From b9c1a08db09925939424c826885adfd753a8cd13 Mon Sep 17 00:00:00 2001
From: Juan Batiz-Benet <juan@benet.ai>
Date: Thu, 18 Jun 2015 14:39:26 -0700
Subject: [PATCH] WrapNetConn: err on nil input

License: MIT
Signed-off-by: Juan Batiz-Benet <juan@benet.ai>
---
 net.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net.go b/net.go
index abb7cea..828a318 100644
--- a/net.go
+++ b/net.go
@@ -26,6 +26,9 @@ type Conn interface {
 // WrapNetConn wraps a net.Conn object with a Multiaddr
 // friendly Conn.
 func WrapNetConn(nconn net.Conn) (Conn, error) {
+	if nconn == nil {
+		return nil, fmt.Errorf("failed to convert nconn.LocalAddr: nil")
+	}
 
 	laddr, err := FromNetAddr(nconn.LocalAddr())
 	if err != nil {