linux-kernel - [PATCH] tty: hvcs: constify vio_device

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Message-Id: <f0d9e3a3da5aea4a5f133a67390ea7883c353e0f.1502976494.git.arvind.yadav.cs@gmail.com>
Date:   Thu, 17 Aug 2017 19:04:23 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     gregkh@...uxfoundation.org, jslaby@...e.com
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH] tty: hvcs: constify vio_device_id

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

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

diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
index 79cc5be..7320190 100644
--- a/drivers/tty/hvc/hvcs.c
+++ b/drivers/tty/hvc/hvcs.c
@@ -675,7 +675,7 @@ static int khvcsd(void *unused)
 	return 0;
 }
 
-static struct vio_device_id hvcs_driver_table[] = {
+static const struct vio_device_id hvcs_driver_table[] = {
 	{"serial-server", "hvterm2"},
 	{ "", "" }
 };
-- 
2.7.4