iommu/vt-d: Use BUG_ON instead of if () BUG()
Found by a coccicheck script. Signed-off-by: Joerg Roedel <jroedel@suse.de>
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@ -4760,8 +4760,7 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain,
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/* Cope with horrid API which requires us to unmap more than the
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size argument if it happens to be a large-page mapping. */
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if (!pfn_to_dma_pte(dmar_domain, iova >> VTD_PAGE_SHIFT, &level))
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BUG();
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BUG_ON(!pfn_to_dma_pte(dmar_domain, iova >> VTD_PAGE_SHIFT, &level));
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if (size < VTD_PAGE_SIZE << level_to_offset_bits(level))
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size = VTD_PAGE_SIZE << level_to_offset_bits(level);
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