[FFmpeg-cvslog] lavfi/vf_deshake_opencl: Avoid propagating uninitialised data

[Mark Thompson]

ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Sun Sep 29 17:46:03 2019 +0100| [f130b221196cf82e19be78aa810125a41eb340fc] | committer: Mark Thompson

lavfi/vf_deshake_opencl: Avoid propagating uninitialised data

Fixes CID 1452753.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f130b221196cf82e19be78aa810125a41eb340fc
---

 libavfilter/vf_deshake_opencl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavfilter/vf_deshake_opencl.c b/libavfilter/vf_deshake_opencl.c
index c914a77d83..0ef015808f 100644
--- a/libavfilter/vf_deshake_opencl.c
+++ b/libavfilter/vf_deshake_opencl.c
@@ -757,6 +757,8 @@ static FrameDelta decompose_transform(double *model)
     double f = model[5];
     double delta = a * d - b * c;
 
+    memset(&ret, 0, sizeof(ret));
+
     ret.translation.s[0] = e;
     ret.translation.s[1] = f;