[Bf-blender-cvs] [a8e749f624a] master: Fix crash setting the brush with the current brush was unset

[Campbell Barton]

Commit: a8e749f624a847149658d763cf1168dfd4fc2f7f
Author: Campbell Barton
Date:   Thu Mar 26 12:46:58 2020 +1100
Branches: master
https://developer.blender.org/rBa8e749f624a847149658d763cf1168dfd4fc2f7f

Fix crash setting the brush with the current brush was unset

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

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

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

diff --git a/source/blender/editors/sculpt_paint/paint_ops.c b/source/blender/editors/sculpt_paint/paint_ops.c
index 59a0c50d402..0ed657ba460 100644
--- a/source/blender/editors/sculpt_paint/paint_ops.c
+++ b/source/blender/editors/sculpt_paint/paint_ops.c
@@ -716,7 +716,8 @@ static bool brush_generic_tool_set(bContext *C,
     brush = brush_tool_cycle(bmain, paint, brush_orig, tool);
   }
 
-  if (!brush && brush_tool(brush_orig, paint->runtime.tool_offset) != tool && create_missing) {
+  if (((brush == NULL) && create_missing) &&
+      ((brush_orig == NULL) || brush_tool(brush_orig, paint->runtime.tool_offset) != tool)) {
     brush = BKE_brush_add(bmain, tool_name, paint->runtime.ob_mode);
     id_us_min(&brush->id); /* fake user only */
     brush_tool_set(brush, paint->runtime.tool_offset, tool);