[PATCH] xen/grant-table: constify gnttab_ops structure

From	Julia Lawall <Julia.Lawall@lip6.fr>
Newsgroups	linux.kernel
Subject	[PATCH] xen/grant-table: constify gnttab_ops structure
Date	2015-11-28 15:50 +0100
Message-ID	<qzOZ3-1EC-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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The gnttab_ops structure is never modified, so declare it as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
 drivers/xen/grant-table.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index c49f79e..effbaf9 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -128,7 +128,7 @@ struct unmap_refs_callback_data {
 	int result;
 };
 
-static struct gnttab_ops *gnttab_interface;
+static const struct gnttab_ops *gnttab_interface;
 
 static int grant_table_version;
 static int grefs_per_grant_frame;
@@ -1013,7 +1013,7 @@ static int gnttab_map(unsigned int start_idx, unsigned int end_idx)
 	return rc;
 }
 
-static struct gnttab_ops gnttab_v1_ops = {
+static const struct gnttab_ops gnttab_v1_ops = {
 	.map_frames			= gnttab_map_frames_v1,
 	.unmap_frames			= gnttab_unmap_frames_v1,
 	.update_entry			= gnttab_update_entry_v1,

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[PATCH] xen/grant-table: constify gnttab_ops structure Julia Lawall <Julia.Lawall@lip6.fr> - 2015-11-28 15:50 +0100
  Re: [Xen-devel] [PATCH] xen/grant-table: constify gnttab_ops structure David Vrabel <dvrabel@cantab.net> - 2015-11-30 15:20 +0100

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