From 8b102f61b3a8edbd850462479cc4c8c0ca80c120 Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 19 Sep 2007 20:55:05 +0000
Subject: [PATCH] fix kconfig.pl split for config symbols that have "0" as
 value

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8847 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 scripts/kconfig.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kconfig.pl b/scripts/kconfig.pl
index 53b8f1102..181b35ad4 100755
--- a/scripts/kconfig.pl
+++ b/scripts/kconfig.pl
@@ -72,7 +72,7 @@ sub config_diff($$) {
 	my %config;
 	
 	foreach my $config (keys %$cfg2) {
-		if (!$cfg1->{$config} or $cfg1->{$config} ne $cfg2->{$config}) {
+		if (!defined($cfg1->{$config}) or $cfg1->{$config} ne $cfg2->{$config}) {
 			$config{$config} = $cfg2->{$config};
 		}
 	}