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avcodec/vp9: use av_freep() for above_partition_ctx
Fixes use after free if memory allocation fails. Signed-off-by: Paul B Mahol <onemda@gmail.com>
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@ -254,7 +254,7 @@ static int update_size(AVCodecContext *ctx, int w, int h)
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s->rows = (h + 7) >> 3;
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#define assign(var, type, n) var = (type) p; p += s->sb_cols * n * sizeof(*var)
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av_free(s->above_partition_ctx);
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av_freep(&s->above_partition_ctx);
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p = av_malloc(s->sb_cols * (240 + sizeof(*s->lflvl) + 16 * sizeof(*s->above_mv_ctx) +
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64 * s->sb_rows * (1 + sizeof(*s->mv[0]) * 2)));
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if (!p)
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