From 8843eb906388f9b014458f24bffb690a34ab4e5f Mon Sep 17 00:00:00 2001
From: Lukas Toenne <lukas.toenne@googlemail.com>
Date: Wed, 1 May 2013 13:28:44 +0000
Subject: Fix for bug reported by Thomas Dinges on IRC: OSL script node was not
 initializing the data_type variable for shader sockets and so tried to set a
 non-existing float RNA property, leading to failed assert.

---
 intern/cycles/blender/blender_python.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/intern/cycles/blender/blender_python.cpp b/intern/cycles/blender/blender_python.cpp
index f7a05463f66..6c3b137fd52 100644
--- a/intern/cycles/blender/blender_python.cpp
+++ b/intern/cycles/blender/blender_python.cpp
@@ -258,6 +258,7 @@ static PyObject *osl_update_node_func(PyObject *self, PyObject *args)
 		
 		if(param->isclosure) {
 			socket_type = "NodeSocketShader";
+			data_type = BL::NodeSocket::type_SHADER;
 		}
 		else if(param->type.vecsemantics == TypeDesc::COLOR) {
 			socket_type = "NodeSocketColor";
-- 
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