[FFmpeg-cvslog] vc1dec: raise an error if sprite picture data is missing

[Sean McGovern]

ffmpeg | branch: master | Sean McGovern <gseanmcg at gmail.com> | Sat Apr 22 19:16:34 2017 -0400| [2e1ab6a67dd5d9a30558d008aa6e541c68d76221] | committer: Sean McGovern

vc1dec: raise an error if sprite picture data is missing

Bug-Id: 1013
CC: libav-stable at libav.org

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2e1ab6a67dd5d9a30558d008aa6e541c68d76221
---

 libavcodec/vc1dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 89b4f4bdce..51745c12ec 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -270,7 +270,7 @@ static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb)
 
     vc1_parse_sprites(v, gb, &sd);
 
-    if (!s->current_picture.f->data[0]) {
+    if (!s->current_picture.f || !s->current_picture.f->data[0]) {
         av_log(avctx, AV_LOG_ERROR, "Got no sprites\n");
         return -1;
     }