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Prevent NULL dereference when the huffman table is invalid in the 4xm decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -601,9 +601,10 @@ static const uint8_t *read_huffman_tables(FourXContext *f, const uint8_t * const
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len_tab[j]= len;
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}
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init_vlc(&f->pre_vlc, ACDC_VLC_BITS, 257,
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len_tab , 1, 1,
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bits_tab, 4, 4, 0);
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if (init_vlc(&f->pre_vlc, ACDC_VLC_BITS, 257,
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len_tab , 1, 1,
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bits_tab, 4, 4, 0))
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return NULL;
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return ptr;
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}
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