From 7019b795a68bcfd338b4a75589d7d0f6611b4d82 Mon Sep 17 00:00:00 2001
From: Norman Feske <norman.feske@genode-labs.com>
Date: Mon, 18 Nov 2024 14:08:24 +0100
Subject: [PATCH] tool/run: tolerate absence of load_spawn_id

Avoid backtrace in error message if load/fastboot fails at the
boot-loader stage.
---
 tool/run/load.inc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tool/run/load.inc b/tool/run/load.inc
index 4d540248ed..6f5e196696 100644
--- a/tool/run/load.inc
+++ b/tool/run/load.inc
@@ -3,5 +3,7 @@
 #
 proc load_spawn_id { } {
 	global load_spawn_id
-	return $load_spawn_id
+	if {[info exists load_spawn_id]} {
+		return $load_spawn_id }
+	return -1
 }