[brcm47xx] add script to fixup the wireless mac (#7102)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20775 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/brcm-2.4/base-files/etc/init.d/wmacfixup

@@ -0,0 +1,33 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2010 OpenWrt.org
+
+START=41
+
+boot() {
+	[ -d /sys/class/ieee80211 ] || exit
+
+	commit=0
+
+	fixup_wmac() {
+		local cfg="$1"
+		local cfmac
+
+		config_get cfmac "$cfg" macaddr
+
+		[ "$cfmac" != "00:90:4c:5f:00:2a" ] || {
+			local nvmac="$(nvram get il0macaddr 2>/dev/null)"
+			[ -n "$nvmac" ] && [ "$nvmac != "$cfmac ] && {
+				uci set wireless.$cfg.macaddr="$nvmac"
+				commit=1
+			}
+		}
+	}
+
+	config_load wireless
+	config_foreach fixup_wmac wifi-device
+
+	[ "$commit" = 1 ] && uci commit wireless
+}
+
+start() { :; }
+stop()  { :; }