linux-kernel - [PATCH 09/26] i40iw: constify local structures

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Date:   Sun, 11 Sep 2016 15:05:51 +0200
From:   Julia Lawall <Julia.Lawall@...6.fr>
To:     Faisal Latif <faisal.latif@...el.com>
Cc:     joe@...ches.com, kernel-janitors@...r.kernel.org,
        Chien Tin Tung <chien.tin.tung@...el.com>,
        Mustafa Ismail <mustafa.ismail@...el.com>,
        Shiraz Saleem <shiraz.saleem@...el.com>,
        Tatyana Nikolova <tatyana.e.nikolova@...el.com>,
        Doug Ledford <dledford@...hat.com>,
        Sean Hefty <sean.hefty@...el.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 09/26] i40iw: constify local structures

For structure types defined in the same file or local header files, find
top-level static structure declarations that have the following
properties:
1. Never reassigned.
2. Address never taken
3. Not passed to a top-level macro call
4. No pointer or array-typed field passed to a function or stored in a
variable.
Declare structures having all of these properties as const.

Done using Coccinelle.
Based on a suggestion by Joe Perches <joe@...ches.com>.

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
The semantic patch seems too long for a commit log, but is in the cover
letter.

 drivers/infiniband/hw/i40iw/i40iw_uk.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/i40iw/i40iw_uk.c b/drivers/infiniband/hw/i40iw/i40iw_uk.c
index 4d28c3c..eb94c03 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_uk.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_uk.c
@@ -918,7 +918,7 @@ enum i40iw_status_code i40iw_get_wqe_shift(u32 wqdepth, u32 sge, u32 inline_data
 	return 0;
 }
 
-static struct i40iw_qp_uk_ops iw_qp_uk_ops = {
+static const struct i40iw_qp_uk_ops iw_qp_uk_ops = {
 	i40iw_qp_post_wr,
 	i40iw_qp_ring_push_db,
 	i40iw_rdma_write,
@@ -932,14 +932,14 @@ static struct i40iw_qp_uk_ops iw_qp_uk_ops = {
 	i40iw_nop
 };
 
-static struct i40iw_cq_ops iw_cq_ops = {
+static const struct i40iw_cq_ops iw_cq_ops = {
 	i40iw_cq_request_notification,
 	i40iw_cq_poll_completion,
 	i40iw_cq_post_entries,
 	i40iw_clean_cq
 };
 
-static struct i40iw_device_uk_ops iw_device_uk_ops = {
+static const struct i40iw_device_uk_ops iw_device_uk_ops = {
 	i40iw_cq_uk_init,
 	i40iw_qp_uk_init,
 };