From a9c4a8aff202225cd02239c9c76e36ef76f88de4 Mon Sep 17 00:00:00 2001
From: Surya Prabhakar <surya_prabhakar@dell.com>
Date: Sat, 6 Oct 2012 19:35:56 +0530
Subject: [PATCH] kill throws an error while finding pid in quantum dhcp agent
 section

Change-Id: I602df7875710336125cdbb8407ff293a8e7d448e
---
 unstack.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/unstack.sh b/unstack.sh
index 1bace156d6..49f1e8bb84 100755
--- a/unstack.sh
+++ b/unstack.sh
@@ -110,5 +110,6 @@ fi
 
 # Quantum dhcp agent runs dnsmasq
 if is_service_enabled q-dhcp; then
-    sudo kill -9 $(ps aux | awk '/[d]nsmasq.+interface=tap/ { print $2 }')
+    pid=$(ps aux | awk '/[d]nsmasq.+interface=tap/ { print $2 }')
+    [ ! -z $pid ] && sudo kill -9 $pid
 fi