From 2fda6b845c97e7a280834b86ed4605647a064e32 Mon Sep 17 00:00:00 2001
From: esrrhs <esrrhs@163.com>
Date: Fri, 25 Oct 2019 21:17:47 +0800
Subject: [PATCH] add

---
 pingtunnel.go | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/pingtunnel.go b/pingtunnel.go
index 8cae0cb..70ed736 100644
--- a/pingtunnel.go
+++ b/pingtunnel.go
@@ -80,14 +80,10 @@ func recvICMP(conn icmp.PacketConn, recv chan<- *Packet) {
 		n, srcaddr, err := conn.ReadFrom(bytes)
 
 		if err != nil {
-			if neterr, ok := err.(*net.OpError); ok {
-				if neterr.Timeout() {
-					// Read timeout
-					continue
-				} else {
-					loggo.Error("Error read icmp message %s", err)
-					continue
-				}
+			nerr, ok := err.(net.Error)
+			if !ok || !nerr.Timeout() {
+				loggo.Error("Error read icmp message %s", err)
+				continue
 			}
 		}