linux-kernel - [PATCH 3/3] iommu: s390: constify iommu

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Date:   Mon, 28 Aug 2017 17:42:50 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     m.szyprowski@...sung.com, joro@...tes.org, kgene@...nel.org,
        krzk@...nel.org, matthias.bgg@...il.com, gerald.schaefer@...ibm.com
Cc:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-s390@...r.kernel.org
Subject: [PATCH 3/3] iommu: s390: constify iommu_ops

iommu_ops are not supposed to change at runtime.
Functions 'bus_set_iommu' working with const iommu_ops provided
by <linux/iommu.h>. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/iommu/s390-iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c
index 8788640..400d75f 100644
--- a/drivers/iommu/s390-iommu.c
+++ b/drivers/iommu/s390-iommu.c
@@ -327,7 +327,7 @@ static size_t s390_iommu_unmap(struct iommu_domain *domain,
 	return size;
 }
 
-static struct iommu_ops s390_iommu_ops = {
+static const struct iommu_ops s390_iommu_ops = {
 	.capable = s390_iommu_capable,
 	.domain_alloc = s390_domain_alloc,
 	.domain_free = s390_domain_free,
-- 
1.9.1