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* + dma-mapping-fix-dma_sync_single_range_.patch added to -mm tree
@ 2010-04-27 22:25 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2010-04-27 22:25 UTC (permalink / raw)
  To: mm-commits; +Cc: fujita.tomonori, stable


The patch titled
     dma-mapping: fix dma_sync_single_range_*
has been added to the -mm tree.  Its filename is
     dma-mapping-fix-dma_sync_single_range_.patch

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------------------------------------------------------
Subject: dma-mapping: fix dma_sync_single_range_*
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

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

 include/asm-generic/dma-mapping-common.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN include/asm-generic/dma-mapping-common.h~dma-mapping-fix-dma_sync_single_range_ include/asm-generic/dma-mapping-common.h
--- a/include/asm-generic/dma-mapping-common.h~dma-mapping-fix-dma_sync_single_range_
+++ a/include/asm-generic/dma-mapping-common.h
@@ -131,7 +131,7 @@ static inline void dma_sync_single_range
 		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
 		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
_

Patches currently in -mm which might be from fujita.tomonori@lab.ntt.co.jp are

origin.patch
linux-next.patch
scsi-add-__init-__exit-macros-to-ibmvstgtc.patch
dma-mapping-fix-dma_sync_single_range_.patch
ia64-remove-unnecessary-sync_single_range_-in-swiotlb_dma_ops.patch
x86-remove-unnecessary-sync_single_range_-in-swiotlb_dma_ops.patch
powerpc-remove-unnecessary-sync_single_range_-in-swiotlb_dma_ops.patch
swiotlb-remove-unnecessary-swiotlb_sync_single_range_.patch
dma-mapping-remove-unnecessary-sync_single_range_-in-dma_map_ops.patch
ssb-add-dma_dev-to-ssb_device-structure.patch
b43legacy-replace-the-ssb_dma-api-with-the-generic-dma-api.patch
b43-replace-the-ssb_dma-api-with-the-generic-dma-api.patch
b44-replace-the-ssb_dma-api-with-the-generic-dma-api.patch
ssb-remove-the-ssb-dma-api.patch
asm-generic-remove-isa_dma_threshold-in-scatterlisth.patch
asm-generic-add-need_sg_dma_length-to-define-sg_dma_len.patch
x86_32-use-asm-generic-scatterlisth.patch
powerpc-use-asm-generic-scatterlisth.patch
arm-use-asm-generic-scatterlisth.patch
alpha-use-asm-generic-scatterlisth.patch
asm-generic-remove-arch_has_sg_chain-in-scatterlisth.patch
avr32-use-asm-generic-scatterlisth.patch
cris-use-asm-generic-scatterlisth.patch
h8300-use-asm-generic-scatterlisth.patch
m32r-use-use-asm-generic-scatterlisth.patch
m68k-use-asm-generic-scatterlisth.patch
mips-use-use-asm-generic-scatterlisth.patch
xtensa-use-use-asm-generic-scatterlisth.patch
blackfin-use-use-asm-generic-scatterlisth.patch
frv-use-asm-generic-scatterlisth.patch
mn10300-use-asm-generic-scatterlisth.patch
parisc-use-asm-generic-scatterlisth.patch


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