From 6510b77d1d21cce441297cdb1d3ca0232f0c4f28 Mon Sep 17 00:00:00 2001
From: John Southworth <john.southworth@vyatta.com>
Date: Mon, 1 Apr 2013 10:12:06 -0700
Subject: Bugfix 8830: Fix empty substitution in list search

---
 functions/interpreter/vyatta-common | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/functions/interpreter/vyatta-common b/functions/interpreter/vyatta-common
index c6e645f..296abd2 100644
--- a/functions/interpreter/vyatta-common
+++ b/functions/interpreter/vyatta-common
@@ -72,6 +72,9 @@ get_prefix_filtered_list2 ()
 is_elem_of () {
   local elem=$1
   local -a olist
+  if [[ -z $2 ]]; then
+    return 1
+  fi
   eval "olist=( \"\${$2[@]}\" )"
   for e in ${olist[*]}; do
     if [[ "$e" == "$elem" ]]; then
-- 
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