From 45d618b710483ee1ae42cbdfcaa0406f1132f384 Mon Sep 17 00:00:00 2001
From: Renaud G <renaud@rolisteam.org>
Date: Fri, 20 Jul 2018 18:04:13 +0200
Subject: prevent crash when b operator is read without previous result

---
 node/bind.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'node')

diff --git a/node/bind.cpp b/node/bind.cpp
index 8868485..a179069 100644
--- a/node/bind.cpp
+++ b/node/bind.cpp
@@ -29,6 +29,9 @@ BindNode::BindNode()
 void BindNode::run(ExecutionNode* previous)
 {
     m_previousNode = previous;
+    if(nullptr == m_previousNode)
+        return;
+
     m_result->setPrevious(previous->getResult());
     for(auto start : *m_startList)
     {
-- 
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