[FFmpeg-cvslog] pngdec: check for bprint finalization sucess on icc data parsing

[Rostislav Pehlivanov]

ffmpeg | branch: master | Rostislav Pehlivanov <atomnuker at gmail.com> | Thu Nov  9 02:34:54 2017 +0000| [723b6baaf8db43d0872bad504c4f4c780b53516b] | committer: Rostislav Pehlivanov

pngdec: check for bprint finalization sucess on icc data parsing

It can fail in case of OOM.

Signed-off-by: Rostislav Pehlivanov <atomnuker at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=723b6baaf8db43d0872bad504c4f4c780b53516b
---

 libavcodec/pngdec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 0d6612ccca..5a3d288374 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -862,6 +862,8 @@ static int decode_iccp_chunk(PNGDecContext *s, int length, AVFrame *f)
         return ret;
 
     av_bprint_finalize(&bp, (char **)&data);
+    if (!data)
+        return AVERROR(ENOMEM);
 
     sd = av_frame_new_side_data(f, AV_FRAME_DATA_ICC_PROFILE, bp.len);
     if (!sd) {