From 21b292f82754cb11d84cf8200ff0ee71eed1ae18 Mon Sep 17 00:00:00 2001
From: Dusty Mabe <dusty@dustymabe.com>
Date: Fri, 1 Nov 2024 22:41:49 -0400
Subject: [PATCH] tests/kola: fix potential unbound variable error

Fixup for 8b6e75e.
---
 tests/kola/upgrade/extended/test.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/kola/upgrade/extended/test.sh b/tests/kola/upgrade/extended/test.sh
index 93b7acac8c..d4fada76d3 100755
--- a/tests/kola/upgrade/extended/test.sh
+++ b/tests/kola/upgrade/extended/test.sh
@@ -230,7 +230,7 @@ selinux-sanity-check() {
             # Add in a few temporary glob exceptions
             # https://github.com/coreos/fedora-coreos-tracker/issues/1806
             [[ "${path}" =~ /etc/selinux/targeted/active/ ]] && continue
-            if [ "${add_dtb_exception}" == 'true' ]; then
+            if [ "${add_dtb_exception:-}" == 'true' ]; then
                 [[ "${path}" =~ /boot/ostree/.*/dtb ]] && continue
             fi
             if [[ "${exceptions[$path]:-noexception}" == 'noexception' ]]; then