linux-kernel - [PATCH] IB/hfi1: constify vm_operations

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Message-Id: <8fa5bd3197b755de927ef5c3ae431e588a3a7d91.1503894254.git.arvind.yadav.cs@gmail.com>
Date:   Mon, 28 Aug 2017 09:59:28 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     mike.marciniszyn@...el.com, dennis.dalessandro@...el.com,
        dledford@...hat.com, sean.hefty@...el.com, hal.rosenstock@...il.com
Cc:     linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: [PATCH] IB/hfi1: constify vm_operations_struct

vm_operations_struct are not supposed to change at runtime.
vm_area_struct structure working with const vm_operations_struct.
So mark the non-const vm_operations_struct structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/infiniband/hw/hfi1/file_ops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index 3158128..46db68f 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -116,7 +116,7 @@ static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
 	.llseek = noop_llseek,
 };
 
-static struct vm_operations_struct vm_ops = {
+static const struct vm_operations_struct vm_ops = {
 	.fault = vma_fault,
 };
 
-- 
1.9.1