Fix T94534: dangling pointer in internal link after removing socket

The dangling pointer caused errors further down the line.
The solution is to simply delete an internal link when one
of the corresponding sockets is removed (just like normal
links are removed as well).

1 files changed, 8 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/node.cc b/source/blender/blenkernel/intern/node.cc
index bd199cff485..51fc7b99fce 100644
--- a/source/blender/blenkernel/intern/node.cc
+++ b/source/blender/blenkernel/intern/node.cc
@@ -1947,6 +1947,14 @@ void nodeRemoveSocketEx(struct bNodeTree *ntree,
     }
   }
 
+  LISTBASE_FOREACH_MUTABLE (bNodeLink *, link, &node->internal_links) {
+    if (link->fromsock == sock || link->tosock == sock) {
+      BLI_remlink(&node->internal_links, link);
+      MEM_freeN(link);
+      BKE_ntree_update_tag_node_internal_link(ntree, node);
+    }
+  }
+
   /* this is fast, this way we don't need an in_out argument */
   BLI_remlink(&node->inputs, sock);
   BLI_remlink(&node->outputs, sock);