base-files: fix udhcpc address acquisition on network restart (patch by Scott Dudley)

SVN-Revision: 19530

package/base-files/Makefile

@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=base-files
-PKG_RELEASE:=37
+PKG_RELEASE:=38
 
 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
 

package/base-files/files/usr/share/udhcpc/default.script

@@ -31,7 +31,8 @@ setup_interface () {
 		config_get old_subnet    "$ifc" netmask
 	}
 
-	[ "$ip" != "$old_ip" ] \
+	[ "$1" = "ifup" ] \
+	|| [ "$ip" != "$old_ip" ] \
 	|| [ "${broadcast:-+}" != "$old_broadcast" ] \
 	|| [ "${subnet:-255.255.255.0}" != "$old_subnet" ] && {
 		echo "udhcpc: ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}"