From b34f19a365a43ce8a05c29a97036bfc9e300c289 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 19 Jul 2023 22:19:22 +0200
Subject: [PATCH] Ensure that a premature call to set_num_threads will not
 overwrite unrelated memory

---
 driver/others/blas_server.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/driver/others/blas_server.c b/driver/others/blas_server.c
index 051513f27..a8a84acbb 100644
--- a/driver/others/blas_server.c
+++ b/driver/others/blas_server.c
@@ -973,7 +973,7 @@ void goto_set_num_threads(int num_threads) {
 
     increased_threads = 1;
 
-    for(i = blas_num_threads - 1; i < num_threads - 1; i++){
+    for(i = (blas_num_threads > 0) ? blas_num_threads - 1 : 0; i < num_threads - 1; i++){
 
       atomic_store_queue(&thread_status[i].queue, (blas_queue_t *)0);
       thread_status[i].status = THREAD_STATUS_WAKEUP;