[FFmpeg-cvslog] lavf/tee: fix side data double free.

[Nicolas George]

ffmpeg | branch: master | Nicolas George <george at nsup.org> | Sat Oct 10 15:19:43 2015 +0200| [1acc90eaa54ad82a21474ed759b8ed3a0f3d482d] | committer: Michael Niedermayer

lavf/tee: fix side data double free.

Similar to 33fefdb44.
Fix trac ticket #4921.

Signed-off-by: Nicolas George <george at nsup.org>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1acc90eaa54ad82a21474ed759b8ed3a0f3d482d
---

 libavformat/tee.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/tee.c b/libavformat/tee.c
index af52a49..821d23d 100644
--- a/libavformat/tee.c
+++ b/libavformat/tee.c
@@ -424,6 +424,8 @@ static int filter_packet(void *log_ctx, AVPacket *pkt,
         }
 
         if (ret > 0) {
+            pkt->side_data = NULL;
+            pkt->side_data_elems = 0;
             av_packet_unref(pkt);
             new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
                                            av_buffer_default_free, NULL, 0);