1 files changed, 7 insertions, 6 deletions

diff --git a/collector/udp_queues_linux.go b/collector/udp_queues_linux.go
index 512c010..e1b347e 100644
--- a/collector/udp_queues_linux.go
+++ b/collector/udp_queues_linux.go
@@ -16,6 +16,7 @@
 package collector
 
 import (
+        "errors"
         "fmt"
         "os"
 
@@ -41,7 +42,7 @@ func init() {
 func NewUDPqueuesCollector(logger log.Logger) (Collector, error) {
         fs, err := procfs.NewFS(*procPath)
         if err != nil {
-                return nil, fmt.Errorf("failed to open procfs: %v", err)
+                return nil, fmt.Errorf("failed to open procfs: %w", err)
         }
         return &udpQueuesCollector{
                 fs: fs,
@@ -61,10 +62,10 @@ func (c *udpQueuesCollector) Update(ch chan<- prometheus.Metric) error {
                 ch <- prometheus.MustNewConstMetric(c.desc, prometheus.GaugeValue, float64(s4.TxQueueLength), "tx", "v4")
                 ch <- prometheus.MustNewConstMetric(c.desc, prometheus.GaugeValue, float64(s4.RxQueueLength), "rx", "v4")
         } else {
-                if os.IsNotExist(errIPv4) {
+                if errors.Is(errIPv4, os.ErrNotExist) {
                         level.Debug(c.logger).Log("msg", "not collecting ipv4 based metrics")
                 } else {
-                        return fmt.Errorf("couldn't get upd queued bytes: %s", errIPv4)
+                        return fmt.Errorf("couldn't get upd queued bytes: %w", errIPv4)
                 }
         }
 
@@ -73,14 +74,14 @@ func (c *udpQueuesCollector) Update(ch chan<- prometheus.Metric) error {
                 ch <- prometheus.MustNewConstMetric(c.desc, prometheus.GaugeValue, float64(s6.TxQueueLength), "tx", "v6")
                 ch <- prometheus.MustNewConstMetric(c.desc, prometheus.GaugeValue, float64(s6.RxQueueLength), "rx", "v6")
         } else {
-                if os.IsNotExist(errIPv6) {
+                if errors.Is(errIPv6, os.ErrNotExist) {
                         level.Debug(c.logger).Log("msg", "not collecting ipv6 based metrics")
                 } else {
-                        return fmt.Errorf("couldn't get upd6 queued bytes: %s", errIPv6)
+                        return fmt.Errorf("couldn't get upd6 queued bytes: %w", errIPv6)
                 }
         }
 
-        if os.IsNotExist(errIPv4) && os.IsNotExist(errIPv6) {
+        if errors.Is(errIPv4, os.ErrNotExist) && errors.Is(errIPv6, os.ErrNotExist) {
                 return ErrNoData
         }
         return nil