mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/lagarith: check and propagate return value from init_get_bits8()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -427,6 +427,7 @@ static int lag_decode_arith_plane(LagarithContext *l, uint8_t *dst,
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GetBitContext gb;
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GetBitContext gb;
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lag_rac rac;
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lag_rac rac;
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const uint8_t *src_end = src + src_size;
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const uint8_t *src_end = src + src_size;
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int ret;
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rac.avctx = l->avctx;
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rac.avctx = l->avctx;
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l->zeros = 0;
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l->zeros = 0;
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@ -444,7 +445,8 @@ static int lag_decode_arith_plane(LagarithContext *l, uint8_t *dst,
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offset += 4;
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offset += 4;
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}
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}
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init_get_bits8(&gb, src + offset, src_size - offset);
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if ((ret = init_get_bits8(&gb, src + offset, src_size - offset)) < 0)
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return ret;
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if (lag_read_prob_header(&rac, &gb) < 0)
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if (lag_read_prob_header(&rac, &gb) < 0)
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return -1;
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return -1;
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