From 4109a5089fad4d0c967992da7340a44618a45853 Mon Sep 17 00:00:00 2001
From: Hu Shuai <hus.fnst@cn.fujitsu.com>
Date: Mon, 8 Feb 2021 10:53:12 +0800
Subject: [PATCH] Fix ineffassign issue

Signed-off-by: Hu Shuai <hus.fnst@cn.fujitsu.com>
---
 collector/zfs_solaris.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/collector/zfs_solaris.go b/collector/zfs_solaris.go
index 1c0460c1..c9877875 100644
--- a/collector/zfs_solaris.go
+++ b/collector/zfs_solaris.go
@@ -299,6 +299,9 @@ func (c *zfsCollector) updateZfsFetchStats(ch chan<- prometheus.Metric) error {
 	defer tok.Close()
 
 	ksZFSInfo, err := tok.Lookup("zfs", 0, "zfetchstats")
+	if err != nil {
+		return err
+	}
 
 	for k, v := range map[string]*prometheus.Desc{
 		"hits":   c.zfetchstatsHits,