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Message-Id: <1272371140-6085-2-git-send-email-fujita.tomonori@lab.ntt.co.jp>
Date: Tue, 27 Apr 2010 21:25:35 +0900
From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To: akpm@...ux-foundation.org
Cc: fujita.tomonori@....ntt.co.jp, linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org, stable@...nel.org
Subject: [PATCH -mm 1/6] 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@....ntt.co.jp>
Cc: stable@...nel.org
---
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 e694263..6920695 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
--
1.6.5
--
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