From 32978a64595ee568a40ff31bfe88f12d6320f55c Mon Sep 17 00:00:00 2001
From: gVisor bot <gvisor-bot@google.com>
Date: Fri, 24 Feb 2023 14:58:01 +0800
Subject: [PATCH] fix: checkTunName mistake

---
 listener/sing_tun/server.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/listener/sing_tun/server.go b/listener/sing_tun/server.go
index 63d475cf..3abef12d 100644
--- a/listener/sing_tun/server.go
+++ b/listener/sing_tun/server.go
@@ -77,7 +77,7 @@ func checkTunName(tunName string) (ok bool) {
 		if len(tunName) <= 4 {
 			return false
 		}
-		if tunName[:4] == "utun" {
+		if tunName[:4] != "utun" {
 			return false
 		}
 		if _, parseErr := strconv.ParseInt(tunName[4:], 10, 16); parseErr != nil {