[Bf-blender-cvs] [ff0a29df145] blender2.8: Fix crash entering editmode

[Campbell Barton]

Commit: ff0a29df1458c0890c6f4f6f2fd252765d142423
Author: Campbell Barton
Date:   Wed Nov 28 20:26:07 2018 +1100
Branches: blender2.8
https://developer.blender.org/rBff0a29df1458c0890c6f4f6f2fd252765d142423

Fix crash entering editmode

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

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

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

diff --git a/source/blender/blenkernel/intern/layer_utils.c b/source/blender/blenkernel/intern/layer_utils.c
index 556ccdd3f92..2d446af9ac8 100644
--- a/source/blender/blenkernel/intern/layer_utils.c
+++ b/source/blender/blenkernel/intern/layer_utils.c
@@ -75,8 +75,10 @@ Base **BKE_view_layer_array_from_bases_in_mode_params(
 		BLI_array_append(base_array, base_iter);
 	} FOREACH_BASE_IN_MODE_END;
 
-	if (base_array != NULL) {
-		base_array = MEM_reallocN(base_array, sizeof(*base_array) * BLI_array_len(base_array));
+	base_array = MEM_reallocN(base_array, sizeof(*base_array) * BLI_array_len(base_array));
+	/* We always need a valid allocation (prevent crash on free). */
+	if (base_array == NULL) {
+		base_array = MEM_mallocN(0, __func__);
 	}
 	*r_len = BLI_array_len(base_array);
 	return base_array;