From 190a9e9245f0456a09cbf88a5a5a2b60886517ca Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Wed, 8 Dec 2021 09:07:16 -0500
Subject: [PATCH] TT#14008 allow null TABLE variable

If there's no config file present then retrieval of the table number
yields an empty string. Allow this as an expected case to silence a
warning from bash (using -lt against an empty string)

Change-Id: I0420d2e1c555f6b56a56fc5f47d3bc183a929e50
---
 debian/ngcp-rtpengine-iptables-setup    | 4 ++--
 pkg/deb/debian/rtpengine-iptables-setup | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/debian/ngcp-rtpengine-iptables-setup b/debian/ngcp-rtpengine-iptables-setup
index 56cf87e38..3b9045db7 100755
--- a/debian/ngcp-rtpengine-iptables-setup
+++ b/debian/ngcp-rtpengine-iptables-setup
@@ -39,7 +39,7 @@ fi
 
 firewall_setup()
 {
-  if [ "$TABLE" -lt 0 ] || [ "$VIRT" = "yes" ]; then
+  if [ -z "$TABLE" ] || [ "$TABLE" -lt 0 ] || [ "$VIRT" = "yes" ]; then
     return
   fi
 
@@ -66,7 +66,7 @@ firewall_setup()
 
 firewall_teardown()
 {
-  if [ "$TABLE" -lt 0 ] || [ "$VIRT" = "yes" ]; then
+  if [ -z "$TABLE" ] || [ "$TABLE" -lt 0 ] || [ "$VIRT" = "yes" ]; then
     return
   fi
 
diff --git a/pkg/deb/debian/rtpengine-iptables-setup b/pkg/deb/debian/rtpengine-iptables-setup
index b024212ce..1c4363462 100755
--- a/pkg/deb/debian/rtpengine-iptables-setup
+++ b/pkg/deb/debian/rtpengine-iptables-setup
@@ -39,7 +39,7 @@ fi
 
 firewall_setup()
 {
-  if [ "$TABLE" -lt 0 ] || [ "$VIRT" = "yes" ]; then
+  if [ -z "$TABLE" ] || [ "$TABLE" -lt 0 ] || [ "$VIRT" = "yes" ]; then
     return
   fi
 
@@ -66,7 +66,7 @@ firewall_setup()
 
 firewall_teardown()
 {
-  if [ "$TABLE" -lt 0 ] || [ "$VIRT" = "yes" ]; then
+  if [ -z "$TABLE" ] || [ "$TABLE" -lt 0 ] || [ "$VIRT" = "yes" ]; then
     return
   fi