1 files changed, 4 insertions, 3 deletions

diff --git a/collector/ipvs_linux.go b/collector/ipvs_linux.go
index b5c8d73..c2e9d70 100644
--- a/collector/ipvs_linux.go
+++ b/collector/ipvs_linux.go
@@ -16,6 +16,7 @@
 package collector
 
 import (
+        "errors"
         "fmt"
         "os"
         "sort"
@@ -140,11 +141,11 @@ func (c *ipvsCollector) Update(ch chan<- prometheus.Metric) error {
         ipvsStats, err := c.fs.IPVSStats()
         if err != nil {
                 // Cannot access ipvs metrics, report no error.
-                if os.IsNotExist(err) {
+                if errors.Is(err, os.ErrNotExist) {
                         level.Debug(c.logger).Log("msg", "ipvs collector metrics are not available for this system")
                         return ErrNoData
                 }
-                return fmt.Errorf("could not get IPVS stats: %s", err)
+                return fmt.Errorf("could not get IPVS stats: %w", err)
         }
         ch <- c.connections.mustNewConstMetric(float64(ipvsStats.Connections))
         ch <- c.incomingPackets.mustNewConstMetric(float64(ipvsStats.IncomingPackets))
@@ -154,7 +155,7 @@ func (c *ipvsCollector) Update(ch chan<- prometheus.Metric) error {
 
         backendStats, err := c.fs.IPVSBackendStatus()
         if err != nil {
-                return fmt.Errorf("could not get backend status: %s", err)
+                return fmt.Errorf("could not get backend status: %w", err)
         }
 
         sums := map[string]ipvsBackendStatus{}