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iommu/dma: Remove redundant "!dev" checks
iommu_dma_init_domain() is now only called from iommu_setup_dma_ops(), which has already assumed dev to be non-NULL. Reviewed-by: John Garry <john.garry@huawei.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/06024523c080364390016550065e3cfe8031367e.1628682049.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
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ca84ed7f72
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1 changed files with 1 additions and 4 deletions
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@ -370,7 +370,7 @@ static int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base,
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init_iova_domain(iovad, 1UL << order, base_pfn);
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init_iova_domain(iovad, 1UL << order, base_pfn);
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if (!cookie->fq_domain && (!dev || !dev_is_untrusted(dev)) &&
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if (!cookie->fq_domain && !dev_is_untrusted(dev) &&
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domain->ops->flush_iotlb_all && !iommu_get_dma_strict(domain)) {
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domain->ops->flush_iotlb_all && !iommu_get_dma_strict(domain)) {
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if (init_iova_flush_queue(iovad, iommu_dma_flush_iotlb_all,
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if (init_iova_flush_queue(iovad, iommu_dma_flush_iotlb_all,
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iommu_dma_entry_dtor))
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iommu_dma_entry_dtor))
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@ -379,9 +379,6 @@ static int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base,
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cookie->fq_domain = domain;
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cookie->fq_domain = domain;
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}
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}
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if (!dev)
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return 0;
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return iova_reserve_iommu_regions(dev, domain);
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return iova_reserve_iommu_regions(dev, domain);
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}
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}
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