diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c
index 044b185f748b..ee1f2fa8d20f 100644
--- a/drivers/thermal/intel/intel_powerclamp.c
+++ b/drivers/thermal/intel/intel_powerclamp.c
@@ -103,13 +103,9 @@ static int duration_set(const char *arg, const struct kernel_param *kp)
 
 static int duration_get(char *buf, const struct kernel_param *kp)
 {
-	int ret;
+	guard(mutex)(&powerclamp_lock);
 
-	mutex_lock(&powerclamp_lock);
-	ret = sysfs_emit(buf, "%d\n", duration / 1000);
-	mutex_unlock(&powerclamp_lock);
-
-	return ret;
+	return sysfs_emit(buf, "%u\n", duration / 1000);
 }
 
 static const struct kernel_param_ops duration_ops = {