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| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2010-05-11 14:06:43 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-26 14:29:14 -0700 |
| commit | c7c781e8307febc10ce5f25adad79d8d4f65104e (patch) | |
| tree | dadd5e1278b4ba74d84342a92c5228b761ac4c36 | |
| parent | 38f2212686db52d61ed5d86fd6c69ae5f65d6449 (diff) | |
| download | lwn-c7c781e8307febc10ce5f25adad79d8d4f65104e.tar.gz lwn-c7c781e8307febc10ce5f25adad79d8d4f65104e.zip | |
dma-mapping: fix dma_sync_single_range_*
commit f33d7e2d2d113a63772bbc993cdec3b5327f0ef1 upstream.
dma_sync_single_range_for_cpu() and dma_sync_single_range_for_device() use
a wrong address with a partial synchronization.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | include/asm-generic/dma-mapping-common.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h index e694263445f7..69206957b72c 100644 --- a/include/asm-generic/dma-mapping-common.h +++ b/include/asm-generic/dma-mapping-common.h @@ -131,7 +131,7 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev, debug_dma_sync_single_range_for_cpu(dev, addr, offset, size, dir); } else - dma_sync_single_for_cpu(dev, addr, size, dir); + dma_sync_single_for_cpu(dev, addr + offset, size, dir); } static inline void dma_sync_single_range_for_device(struct device *dev, @@ -148,7 +148,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev, debug_dma_sync_single_range_for_device(dev, addr, offset, size, dir); } else - dma_sync_single_for_device(dev, addr, size, dir); + dma_sync_single_for_device(dev, addr + offset, size, dir); } static inline void |