From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 3 Oct 2006 19:38:34 +0000 (+0000)
Subject: don't recreate the resolv.conf file from the dhcp script if no dhcp server is supplie... 
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c379f4a159a68f299d85e66b2ebb96e6da206ca0;p=openwrt%2Fstaging%2Fyousong.git

don't recreate the resolv.conf file from the dhcp script if no dhcp server is supplied (reported by exobyte)

SVN-Revision: 4903
---

diff --git a/openwrt/package/base-files/default/usr/share/udhcpc/default.script b/openwrt/package/base-files/default/usr/share/udhcpc/default.script
index e048687f74..74e703715b 100755
--- a/openwrt/package/base-files/default/usr/share/udhcpc/default.script
+++ b/openwrt/package/base-files/default/usr/share/udhcpc/default.script
@@ -37,13 +37,15 @@ case "$1" in
 				route add default gw $i dev $interface
 			done
 		fi
-
-		echo -n > $RESOLV_CONF
-		${domain:+echo search $domain} >> $RESOLV_CONF
-		for i in $dns ; do
-			echo "adding dns $i"
-			echo "nameserver $i" >> $RESOLV_CONF
-		done
+		
+		[ -n "$dns" ] && {
+			echo -n > $RESOLV_CONF
+			${domain:+echo search $domain} >> $RESOLV_CONF
+			for i in $dns ; do
+				echo "adding dns $i"
+				echo "nameserver $i" >> $RESOLV_CONF
+			done
+		}
 		
 		hotplug_event ifup