From 83bfd6b80710d0a791782cab094048f812bbbac2 Mon Sep 17 00:00:00 2001
From: Anton Zadvorny <thcheetah@gmail.com>
Date: Mon, 12 Jul 2021 20:22:09 +0300
Subject: [PATCH] Fix type conversion in DialUDP function

---
 dialer.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dialer.go b/dialer.go
index e28cf85..04fa466 100644
--- a/dialer.go
+++ b/dialer.go
@@ -114,6 +114,10 @@ func (s *Dialer) DialContext(ctx context.Context, network string, address string
 
 func (s *Dialer) DialUDP() (net.PacketConn, error) {
 	conn, err := s.DialContext(context.Background(), "udp", "")
+	if conn == nil {
+		return nil, err
+	}
+
 	return conn.(net.PacketConn), err
 }