[Bf-blender-cvs] [6b38c8a1ac1] master: Fix T70441: crash after deleting a material output node
Philipp Oeser
noreply at git.blender.org
Wed Oct 2 14:03:01 CEST 2019
Commit: 6b38c8a1ac1bb480446d133a6704de1c5ecd1e28
Author: Philipp Oeser
Date: Wed Oct 2 12:50:14 2019 +0200
Branches: master
https://developer.blender.org/rB6b38c8a1ac1bb480446d133a6704de1c5ecd1e28
Fix T70441: crash after deleting a material output node
Caused by 5c79f2d0fba7.
If no valid node_start is provided, we can just skip (e.g.
'ntree_shader_bump_branches' is not done then, but this is not
neccessary without a valid eevee output node anyways...).
Maniphest Tasks: T70441
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D5969
===================================================================
M source/blender/blenkernel/intern/node.c
===================================================================
diff --git a/source/blender/blenkernel/intern/node.c b/source/blender/blenkernel/intern/node.c
index 0ef35bd3d06..4ddfd879657 100644
--- a/source/blender/blenkernel/intern/node.c
+++ b/source/blender/blenkernel/intern/node.c
@@ -990,6 +990,10 @@ void nodeChainIterBackwards(const bNodeTree *ntree,
bool (*callback)(bNode *, bNode *, void *),
void *userdata)
{
+ if (!node_start) {
+ return;
+ }
+
/* Reset flag. */
LISTBASE_FOREACH (bNode *, node, &ntree->nodes) {
node->iter_flag = 0;
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