linux-kernel - [PATCH v2 4/8] staging: r8188eu: use is_*_ether_addr() in rtw_macaddr

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Date:   Mon, 30 Aug 2021 14:15:04 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk, martin@...ser.cx,
        fmdefrancesco@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH v2 4/8] 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@...il.com>
---
 drivers/staging/r8188eu/core/rtw_ieee80211.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index 205798b76cf9..35a548e1c92e 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;
-- 
2.33.0