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...@gmail.com>
---
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

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