From: Michael Straube <straube.linux@gmail.com>
Date: Mon, 30 Aug 2021 12:15:04 +0000 (+0200)
Subject: staging: r8188eu: use is_*_ether_addr() in rtw_macaddr_cfg()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=abfab1aadaa67d75f6f43eedb67336521bf49992;p=linux.git

staging: r8188eu: use is_*_ether_addr() in rtw_macaddr_cfg()

Use is_broadcast_ether_addr() and is_zero_ether_addr() in
rtw_macaddr_cfg(). The buffer is properly aligned.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210830121508.6411-5-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index 205798b76cf99..35a548e1c92e0 100644
--- a/drivers/staging/r8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c
@@ -1032,10 +1032,7 @@ void rtw_macaddr_cfg(u8 *mac_addr)
 		memcpy(mac, mac_addr, ETH_ALEN);
 	}
 
-	if (((mac[0] == 0xff) && (mac[1] == 0xff) && (mac[2] == 0xff) &&
-	     (mac[3] == 0xff) && (mac[4] == 0xff) && (mac[5] == 0xff)) ||
-	    ((mac[0] == 0x0) && (mac[1] == 0x0) && (mac[2] == 0x0) &&
-	     (mac[3] == 0x0) && (mac[4] == 0x0) && (mac[5] == 0x0))) {
+	if (is_broadcast_ether_addr(mac) || is_zero_ether_addr(mac)) {
 		mac[0] = 0x00;
 		mac[1] = 0xe0;
 		mac[2] = 0x4c;