[Bf-blender-cvs] [91ca3c3c0b5] master: Fix T74696: Segment fault in Noise modifier using Vertex Groups

[Antonio Vazquez]

Commit: 91ca3c3c0b52a56865d3d704e4e9c6936e298610
Author: Antonio Vazquez
Date:   Fri Mar 13 12:06:53 2020 +0100
Branches: master
https://developer.blender.org/rB91ca3c3c0b52a56865d3d704e4e9c6936e298610

Fix T74696: Segment fault in Noise modifier using Vertex Groups

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M	source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c

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diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c b/source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c
index 9b3d37bf11f..fc5cc5d10a3 100644
--- a/source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c
+++ b/source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c
@@ -182,7 +182,7 @@ static void deformStroke(GpencilModifierData *md,
   for (int i = 0; i < gps->totpoints; i++) {
     bGPDspoint *pt = &gps->points[i];
     /* verify vertex group */
-    dvert = &gps->dvert[i];
+    dvert = gps->dvert != NULL ? &gps->dvert[i] : NULL;
     float weight = get_modifier_point_weight(dvert, invert_group, def_nr);
     if (weight < 0.0f) {
       continue;