linux-kernel - [RFT 13/13] s390: virtio: constify ccw_device

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Message-Id: <1502793344-5368-14-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Tue, 15 Aug 2017 16:05:44 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     schwidefsky@...ibm.com, heiko.carstens@...ibm.com,
        sth@...ux.vnet.ibm.com, hoeppner@...ux.vnet.ibm.com,
        jwi@...ux.vnet.ibm.com, ubraun@...ux.vnet.ibm.com,
        maier@...ux.vnet.ibm.com, cohuck@...hat.com,
        pasic@...ux.vnet.ibm.com
Cc:     linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Subject: [RFT 13/13] s390: virtio: constify ccw_device_id

ccw_device_id are not supposed to change at runtime. All functions
working with ccw_device_id provided by <asm/ccwdev.h> work with
const ccw_device_id. So mark the non-const structs as const.

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

diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index b18fe20..b43dbba 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -1307,7 +1307,7 @@ static int virtio_ccw_cio_notify(struct ccw_device *cdev, int event)
 	return rc;
 }
 
-static struct ccw_device_id virtio_ids[] = {
+static const struct ccw_device_id virtio_ids[] = {
 	{ CCW_DEVICE(0x3832, 0) },
 	{},
 };
-- 
2.7.4