[Bf-blender-cvs] [37a5fe2d4d0] master: Fix T52479: Regression: Motion Tracking no longer works

[Sergey Sharybin]

Commit: 37a5fe2d4d0c13170abc43f278d9af5c39121ff8
Author: Sergey Sharybin
Date:   Mon Aug 21 17:23:42 2017 +0200
Branches: master
https://developer.blender.org/rB37a5fe2d4d0c13170abc43f278d9af5c39121ff8

Fix T52479: Regression: Motion Tracking no longer works

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

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

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

diff --git a/source/blender/blenkernel/intern/tracking_util.c b/source/blender/blenkernel/intern/tracking_util.c
index b1a092517de..d8e98291117 100644
--- a/source/blender/blenkernel/intern/tracking_util.c
+++ b/source/blender/blenkernel/intern/tracking_util.c
@@ -848,6 +848,7 @@ static ImBuf *accessor_get_ibuf(TrackingImageAccessor *accessor,
 	                region,
 	                transform_key,
 	                final_ibuf);
+	BLI_spin_unlock(&accessor->cache_lock);
 	return final_ibuf;
 }
 
@@ -991,5 +992,6 @@ void tracking_image_accessor_destroy(TrackingImageAccessor *accessor)
 {
 	IMB_moviecache_free(accessor->cache);
 	libmv_FrameAccessorDestroy(accessor->libmv_accessor);
+	BLI_spin_end(&accessor->cache_lock);
 	MEM_freeN(accessor);
 }