From 0e46da76b70a42bab2268942cba0e0d3e4ba47e8 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Fri, 19 May 2017 15:41:26 +0200
Subject: [PATCH] Fix crash opening really old files with compositor

There was lack of certain sockets do-versaions: namely the ones
which were added in blender versions after the one used to save
the file.
---
 source/blender/blenloader/intern/versioning_270.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/blender/blenloader/intern/versioning_270.c b/source/blender/blenloader/intern/versioning_270.c
index d3260db1477..810e6507c91 100644
--- a/source/blender/blenloader/intern/versioning_270.c
+++ b/source/blender/blenloader/intern/versioning_270.c
@@ -1615,6 +1615,8 @@ void blo_do_versions_270(FileData *fd, Library *UNUSED(lib), Main *main)
 				bNode *node;
 				for (node = ntree->nodes.first; node; node = node->next) {
 					if (node->type == CMP_NODE_R_LAYERS) {
+						/* Make sure new sockets are properly created. */
+						node_verify_socket_templates(ntree, node);
 						int pass_index = 0;
 						const char *sockname;
 						for (bNodeSocket *sock = node->outputs.first; sock && pass_index < 31; sock = sock->next, pass_index++) {