[PATCH] IB/rxe: constify vm_operations_struct

[PATCH] IB/rxe: constify vm_operations_struct

[Arvind Yadav]

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@gmail.com>
---
 drivers/infiniband/sw/rxe/rxe_mmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_mmap.c b/drivers/infiniband/sw/rxe/rxe_mmap.c
index bd812e0..d22431e 100644
--- a/drivers/infiniband/sw/rxe/rxe_mmap.c
+++ b/drivers/infiniband/sw/rxe/rxe_mmap.c
@@ -76,7 +76,7 @@ static void rxe_vma_close(struct vm_area_struct *vma)
 	kref_put(&ip->ref, rxe_mmap_release);
 }
 
-static struct vm_operations_struct rxe_vm_ops = {
+static const struct vm_operations_struct rxe_vm_ops = {
 	.open = rxe_vma_open,
 	.close = rxe_vma_close,
 };
-- 
1.9.1

Re: [PATCH] IB/rxe: constify vm_operations_struct

[Doug Ledford]

On Mon, 2017-08-28 at 10:00 +0530, Arvind Yadav wrote:
> 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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Sorry, this bug had already been fixed by a previous patch.  Thanks for
your submission though.

-- 
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
    GPG KeyID: B826A3330E572FDD
    Key fingerprint = AE6B 1BDA 122B 23B4 265B  1274 B826 A333 0E57 2FDD

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