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H A D | dma-mapping.c | d5898291 Fri Feb 08 03:54:48 CST 2013 Marek Szyprowski <m.szyprowski@samsung.com> ARM: DMA-mapping: fix memory leak in IOMMU dma-mapping implementation
This patch removes page_address() usage in IOMMU-aware dma-mapping implementation and replaced it with direct use of the cpu virtual address provided by the caller. page_address() returned incorrect address for pages remapped in atomic pool, what caused memory leak.
Reported-by: Hiroshi Doyu <hdoyu@nvidia.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Hiroshi Doyu <hdoyu@nvidia.com> d5898291 Fri Feb 08 03:54:48 CST 2013 Marek Szyprowski <m.szyprowski@samsung.com> ARM: DMA-mapping: fix memory leak in IOMMU dma-mapping implementation This patch removes page_address() usage in IOMMU-aware dma-mapping implementation and replaced it with direct use of the cpu virtual address provided by the caller. page_address() returned incorrect address for pages remapped in atomic pool, what caused memory leak. Reported-by: Hiroshi Doyu <hdoyu@nvidia.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Hiroshi Doyu <hdoyu@nvidia.com>
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