From 114a4a1a3056aa077b7734887fbcbff107d80a51 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sun, 24 Sep 2023 16:39:27 +0200
Subject: [PATCH] Check for errors when calling the GPU lister.

---
 src/wx/grok/gpu_config_panel.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/wx/grok/gpu_config_panel.h b/src/wx/grok/gpu_config_panel.h
index 1478434be..2647c1ece 100644
--- a/src/wx/grok/gpu_config_panel.h
+++ b/src/wx/grok/gpu_config_panel.h
@@ -3,7 +3,9 @@
 static std::vector<std::string> get_gpu_names(std::string binary, std::string filename)
 {
     // Execute the GPU listing program and redirect its output to a file
-    std::system((binary + " > " +  filename).c_str());
+    if (std::system((binary + " > " +  filename).c_str()) < 0) {
+	    return {};
+    }
 
     std::vector<std::string> gpu_names;
     std::ifstream file(filename);
-- 
2.30.2