From 1449290e9e4f7abb34e71ca70c220718d7d1d9ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <zhangsongcui@live.cn>
Date: Fri, 3 May 2024 08:28:20 +0800
Subject: [PATCH] GPU (Linux): check NULL returned by opendir

Fix #845
---
 src/detection/gpu/gpu_linux.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/detection/gpu/gpu_linux.c b/src/detection/gpu/gpu_linux.c
index a8801cb31..65566cb8a 100644
--- a/src/detection/gpu/gpu_linux.c
+++ b/src/detection/gpu/gpu_linux.c
@@ -46,6 +46,8 @@ static void pciDetectAmdSpecific(const FFGPUOptions* options, FFGPUResult* gpu,
 
     ffStrbufAppendS(pciDir, "/hwmon/");
     FF_AUTO_CLOSE_DIR DIR* dirp = opendir(pciDir->chars);
+    if (!dirp) return;
+
     struct dirent* entry;
     while ((entry = readdir(dirp)) != NULL)
     {