[Bf-blender-cvs] [ad39489] alembic_basic_io: Fix crash dereferncing null pointer.

[Kévin Dietrich]

Commit: ad39489f69774f4462e1072c3ad603ab4085b323
Author: Kévin Dietrich
Date:   Sat Jun 11 12:33:55 2016 +0200
Branches: alembic_basic_io
https://developer.blender.org/rBad39489f69774f4462e1072c3ad603ab4085b323

Fix crash dereferncing null pointer.

Not sure this is the right fix, jugding from the area of code, either it
is wrong fix or the bug was never triggered.

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

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

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

diff --git a/source/blender/blenkernel/intern/cdderivedmesh.c b/source/blender/blenkernel/intern/cdderivedmesh.c
index 267f7a6..d917a3f 100644
--- a/source/blender/blenkernel/intern/cdderivedmesh.c
+++ b/source/blender/blenkernel/intern/cdderivedmesh.c
@@ -3404,7 +3404,7 @@ void CDDM_calc_edges(DerivedMesh *dm)
 		BLI_edgehashIterator_getKey(ehi, &med->v1, &med->v2);
 		j = GET_INT_FROM_POINTER(BLI_edgehashIterator_getValue(ehi));
 
-		if (j == 0) {
+		if (j == 0 || !eindex) {
 			med->flag = ME_EDGEDRAW | ME_EDGERENDER;
 			*index = ORIGINDEX_NONE;
 		}