X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=root%2Fusr%2Fshare%2Fucode%2Ffw4.uc;h=b725459c77d22d0a4f8ba924661a07c2239ca124;hb=9bce87374e7ecee5ab29bb210df6691f1b701229;hp=b81f9adcb9ecb1e987c36bea398bfcfa105b5346;hpb=425ea8a736ac81948bad7e201f4817848cb1813c;p=project%2Ffirewall4.git

diff --git a/root/usr/share/ucode/fw4.uc b/root/usr/share/ucode/fw4.uc
index b81f9ad..b725459 100644
--- a/root/usr/share/ucode/fw4.uc
+++ b/root/usr/share/ucode/fw4.uc
@@ -1432,7 +1432,7 @@ return {
 			case 'ipv4_addr':
 				ip = filter(this.parse_subnet(values[i]), a => (a.family == 4));
 
-				switch (length(ip)) {
+				switch (length(ip) ?? 0) {
 				case 0: return null;
 				case 1: break;
 				default: this.warn("Set entry '%s' resolves to multiple addresses, using first one", values[i]);