[Bf-blender-cvs] [a12265f0488] blender-v3.1-release: Fix T95353: Crash with proxy auto building

[Richard Antalik]

Commit: a12265f0488fda1d67910a26293845ba5937c87e
Author: Richard Antalik
Date:   Tue Feb 1 22:46:04 2022 +0100
Branches: blender-v3.1-release
https://developer.blender.org/rBa12265f0488fda1d67910a26293845ba5937c87e

Fix T95353: Crash with proxy auto building

Proxy building data were freed before process was started.

Reviewed By: sergey

Differential Revision: https://developer.blender.org/D13972

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

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

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

diff --git a/source/blender/editors/space_sequencer/sequencer_add.c b/source/blender/editors/space_sequencer/sequencer_add.c
index 15ee35f375d..aef6b30986d 100644
--- a/source/blender/editors/space_sequencer/sequencer_add.c
+++ b/source/blender/editors/space_sequencer/sequencer_add.c
@@ -739,15 +739,15 @@ static int sequencer_add_movie_strip_exec(bContext *C, wmOperator *op)
     return OPERATOR_CANCELLED;
   }
 
-  /* Free custom data. */
-  sequencer_add_cancel(C, op);
-  SEQ_collection_free(movie_strips);
-
   seq_build_proxy(C, movie_strips);
   DEG_relations_tag_update(bmain);
   DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
+  /* Free custom data. */
+  sequencer_add_cancel(C, op);
+  SEQ_collection_free(movie_strips);
+
   return OPERATOR_FINISHED;
 }