From a64a348054ee0e3dccfb167afd93a62072726112 Mon Sep 17 00:00:00 2001
From: Andreas Haas <liu.gam3@gmail.com>
Date: Sun, 29 Jan 2017 14:32:23 +0100
Subject: [PATCH] SceneTreeDock: Fix crash when dragging invalid nodes.

Fixes #7529
---
 tools/editor/scene_tree_dock.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/editor/scene_tree_dock.cpp b/tools/editor/scene_tree_dock.cpp
index b3e4c8ed70c..7eb9836648d 100644
--- a/tools/editor/scene_tree_dock.cpp
+++ b/tools/editor/scene_tree_dock.cpp
@@ -1760,7 +1760,9 @@ void SceneTreeDock::_nodes_dragged(Array p_nodes,NodePath p_to,int p_type) {
 
 	for(int i=0;i<p_nodes.size();i++) {
 		Node *n=get_node((p_nodes[i]));
-		nodes.push_back(n);
+		if (n) {
+			nodes.push_back(n);
+		}
 	}
 
 	if (nodes.size()==0)