dma-mapping: fix dma_sync_single_range_*

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>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/asm-generic/dma-mapping-common.h b/include/asm-generic/dma-mapping-common.h
index e694263..6920695 100644 (file)
--- 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