linux-kernel - [PATCH 5/8] staging: r8188eu: use random default mac address

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Message-Id: <20210830120420.5287-6-straube.linux@gmail.com>
Date:   Mon, 30 Aug 2021 14:04:17 +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 5/8] staging: r8188eu: use random default mac address

Use a random default mac address instead of a fixed one to reduce the
likelihood of mac address collision.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/core/rtw_ieee80211.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index 35a548e1c92e..370a710ab7cb 100644
--- a/drivers/staging/r8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c
@@ -1033,15 +1033,8 @@ void rtw_macaddr_cfg(u8 *mac_addr)
 	}
 
 	if (is_broadcast_ether_addr(mac) || is_zero_ether_addr(mac)) {
-		mac[0] = 0x00;
-		mac[1] = 0xe0;
-		mac[2] = 0x4c;
-		mac[3] = 0x87;
-		mac[4] = 0x00;
-		mac[5] = 0x00;
-		/*  use default mac addresss */
-		memcpy(mac_addr, mac, ETH_ALEN);
-		DBG_88E("MAC Address from efuse error, assign default one !!!\n");
+		eth_random_addr(mac_addr);
+		DBG_88E("MAC Address from efuse error, assign random one !!!\n");
 	}
 
 	DBG_88E("rtw_macaddr_cfg MAC Address  = %pM\n", (mac_addr));
-- 
2.33.0