vc1dec: raise an error if sprite picture data is missing

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

vc1dec: raise an error if sprite picture data is missing
Bug-Id: 1013 CC: libav-stable@libav.org
2e1ab6a6 · Sean McGovern · ecc5c4db · 2e1ab6a6
Commit 2e1ab6a6 authored Apr 22, 2017 by Sean McGovern
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vc1dec.c libavcodec/vc1dec.c +1 -1

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--- 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;
    }