lavc/gifdec: move idx_line allocation out of gif_read_header1()
Now allocation is done only if av_image_check_size() passes. Signed-off-by: Paul B Mahol <onemda@gmail.com>
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				@ -376,10 +376,6 @@ static int gif_read_header1(GifState *s)
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        return AVERROR_INVALIDDATA;
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    }
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    av_fast_malloc(&s->idx_line, &s->idx_line_size, s->screen_width);
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    if (!s->idx_line)
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        return AVERROR(ENOMEM);
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    v = bytestream2_get_byteu(&s->gb);
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    s->color_resolution = ((v & 0x70) >> 4) + 1;
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    s->has_global_palette = (v & 0x80);
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@ -486,6 +482,10 @@ static int gif_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, A
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            return ret;
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        }
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        av_fast_malloc(&s->idx_line, &s->idx_line_size, s->screen_width);
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        if (!s->idx_line)
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            return AVERROR(ENOMEM);
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        s->picture.pict_type = AV_PICTURE_TYPE_I;
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        s->picture.key_frame = 1;
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        s->keyframe_ok = 1;
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