avcodec/smacker: Check init_get_bits8() for failure
Fixes: CID1322314 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -316,7 +316,9 @@ static int decode_header_trees(SmackVContext *smk) {
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full_size = AV_RL32(smk->avctx->extradata + 8);
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type_size = AV_RL32(smk->avctx->extradata + 12);
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init_get_bits8(&gb, smk->avctx->extradata + 16, smk->avctx->extradata_size - 16);
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ret = init_get_bits8(&gb, smk->avctx->extradata + 16, smk->avctx->extradata_size - 16);
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if (ret < 0)
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return ret;
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if(!get_bits1(&gb)) {
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av_log(smk->avctx, AV_LOG_INFO, "Skipping MMAP tree\n");
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