[FFmpeg-cvslog] Revert "avutil/frame: Disallow zero sized frame side data"

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Wed Mar  1 13:02:11 2017 +0100| [55196e5d10af7c295352bb9a2d7565efe07ce46b] | committer: Michael Niedermayer

Revert "avutil/frame: Disallow zero sized frame side data"

Found a case where we use size==0, the other related commits
remain needed, and should be sufficient to fix the original issue

This reverts commit 7e4f32f4e4b93c95dcc872cb844c5548e69f352e.

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=55196e5d10af7c295352bb9a2d7565efe07ce46b
---

 libavutil/frame.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/libavutil/frame.c b/libavutil/frame.c
index 69ee240..8811dcd 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -668,8 +668,6 @@ AVFrameSideData *av_frame_new_side_data(AVFrame *frame,
                                         enum AVFrameSideDataType type,
                                         int size)
 {
-    if (size <= 0)
-        return NULL;
 
     return frame_new_side_data(frame, type, av_buffer_alloc(size));
 }