From b7485846964c4d7c3436884f3ee845aff73dd47d Mon Sep 17 00:00:00 2001
From: Jianhui Zhao <zhaojh329@gmail.com>
Date: Fri, 22 Nov 2024 14:50:29 +0800
Subject: [PATCH] perf: use `os.ReadFile` instead of `ioutil.ReadFile`

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
---
 device.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/device.go b/device.go
index 9e1e2e9..7c9e6de 100644
--- a/device.go
+++ b/device.go
@@ -8,8 +8,8 @@ import (
 	"crypto/x509"
 	"encoding/binary"
 	"io"
-	"io/ioutil"
 	"net"
+	"os"
 	"rttys/client"
 	"strings"
 	"sync/atomic"
@@ -370,7 +370,7 @@ func listenDevice(br *broker) {
 		if cfg.SslCacert == "" {
 			log.Warn().Msgf("mTLS not enabled")
 		} else {
-			caCert, err := ioutil.ReadFile(cfg.SslCacert)
+			caCert, err := os.ReadFile(cfg.SslCacert)
 			if err != nil {
 				log.Error().Msgf("mTLS not enabled: %s", err.Error())
 			} else {