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-rw-r--r--package/mac80211/files/lib/wifi/mac80211.sh4
1 files changed, 3 insertions, 1 deletions
diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh
index 90282d6547..c3fbc5017e 100644
--- a/package/mac80211/files/lib/wifi/mac80211.sh
+++ b/package/mac80211/files/lib/wifi/mac80211.sh
@@ -285,7 +285,9 @@ mac80211_generate_mac() {
local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
[ "$((0x$mask1))" -gt 0 ] && {
- b1=$(((0x$1 | 0x2) ^ ($id << 2)))
+ b1="0x$1"
+ [ "$id" -gt 0 ] && \
+ b1=$((($b1 | 0x2) ^ (($id - 1) << 2)))
printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
return
}