iommu/vt-d: Use BUG_ON instead of if () BUG()

Found by a coccicheck script.

Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 8834765..2a7e017 100644 (file)
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4760,8 +4760,7 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain,
 
        /* Cope with horrid API which requires us to unmap more than the
           size argument if it happens to be a large-page mapping. */
-       if (!pfn_to_dma_pte(dmar_domain, iova >> VTD_PAGE_SHIFT, &level))
-               BUG();
+       BUG_ON(!pfn_to_dma_pte(dmar_domain, iova >> VTD_PAGE_SHIFT, &level));
 
        if (size < VTD_PAGE_SIZE << level_to_offset_bits(level))
                size = VTD_PAGE_SIZE << level_to_offset_bits(level);