7cdc61becd vga: fix region calculation
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@ -1483,6 +1483,8 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
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region_start = (s->start_addr * 4);
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region_end = region_start + (ram_addr_t)s->line_offset * height;
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region_end += width * s->get_bpp(s) / 8; /* scanline length */
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region_end -= s->line_offset;
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if (region_end > s->vbe_size) {
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/* wraps around (can happen with cirrus vbe modes) */
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region_start = 0;
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