[Bf-blender-cvs] [39f706a76c1] master: Cleanup: fix attr_nonnull error found by asan

[Chris Blackbourn]

Commit: 39f706a76c1db12e4d6e9f89bc9ed0a522ec2562
Author: Chris Blackbourn
Date:   Wed Aug 10 16:55:43 2022 +1200
Branches: master
https://developer.blender.org/rB39f706a76c1db12e4d6e9f89bc9ed0a522ec2562

Cleanup: fix attr_nonnull error found by asan

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

M	source/blender/geometry/intern/uv_parametrizer.cc

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

diff --git a/source/blender/geometry/intern/uv_parametrizer.cc b/source/blender/geometry/intern/uv_parametrizer.cc
index ae2794bf9bc..26de4679768 100644
--- a/source/blender/geometry/intern/uv_parametrizer.cc
+++ b/source/blender/geometry/intern/uv_parametrizer.cc
@@ -3733,8 +3733,10 @@ void GEO_uv_parametrizer_delete(ParamHandle *phandle)
   BLI_memarena_free(phandle->polyfill_arena);
   BLI_heap_free(phandle->polyfill_heap, NULL);
 
-  BLI_rng_free(phandle->rng);
-  phandle->rng = NULL;
+  if (phandle->rng) {
+    BLI_rng_free(phandle->rng);
+    phandle->rng = NULL;
+  }
 
   MEM_freeN(phandle);
 }