linux-kernel - [PATCH 2/2] video: fbdev: udlfb: constify usb_device

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Date:   Sun,  6 Aug 2017 12:39:28 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     steve.glendinning@...well.net, b.zolnierkie@...sung.com,
        bernie@...gable.com
Cc:     linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] video: fbdev: udlfb: constify usb_device_id.

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

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

diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index 05ef657..d836e6e 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -54,7 +54,7 @@ static const u32 udlfb_info_flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
  * which is compatible with all known USB 2.0 era graphics chips and firmware,
  * but allows DisplayLink to increment those for any future incompatible chips
  */
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	{.idVendor = 0x17e9,
 	 .bInterfaceClass = 0xff,
 	 .bInterfaceSubClass = 0x00,
-- 
2.7.4