From f7f63765d1ea5e5ce6bc6757d5ad335dcdb4f2a1 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Tue, 5 Feb 2019 21:55:33 +0900
Subject: [PATCH] conn: close ipv4 socket when ipv6 socket fails

---
 conn_default.go | 1 -
 1 file changed, 1 deletion(-)

diff --git a/conn_default.go b/conn_default.go
index 549483c..6f17de5 100644
--- a/conn_default.go
+++ b/conn_default.go
@@ -111,7 +111,6 @@ func CreateBind(uport uint16, device *Device) (Bind, uint16, error) {
 
 	bind.ipv6, port, err = listenNet("udp6", port)
 	if err != nil && extractErrno(err) != syscall.EAFNOSUPPORT {
-		return nil, 0, err
 		bind.ipv4.Close()
 		bind.ipv4 = nil
 		return nil, 0, err