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* [PATCH v2] iommu/vt-d: constify intel_dma_ops
@ 2017-06-28 11:09 ` Arvind Yadav
  0 siblings, 0 replies; 4+ messages in thread
From: Arvind Yadav @ 2017-06-28 11:09 UTC (permalink / raw)
  To: dwmw2-wEGCiKHe2LqWVfeAwA7xHQ, joro-zLv9SwRftAIdnm+yROfE0A
  Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA

Most dma_map_ops structures are never modified. Constify these
structures such that these can be write-protected.

Signed-off-by: Arvind Yadav <arvind.yadav.cs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
Changes in v2:
              Added description.

 drivers/iommu/intel-iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 90ab011..de0df48 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3970,7 +3970,7 @@ static int intel_mapping_error(struct device *dev, dma_addr_t dma_addr)
 	return !dma_addr;
 }
 
-struct dma_map_ops intel_dma_ops = {
+const struct dma_map_ops intel_dma_ops = {
 	.alloc = intel_alloc_coherent,
 	.free = intel_free_coherent,
 	.map_sg = intel_map_sg,
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2017-06-28 12:18 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2017-06-28 11:09 [PATCH v2] iommu/vt-d: constify intel_dma_ops Arvind Yadav
2017-06-28 11:09 ` Arvind Yadav
     [not found] ` <dabcc02772ea7a1793e8e41a08960bd1101160a1.1498647947.git.arvind.yadav.cs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-28 12:17   ` Joerg Roedel
2017-06-28 12:17     ` Joerg Roedel

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