[Bf-blender-cvs] [30aa67d5d57] master: Fix T69558: crash in BKE_scene_update_sound for a soundstrip without linked sound

[Philipp Oeser]

Commit: 30aa67d5d57b3ee4a1f72bfdbb5ee53600ce7fcd
Author: Philipp Oeser
Date:   Wed Sep 11 17:36:52 2019 +0200
Branches: master
https://developer.blender.org/rB30aa67d5d57b3ee4a1f72bfdbb5ee53600ce7fcd

Fix T69558: crash in BKE_scene_update_sound for a soundstrip without
linked sound

Crash could be triggered by just adding any object to the scene.

Reviewers: sergey

Maniphest Tasks: T69558

Differential Revision: https://developer.blender.org/D5764

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

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

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

diff --git a/source/blender/blenkernel/intern/sequencer.c b/source/blender/blenkernel/intern/sequencer.c
index dca6f05e0de..14096335626 100644
--- a/source/blender/blenkernel/intern/sequencer.c
+++ b/source/blender/blenkernel/intern/sequencer.c
@@ -4933,7 +4933,7 @@ static bool sequencer_refresh_sound_length_recursive(Main *bmain, Scene *scene,
         changed = true;
       }
     }
-    else if (seq->type == SEQ_TYPE_SOUND_RAM) {
+    else if (seq->type == SEQ_TYPE_SOUND_RAM && seq->sound) {
       const float length = BKE_sound_get_length(bmain, seq->sound);
       int old = seq->len;
       float fac;