From: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Tue, 5 Feb 2019 12:55:33 +0000 (+0900)
Subject: conn: close ipv4 socket when ipv6 socket fails
X-Git-Tag: 0.0.20190409~94
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7f63765d1ea5e5ce6bc6757d5ad335dcdb4f2a1;p=thirdparty%2Fwireguard-go.git

conn: close ipv4 socket when ipv6 socket fails
---

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