[FFmpeg-cvslog] avcodec/vc1dec: Check buf2 for malloc failure

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Apr  6 15:06:42 2015 +0200| [a66dcfeedc68c080965cf78e1e0694967acef5af] | committer: Michael Niedermayer

avcodec/vc1dec: Check buf2 for malloc failure

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a66dcfeedc68c080965cf78e1e0694967acef5af
---

 libavcodec/vc1dec.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 7069447..6c47d45 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -483,6 +483,9 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
         }
 
         buf2  = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+        if (!buf2)
+            return AVERROR(ENOMEM);
+
         start = find_next_marker(start, end); // in WVC1 extradata first byte is its size, but can be 0 in mkv
         next  = start;
         for (; next < end; start = next) {