Prevent "SIOCSIFHWADDR: Device or resource busy" when trying to change mac address

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13258 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index 9e7cff9..9b43205 100755 (executable)
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -232,6 +232,7 @@ setup_interface() {
        config_get mtu "$config" mtu
        config_get macaddr "$config" macaddr
        grep "$iface:" /proc/net/dev > /dev/null && \
+               $DEBUG ifconfig "$iface" down && \
                $DEBUG ifconfig "$iface" ${macaddr:+hw ether "$macaddr"} ${mtu:+mtu $mtu} up
        set_interface_ifname "$config" "$iface"