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[PATCH 5/9] iommu/vt-d: Use BUG_ON instead of if () BUG()

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  [PATCH 5/9] iommu/vt-d: Use BUG_ON instead of if () BUG() Joerg Roedel <joro@8bytes.org> - 2015-08-13 19:40 +0200

#1207013 — [PATCH 5/9] iommu/vt-d: Use BUG_ON instead of if () BUG()

From: Joerg Roedel <jroedel@suse.de>

Found by a coccicheck script.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 drivers/iommu/intel-iommu.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 8834765..2a7e017 100644
--- 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);
-- 
1.9.1

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