staging: r8188eu: replace custom macros with is_broadcast_ether_addr

Replace usage of custom macros with is_broadcast_ether_addr. All buffers
are properly aligned. Remove the now unsued macros MacAddr_isBcst and
IS_MAC_ADDRESS_BROADCAST.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Link: https://lore.kernel.org/r/20210805205010.31192-1-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_ioctl_set.c

@@ -13,13 +13,6 @@
 
 extern void indicate_wx_scan_complete_event(struct adapter *padapter);
 
-#define IS_MAC_ADDRESS_BROADCAST(addr) \
-(\
-	((addr[0] == 0xff) && (addr[1] == 0xff) && \
-		(addr[2] == 0xff) && (addr[3] == 0xff) && \
-		(addr[4] == 0xff) && (addr[5] == 0xff))  ? true : false \
-)
-
 u8 rtw_validate_ssid(struct ndis_802_11_ssid *ssid)
 {
 	u8	 i;
@@ -540,7 +533,7 @@ u8 rtw_set_802_11_add_key(struct adapter *padapter, struct ndis_802_11_key *key)
 		}
 
 		/*  check BSSID */
-		if (IS_MAC_ADDRESS_BROADCAST(key->BSSID) == true) {
+		if (is_broadcast_ether_addr(key->BSSID)) {
 			ret = false;
 			goto exit;
 		}
@@ -592,7 +585,7 @@ u8 rtw_set_802_11_add_key(struct adapter *padapter, struct ndis_802_11_key *key)
 			encryptionalgo = padapter->securitypriv.dot118021XGrpPrivacy;
 		}
 
-		if ((check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE) == true) && (IS_MAC_ADDRESS_BROADCAST(key->BSSID) == false)) {
+		if (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE) && !is_broadcast_ether_addr(key->BSSID)) {
 			ret = _FAIL;
 			goto exit;
 		}

drivers/staging/r8188eu/core/rtw_recv.c

@@ -622,7 +622,7 @@ static void count_rx_stats(struct adapter *padapter, struct recv_frame *prframe,
 
 	padapter->mlmepriv.LinkDetectInfo.NumRxOkInPeriod++;
 
-	if ((!MacAddr_isBcst(pattrib->dst)) && (!IS_MCAST(pattrib->dst)))
+	if (!is_broadcast_ether_addr(pattrib->dst) && !IS_MCAST(pattrib->dst))
 		padapter->mlmepriv.LinkDetectInfo.NumRxUnicastOkInPeriod++;
 
 	if (sta)

drivers/staging/r8188eu/include/wifi.h

@@ -368,13 +368,6 @@ enum WIFI_REG_DOMAIN {
 
 #define GetAddr4Ptr(pbuf)	((unsigned char *)((size_t)(pbuf) + 24))
 
-#define MacAddr_isBcst(addr) \
-	( \
-	((addr[0] == 0xff) && (addr[1] == 0xff) && \
-	(addr[2] == 0xff) && (addr[3] == 0xff) && \
-	(addr[4] == 0xff) && (addr[5] == 0xff))  ? true : false \
-)
-
 static inline int IS_MCAST(unsigned char *da)
 {
 	if ((*da) & 0x01)