indeo: check that band output buffer exists

96037382 · Kostya Shishkov · 23ba1503 · 96037382
Commit 96037382 authored May 19, 2012 by Kostya Shishkov
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ivi_common.c libavcodec/ivi_common.c +4 -0

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--- a/libavcodec/ivi_common.c
+++ b/libavcodec/ivi_common.c
@@ -641,6 +641,10 @@ static int decode_band(IVI45DecContext *ctx, int plane_num,
    IVITile     *tile;
    band->buf     = band->bufs[ctx->dst_buf];
+    if (!band->buf) {
+        av_log(avctx, AV_LOG_ERROR, "Band buffer points to no data!\n");
+        return AVERROR_INVALIDDATA;
+    }
    band->ref_buf = band->bufs[ctx->ref_buf];
    band->data_ptr = ctx->frame_data + (get_bits_count(&ctx->gb) >> 3);