[Bf-blender-cvs] [eae2917fde9] blender-v3.4-release: Fix: crash in node poll function due to missing null check

[Jacques Lucke]

Commit: eae2917fde933a8955a4c5d65331ba4151089bdf
Author: Jacques Lucke
Date:   Tue Nov 29 13:16:13 2022 +0100
Branches: blender-v3.4-release
https://developer.blender.org/rBeae2917fde933a8955a4c5d65331ba4151089bdf

Fix: crash in node poll function due to missing null check

===================================================================

M	source/blender/nodes/intern/node_common.cc

===================================================================

diff --git a/source/blender/nodes/intern/node_common.cc b/source/blender/nodes/intern/node_common.cc
index f58b102ed3e..8491dcc8e08 100644
--- a/source/blender/nodes/intern/node_common.cc
+++ b/source/blender/nodes/intern/node_common.cc
@@ -102,7 +102,9 @@ bool nodeGroupPoll(const bNodeTree *nodetree,
     return false;
   }
   if (nodetree->type != grouptree->type) {
-    *r_disabled_hint = TIP_("Node group has different type");
+    if (r_disabled_hint) {
+      *r_disabled_hint = TIP_("Node group has different type");
+    }
     return false;
   }