From a3b5626f53db69ed22dc395221ba515d3f74b728 Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Sun, 4 May 2025 16:32:03 +0100
Subject: lib.sh: stricter xbmk_err check in err()

Signed-off-by: Leah Rowe <leah@libreboot.org>
---
 include/lib.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'include/lib.sh')

diff --git a/include/lib.sh b/include/lib.sh
index e54fd6b4..c9be740a 100644
--- a/include/lib.sh
+++ b/include/lib.sh
@@ -177,9 +177,9 @@ x_()
 err()
 {
 	xbmk_err_val=0
+	real_err="" && [ -n "${xbmk_err+x}" ] && real_err="$xbmk_err"
 
-	real_err="$xbmk_err"
-	if [ -z "$xbmk_err" ]; then
+	if [ -z "$real_err" ]; then
 		printf "WARNING: err not set. Defaulting to 'err_'\n" 1>&2
 		real_err="err_"
 	fi
-- 
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