From 5da04ae460b8ea00adf15d525fba109503a289ea Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Sun, 7 Feb 2016 16:29:34 +0300
Subject: [PATCH] Explicitly use local scope of function variables for safety

Signed-off-by: Sergey Matveev <stargrave@stargrave.org>
---
 utils/addroute.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/addroute.sh b/utils/addroute.sh
index 4c5672b..781505c 100755
--- a/utils/addroute.sh
+++ b/utils/addroute.sh
@@ -23,7 +23,7 @@ tear_down_dev() {
 
 
 do_connect() {
-  OLDGW=$(ip route show 0/0 | sed -e 's/^default//')
+  local OLDGW=$(ip route show 0/0 | sed -e 's/^default//')
   ip link set dev $TAPDEV up
   ip addr add $INTERNAL_IP4_ADDRESS dev $TAPDEV
   ip route add $VPNGATEWAY $OLDGW
-- 
2.44.0