[Bf-blender-cvs] [64a2f980623] master: Fix (unreported) unauthorized relesing of derived_final DM in paint projection code.

[Bastien Montagne]

Commit: 64a2f9806238464895c726af9a96760377b3ebb6
Author: Bastien Montagne
Date:   Tue Jun 19 10:43:54 2018 +0200
Branches: master
https://developer.blender.org/rB64a2f9806238464895c726af9a96760377b3ebb6

Fix (unreported) unauthorized relesing of derived_final DM in paint projection code.

NEVER free yourself DM returned by mesh_get_derived_final(), it's always
to one assigned to ob->derived_final!

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

M	source/blender/editors/sculpt_paint/paint_image_proj.c

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

diff --git a/source/blender/editors/sculpt_paint/paint_image_proj.c b/source/blender/editors/sculpt_paint/paint_image_proj.c
index 9843629b706..6a37b3df47f 100644
--- a/source/blender/editors/sculpt_paint/paint_image_proj.c
+++ b/source/blender/editors/sculpt_paint/paint_image_proj.c
@@ -3442,7 +3442,7 @@ static bool proj_paint_state_dm_init(ProjPaintState *ps)
 		ps->dm = mesh_get_derived_final(
 		        ps->scene, ps->ob,
 		        ps->scene->customdata_mask | CD_MASK_MTFACE | (ps->do_face_sel ? CD_ORIGINDEX : 0));
-		ps->dm_release = true;
+		ps->dm_release = false;
 	}
 
 	if (!CustomData_has_layer(&ps->dm->loopData, CD_MLOOPUV)) {