[Bf-blender-cvs] [63d0ea8ecf4] blender2.8: Fix T58535 Crash on Load

[Antonioya]

Commit: 63d0ea8ecf488e330a6717365b685e1339498fdb
Author: Antonioya
Date:   Mon Dec 3 09:12:29 2018 +0100
Branches: blender2.8
https://developer.blender.org/rB63d0ea8ecf488e330a6717365b685e1339498fdb

Fix T58535 Crash on Load

The particles was not ready when the drawing cache try to use it.

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M	source/blender/draw/engines/gpencil/gpencil_draw_utils.c

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diff --git a/source/blender/draw/engines/gpencil/gpencil_draw_utils.c b/source/blender/draw/engines/gpencil/gpencil_draw_utils.c
index 932a6cc3df0..eaae8033b8b 100644
--- a/source/blender/draw/engines/gpencil/gpencil_draw_utils.c
+++ b/source/blender/draw/engines/gpencil/gpencil_draw_utils.c
@@ -1625,7 +1625,9 @@ void DRW_gpencil_populate_particles(GPENCIL_e_data *e_data, void *vedata)
 		Object *ob = cache_ob->ob;
 		if (cache_ob->is_dup_ob) {
 			GpencilBatchCache *cache = ob->runtime.gpencil_cache;
-			DRW_gpencil_shgroups_create(e_data, vedata, ob, cache, cache_ob);
+			if (cache != NULL) {
+				DRW_gpencil_shgroups_create(e_data, vedata, ob, cache, cache_ob);
+			}
 		}
 	}
 }