From 945f70bb63ec899cef35258f064573703a40f3f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Lesimple?= <speed47_github@speed47.net>
Date: Wed, 8 Apr 2026 21:11:12 +0200
Subject: [PATCH] fix: early abort when using --allow-msr-write

---
 src/libs/340_cpu_msr.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libs/340_cpu_msr.sh b/src/libs/340_cpu_msr.sh
index f488076..76f9761 100644
--- a/src/libs/340_cpu_msr.sh
+++ b/src/libs/340_cpu_msr.sh
@@ -52,7 +52,7 @@ write_msr_one_core() {
     core="$1"
     msr_dec=$(($2))
     msr=$(printf "0x%x" "$msr_dec")
-    value_dec=$(($3))
+    value_dec=$((${3:-0}))
     value=$(printf "0x%x" "$value_dec")
 
     ret_write_msr_msg='unknown error'