Commit: 2833f2b9bfa2bc9610ec8782f349fdfa1763fc3f
Author: Campbell Barton
Date: Sun Jan 24 15:20:02 2021 +1100
Branches: blender-v2.83-release
https://developer.blender.org/rB2833f2b9bfa2bc9610ec8782f349fdfa1763fc3f
Fix T84988: Armature symmetries crashes with action constraint
Action constraint without an action pointer set was crashing.
===================================================================
M source/blender/editors/armature/armature_add.c
===================================================================
diff --git a/source/blender/editors/armature/armature_add.c
b/source/blender/editors/armature/armature_add.c
index d941f8ce95f..fec880219bd 100644
--- a/source/blender/editors/armature/armature_add.c
+++ b/source/blender/editors/armature/armature_add.c
@@ -516,7 +516,8 @@ static void
updateDuplicateActionConstraintSettings(EditBone *dup_bone,
/* See if there is any channels that uses this bone */
ListBase ani_curves;
BLI_listbase_clear(&ani_curves);
- if (list_find_data_fcurves(&ani_curves, &act->curves, "pose.bones[",
orig_bone->name)) {
+ if ((act != NULL) &&
+ list_find_data_fcurves(&ani_curves, &act->curves, "pose.bones[",
orig_bone->name)) {
/* Create a copy and mirror the animation */
for (LinkData *ld = ani_curves.first; ld; ld = ld->next) {
FCurve *old_curve = ld->data;
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