[Bf-blender-cvs] [34d8df4aba9] sculpt-dev: sculpt-dev: fix another pbvh cache crash

[Joseph Eagar]

Commit: 34d8df4aba984eac71b6d5d54d9cd8a29d5fb06d
Author: Joseph Eagar
Date:   Thu Mar 24 10:38:25 2022 -0700
Branches: sculpt-dev
https://developer.blender.org/rB34d8df4aba984eac71b6d5d54d9cd8a29d5fb06d

sculpt-dev: fix another pbvh cache crash

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

M	source/blender/blenkernel/intern/pbvh.c

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

diff --git a/source/blender/blenkernel/intern/pbvh.c b/source/blender/blenkernel/intern/pbvh.c
index a2bf701547e..88cdd3dc713 100644
--- a/source/blender/blenkernel/intern/pbvh.c
+++ b/source/blender/blenkernel/intern/pbvh.c
@@ -5167,6 +5167,10 @@ void BKE_pbvh_pmap_aquire(SculptPMap *pmap)
 
 bool BKE_pbvh_pmap_release(SculptPMap *pmap)
 {
+  if (!pmap) {
+    return false;
+  }
+
   pmap->refcount--;
 
   if (pmap->refcount == 0) {