[Bf-blender-cvs] [9cac97fb3cb] blender2.8: Fix sculpt error freeing NULL vertex buffer

[Campbell Barton]

Commit: 9cac97fb3cb2c737266bc3c8b34494fbea5ff7f2
Author: Campbell Barton
Date:   Fri Jan 19 19:35:27 2018 +1100
Branches: blender2.8
https://developer.blender.org/rB9cac97fb3cb2c737266bc3c8b34494fbea5ff7f2

Fix sculpt error freeing NULL vertex buffer

Relates to T53806 which needs further investigation

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

M	source/blender/gpu/intern/gpu_buffers.c

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

diff --git a/source/blender/gpu/intern/gpu_buffers.c b/source/blender/gpu/intern/gpu_buffers.c
index 8779bd71b81..d0efee79ab0 100644
--- a/source/blender/gpu/intern/gpu_buffers.c
+++ b/source/blender/gpu/intern/gpu_buffers.c
@@ -1936,7 +1936,7 @@ void GPU_pbvh_buffers_free(GPU_PBVH_Buffers *buffers)
 			GWN_INDEXBUF_DISCARD_SAFE(buffers->index_buf);
 		}
 		GWN_INDEXBUF_DISCARD_SAFE(buffers->index_buf_fast);
-		GWN_vertbuf_discard(buffers->vert_buf);
+		GWN_VERTBUF_DISCARD_SAFE(buffers->vert_buf);
 
 #ifdef USE_BASE_ELEM
 		if (buffers->baseelemarray)