1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index 712e97a77f0..ee02fabe6a8 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -141,6 +141,9 @@ typedef struct bNodeSocketType {
 
   /* for standard socket types in C */
   int type, subtype;
+
+  /* Callback to free the socket type. */
+  void (*free_self)(struct bNodeSocketType *stype);
 } bNodeSocketType;
 
 typedef void *(*NodeInitExecFunction)(struct bNodeExecContext *context,
@@ -167,7 +170,6 @@ typedef int (*NodeGPUExecFunction)(struct GPUMaterial *mat,
  */
 typedef struct bNodeType {
   void *next, *prev;
-  short needs_free; /* set for allocated types that need to be freed */
 
   char idname[64]; /* identifier name */
   int type;
@@ -247,6 +249,8 @@ typedef struct bNodeType {
   /* Update the internal links list, for muting and disconnect operators. */
   void (*update_internal_links)(struct bNodeTree *, struct bNode *node);
 
+  void (*free_self)(struct bNodeType *ntype);
+
   /* **** execution callbacks **** */
   NodeInitExecFunction initexecfunc;
   NodeFreeExecFunction freeexecfunc;