From fe78e7e51ae7d01db2849813927a5ad282dfcef3 Mon Sep 17 00:00:00 2001
From: TaoGe <6657718+yowenter@users.noreply.github.com>
Date: Sat, 3 Feb 2024 17:13:12 +0800
Subject: [PATCH] fix hwmon nil ptr (#2873)

* fix hwmon nil ptr

syslink maybe lost in some cases.

---------

Signed-off-by: TaoGe <6657718+yowenter@users.noreply.github.com>
---
 collector/hwmon_linux.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/collector/hwmon_linux.go b/collector/hwmon_linux.go
index 3ad469a61a..476eed7b30 100644
--- a/collector/hwmon_linux.go
+++ b/collector/hwmon_linux.go
@@ -446,7 +446,10 @@ func (c *hwMonCollector) Update(ch chan<- prometheus.Metric) error {
 
 	for _, hwDir := range hwmonFiles {
 		hwmonXPathName := filepath.Join(hwmonPathName, hwDir.Name())
-		fileInfo, _ := os.Lstat(hwmonXPathName)
+		fileInfo, err := os.Lstat(hwmonXPathName)
+		if err != nil {
+			continue
+		}
 
 		if fileInfo.Mode()&os.ModeSymlink > 0 {
 			fileInfo, err = os.Stat(hwmonXPathName)