The BUG_ON check exists in dma_pte_clear_range(), kill the duplicate check.
Signed-off-by: Kefeng Wang <[email protected]> --- drivers/iommu/intel/iommu.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index d75f59ae28e6..ea2eec87a1ea 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1163,10 +1163,6 @@ static void dma_pte_free_pagetable(struct dmar_domain *domain, unsigned long last_pfn, int retain_level) { - BUG_ON(!domain_pfn_supported(domain, start_pfn)); - BUG_ON(!domain_pfn_supported(domain, last_pfn)); - BUG_ON(start_pfn > last_pfn); - dma_pte_clear_range(domain, start_pfn, last_pfn); /* We don't need lock here; nobody else touches the iova range */ -- 2.26.2 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
