[Bf-blender-cvs] [4e27f63] master: Fix T43560: crash when loading old (2.45 here) file whith multires.

[Bastien Montagne]

Commit: 4e27f638286ea011ed4ddf6e6ec0f419ac01ab4a
Author: Bastien Montagne
Date:   Wed Feb 4 21:43:01 2015 +0100
Branches: master
https://developer.blender.org/rB4e27f638286ea011ed4ddf6e6ec0f419ac01ab4a

Fix T43560: crash when loading old (2.45 here) file whith multires.

Was trying to free a NULL pointer...

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

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

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

diff --git a/source/blender/blenkernel/intern/multires.c b/source/blender/blenkernel/intern/multires.c
index 0adc65b..220d0f7 100644
--- a/source/blender/blenkernel/intern/multires.c
+++ b/source/blender/blenkernel/intern/multires.c
@@ -1641,7 +1641,8 @@ void multires_free(Multires *mr)
 			lvl = lvl->next;
 		}
 
-		MEM_freeN(mr->verts);
+		/* mr->verts may be NULL when loading old files, see direct_link_mesh() in readfile.c, and T43560. */
+		MEM_SAFE_FREE(mr->verts);
 
 		BLI_freelistN(&mr->levels);