intel-iommu: fix sg_page()
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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@ -1962,7 +1962,7 @@ static void intel_free_coherent(struct device *hwdev, size_t size,
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free_pages((unsigned long)vaddr, order);
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}
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#define SG_ENT_VIRT_ADDRESS(sg) (page_address((sg)->page) + (sg)->offset)
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#define SG_ENT_VIRT_ADDRESS(sg) (sg_virt((sg)))
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static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
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int nelems, int dir)
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{
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@ -2010,7 +2010,7 @@ static int intel_nontranslate_map_sg(struct device *hddev,
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struct scatterlist *sg;
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for_each_sg(sglist, sg, nelems, i) {
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BUG_ON(!sg->page);
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BUG_ON(!sg_page(sg));
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sg->dma_address = virt_to_bus(SG_ENT_VIRT_ADDRESS(sg));
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sg->dma_length = sg->length;
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}
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