From 796e1112176ada7ebc084491458dfbfbe3a193b6 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Wed, 21 Mar 2018 09:07:02 +0100
Subject: [PATCH] mac80211_hwsim: fix secondary MAC address assignment
OR'ing in 0x40 before a memcpy() to overwrite the value doesn't
do much good - flip the order of operations are reported and
tested by Jouni.
Fixes: cb1a5bae5684 ("mac80211_hwsim: add permanent mac address option for new radios")
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
drivers/net/wireless/mac80211_hwsim.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 7b6c3640a94f4..930ddef91093a 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2584,8 +2584,8 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
addr[4] = idx;
memcpy(data->addresses[0].addr, addr, ETH_ALEN);
/* Why need here second address ? */
- data->addresses[1].addr[0] |= 0x40;
memcpy(data->addresses[1].addr, addr, ETH_ALEN);
+ data->addresses[1].addr[0] |= 0x40;
hw->wiphy->n_addresses = 2;
hw->wiphy->addresses = data->addresses;
/* possible address clash is checked at hash table insertion */