[Bf-blender-cvs] [412fdc96988] blender-v3.4-release: Fix crash when dragging video into VSE preview area

[Richard Antalik]

Commit: 412fdc9698811014c0720640c4ddddaf5009d260
Author: Richard Antalik
Date:   Tue Nov 29 19:03:40 2022 +0100
Branches: blender-v3.4-release
https://developer.blender.org/rB412fdc9698811014c0720640c4ddddaf5009d260

Fix crash when dragging video into VSE preview area

Caused by NULL dereference, because `Editing` data were not initialized.
Ensure data are initialized prior to using them.

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

M	source/blender/editors/space_sequencer/sequencer_drag_drop.c

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

diff --git a/source/blender/editors/space_sequencer/sequencer_drag_drop.c b/source/blender/editors/space_sequencer/sequencer_drag_drop.c
index c892e7d7e55..da91f94d509 100644
--- a/source/blender/editors/space_sequencer/sequencer_drag_drop.c
+++ b/source/blender/editors/space_sequencer/sequencer_drag_drop.c
@@ -285,7 +285,7 @@ static void sequencer_drop_copy(bContext *C, wmDrag *drag, wmDropBox *drop)
     /* We are dropped inside the preview region. Put the strip on top of the
      * current displayed frame. */
     Scene *scene = CTX_data_scene(C);
-    Editing *ed = SEQ_editing_get(scene);
+    Editing *ed = SEQ_editing_ensure(scene);
     ListBase *seqbase = SEQ_active_seqbase_get(ed);
     ListBase *channels = SEQ_channels_displayed_get(ed);
     SpaceSeq *sseq = CTX_wm_space_seq(C);