Ignore/fix lints

conn.go

@@ -994,7 +994,7 @@ func (c *Conn) isHandshakeCompletedSuccessfully() bool {
 	return boolean.bool
 }
 
-func (c *Conn) handshake(ctx context.Context, cfg *handshakeConfig, initialFlight flightVal, initialState handshakeState) error { //nolint:gocognit
+func (c *Conn) handshake(ctx context.Context, cfg *handshakeConfig, initialFlight flightVal, initialState handshakeState) error { //nolint:gocognit,contextcheck
 	c.fsm = newHandshakeFSM(&c.state, c.handshakeCache, cfg, initialFlight)
 
 	done := make(chan struct{})

conn_test.go

@@ -3187,8 +3187,8 @@ func TestApplicationDataQueueLimited(t *testing.T) {
 	defer cancel()
 
 	ca, cb := dpipe.Pipe()
-	defer ca.Close()
-	defer cb.Close()
+	defer ca.Close() //nolint:errcheck
+	defer cb.Close() //nolint:errcheck
 
 	done := make(chan struct{})
 	go func() {
@@ -3216,7 +3216,6 @@ func TestApplicationDataQueueLimited(t *testing.T) {
 				t.Log(qlen)
 				time.Sleep(1 * time.Second)
 			}
-
 		}()
 		if _, err := handshakeConn(ctx, dconn, cfg, false, nil); err == nil {
 			t.Error("expected handshake to fail")
@@ -3249,12 +3248,12 @@ func TestApplicationDataQueueLimited(t *testing.T) {
 		if err != nil {
 			t.Fatal(err)
 		}
-		ca.Write(packet)
+		ca.Write(packet) // nolint
 		if i%100 == 0 {
 			time.Sleep(10 * time.Millisecond)
 		}
 	}
 	time.Sleep(1 * time.Second)
-	ca.Close()
+	ca.Close() // nolint
 	<-done
 }

examples/util/util.go

@@ -11,7 +11,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net"
 	"os"
 	"path/filepath"
@@ -70,7 +69,7 @@ func LoadKeyAndCertificate(keyPath string, certificatePath string) (tls.Certific
 
 // LoadCertificate Load/read certificate(s) from file
 func LoadCertificate(path string) (*tls.Certificate, error) {
-	rawData, err := ioutil.ReadFile(filepath.Clean(path))
+	rawData, err := os.ReadFile(filepath.Clean(path))
 	if err != nil {
 		return nil, err
 	}