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intel-iommu: fix sg_page()

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Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
FUJITA Tomonori 2007-10-23 09:32:25 +02:00 committed by Jens Axboe
parent b61e8f4844
commit 12d4d40e6f
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/intel-iommu.c
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@ -1962,7 +1962,7 @@ static void intel_free_coherent(struct device *hwdev, size_t size,
free_pages((unsigned long)vaddr, order); free_pages((unsigned long)vaddr, order);
} }
#define SG_ENT_VIRT_ADDRESS(sg) (page_address((sg)->page) + (sg)->offset) #define SG_ENT_VIRT_ADDRESS(sg) (sg_virt((sg)))
static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist, static void intel_unmap_sg(struct device *hwdev, struct scatterlist *sglist,
int nelems, int dir) int nelems, int dir)
{ {
@ -2010,7 +2010,7 @@ static int intel_nontranslate_map_sg(struct device *hddev,
struct scatterlist *sg; struct scatterlist *sg;
for_each_sg(sglist, sg, nelems, i) { for_each_sg(sglist, sg, nelems, i) {
BUG_ON(!sg->page); BUG_ON(!sg_page(sg));
sg->dma_address = virt_to_bus(SG_ENT_VIRT_ADDRESS(sg)); sg->dma_address = virt_to_bus(SG_ENT_VIRT_ADDRESS(sg));
sg->dma_length = sg->length; sg->dma_length = sg->length;
} }