wilc)
 {
 	u8 i = 0;
-	u8 null_bssid[6] = {0};
 	u8 ret_val = 0;
 
 	for (i = 0; i < wilc->vif_num; i++)
-		if (memcmp(wilc->vif[i]->bssid, null_bssid, 6))
+		if (!is_zero_ether_addr(wilc->vif[i]->bssid))
 			ret_val++;
 
 	return ret_val;