add a workaround for the hostapd killed issue when using more than one wifi card (#1928, #2040)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8077 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/files/sbin/wifi

@@ -36,6 +36,7 @@ bridge_interface() {(
 
 
 wifi_updown() {
+	[ enable = "$1" ] && wifi_updown disable "$2"
 	for device in ${2:-$DEVICES}; do (
 	        config_get disabled "$device" disabled
 	        [ 1 == "$disabled" ] && {

package/madwifi/files/lib/wifi/madwifi.sh

@@ -73,7 +73,6 @@ enable_atheros() {
 	config_get channel "$device" channel
 	config_get vifs "$device" vifs
 	
-	disable_atheros "$device"
 	local first=1
 	for vif in $vifs; do
 		nosbeacon=