do not trap if hostname is empty

diff --git a/modules.d/40network/dhclient-script b/modules.d/40network/dhclient-script
index 7689e04..ca3a2fb 100755 (executable)
--- a/modules.d/40network/dhclient-script
+++ b/modules.d/40network/dhclient-script
@@ -64,6 +64,7 @@ setup_interface() {
     [ -e /hostname.set ] || {
        [ -n "$hostname" ] && mknod /hostname.set p && run hostname $hostname
     }
+    :
 }
 
 case $reason in