firewall: run ifdown hotplug events synchronized, fixes a racecondition on "ifup iface" when ifdown and ifup events are delivered with a small dealy

SVN-Revision: 23064

package/firewall/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=firewall
 
 PKG_VERSION:=2
-PKG_RELEASE:=14
+PKG_RELEASE:=15
 
 include $(INCLUDE_DIR)/package.mk
 

package/firewall/files/firewall.hotplug

@@ -17,6 +17,6 @@ case "$ACTION" in
 		fw_configure_interface "$INTERFACE" add "$DEVICE" &
 	;;
 	ifdown)
-		fw_configure_interface "$INTERFACE" del "$DEVICE" &
+		fw_configure_interface "$INTERFACE" del "$DEVICE"
 	;;
 esac

package/firewall/files/lib/core.sh

@@ -58,16 +58,14 @@ fw_stop() {
 
 	fw_callback pre stop
 
-	local old_zones z
-	config_get old_zones core zones
-	for z in $old_zones; do
-		local old_networks n i
-		config_get old_networks core "${z}_networks"
-		for n in $old_networks; do
+	local z n i
+	config_get z core zones
+	for z in $z; do
+		config_get n core "${z}_networks"
+		for n in $n; do
 			config_get i core "${n}_ifname"
 			[ -n "$i" ] && env -i ACTION=remove ZONE="$z" \
-				INTERFACE="$n" DEVICE="$i" \
-				/sbin/hotplug-call firewall
+				INTERFACE="$n" DEVICE="$i" /sbin/hotplug-call firewall
 		done
 	done