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dma-direct: use the correct size for dma_set_encrypted()
commit3be4562584
upstream. The third parameter of dma_set_encrypted() is a size in bytes rather than the number of pages. Fixes:4d0564785b
("dma-direct: factor out dma_set_{de,en}crypted helpers") Signed-off-by: Dexuan Cui <decui@microsoft.com> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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fcb07b82c3
commit
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1 changed files with 2 additions and 3 deletions
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@ -323,7 +323,7 @@ void dma_direct_free(struct device *dev, size_t size,
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} else {
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if (IS_ENABLED(CONFIG_ARCH_HAS_DMA_CLEAR_UNCACHED))
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arch_dma_clear_uncached(cpu_addr, size);
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if (dma_set_encrypted(dev, cpu_addr, 1 << page_order))
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if (dma_set_encrypted(dev, cpu_addr, size))
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return;
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}
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@ -360,7 +360,6 @@ void dma_direct_free_pages(struct device *dev, size_t size,
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struct page *page, dma_addr_t dma_addr,
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enum dma_data_direction dir)
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{
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unsigned int page_order = get_order(size);
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void *vaddr = page_address(page);
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/* If cpu_addr is not from an atomic pool, dma_free_from_pool() fails */
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@ -368,7 +367,7 @@ void dma_direct_free_pages(struct device *dev, size_t size,
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dma_free_from_pool(dev, vaddr, size))
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return;
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if (dma_set_encrypted(dev, vaddr, 1 << page_order))
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if (dma_set_encrypted(dev, vaddr, size))
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return;
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__dma_direct_free_pages(dev, page, size);
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}
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