[Bf-blender-cvs] [ded49409011] master: Fix possible dereference of nullptr mask

[Sergey Sharybin]

Commit: ded494090114696dfc1c919205ff890c20c62bd2
Author: Sergey Sharybin
Date:   Wed Jan 27 16:54:09 2021 +0100
Branches: master
https://developer.blender.org/rBded494090114696dfc1c919205ff890c20c62bd2

Fix possible dereference of nullptr mask

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

M	source/blender/editors/mask/mask_query.c

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

diff --git a/source/blender/editors/mask/mask_query.c b/source/blender/editors/mask/mask_query.c
index 8f4f14a1ba8..eace146dbe9 100644
--- a/source/blender/editors/mask/mask_query.c
+++ b/source/blender/editors/mask/mask_query.c
@@ -609,17 +609,17 @@ bool ED_mask_selected_minmax(const bContext *C, float min[2], float max[2], bool
   Depsgraph *depsgraph = CTX_data_depsgraph_pointer(C);
   Mask *mask = CTX_data_edit_mask(C);
 
-  /* Use evaluated mask to take animation into account.
-   * The animation of splies is not "flushed" back to original, so need to explicitly
-   * sue evaluated datablock here. */
-  Mask *mask_eval = (Mask *)DEG_get_evaluated_id(depsgraph, &mask->id);
-
   bool ok = false;
 
   if (mask == NULL) {
     return ok;
   }
 
+  /* Use evaluated mask to take animation into account.
+   * The animation of splies is not "flushed" back to original, so need to explicitly
+   * sue evaluated datablock here. */
+  Mask *mask_eval = (Mask *)DEG_get_evaluated_id(depsgraph, &mask->id);
+
   INIT_MINMAX2(min, max);
   for (MaskLayer *mask_layer = mask_eval->masklayers.first; mask_layer != NULL;
        mask_layer = mask_layer->next) {