From b6b0e0019810dd5fad992891c5db051b8603292d Mon Sep 17 00:00:00 2001
From: Bas van Kervel <basvankervel@gmail.com>
Date: Wed, 21 Jun 2017 10:24:34 +0200
Subject: [PATCH] whisper: fallback to default config if none is specified

---
 whisper/whisperv5/whisper.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/whisper/whisperv5/whisper.go b/whisper/whisperv5/whisper.go
index cc6c65a9f..83a408dfc 100644
--- a/whisper/whisperv5/whisper.go
+++ b/whisper/whisperv5/whisper.go
@@ -109,6 +109,10 @@ type Whisper struct {
 
 // New creates a Whisper client ready to communicate through the Ethereum P2P network.
 func New(cfg *Config) *Whisper {
+	if cfg == nil {
+		cfg = &DefaultConfig
+	}
+	
 	whisper := &Whisper{
 		privateKeys:  make(map[string]*ecdsa.PrivateKey),
 		symKeys:      make(map[string][]byte),