dma-debug: use sg_dma_len accessor
debug_dma_map_sg() and debug_dma_unmap_sg() use length in struct scatterlist while debug_dma_sync_sg_for_cpu() and debug_dma_sync_sg_for_device() use dma_length. This causes bugs warnings on some IOMMU implementations since these values are not same; the length doesn't represent the dma length. We always need to use sg_dma_len() accessor to get the dma length of a scatterlist entry. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Родитель
15aedea439
Коммит
884d05970b
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@ -839,7 +839,7 @@ void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
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entry->type = dma_debug_sg;
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entry->dev = dev;
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entry->paddr = sg_phys(s);
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entry->size = s->length;
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entry->size = sg_dma_len(s);
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entry->dev_addr = sg_dma_address(s);
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entry->direction = direction;
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entry->sg_call_ents = nents;
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@ -847,7 +847,7 @@ void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
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if (!PageHighMem(sg_page(s))) {
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check_for_stack(dev, sg_virt(s));
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check_for_illegal_area(dev, sg_virt(s), s->length);
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check_for_illegal_area(dev, sg_virt(s), sg_dma_len(s));
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}
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add_dma_entry(entry);
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@ -873,7 +873,7 @@ void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
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.dev = dev,
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.paddr = sg_phys(s),
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.dev_addr = sg_dma_address(s),
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.size = s->length,
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.size = sg_dma_len(s),
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.direction = dir,
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.sg_call_ents = 0,
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};
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@ -996,7 +996,7 @@ void debug_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
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return;
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for_each_sg(sg, s, nelems, i) {
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check_sync(dev, sg_dma_address(s), s->dma_length, 0,
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check_sync(dev, sg_dma_address(s), sg_dma_len(s), 0,
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direction, true);
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}
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}
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@ -1012,7 +1012,7 @@ void debug_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
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return;
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for_each_sg(sg, s, nelems, i) {
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check_sync(dev, sg_dma_address(s), s->dma_length, 0,
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check_sync(dev, sg_dma_address(s), sg_dma_len(s), 0,
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direction, false);
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}
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}
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