linux-kernel - [PATCH 01/35] can: ems_usb: constify usb_device

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Date:   Tue,  8 Aug 2017 21:25:28 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     kvalo@...eaurora.org, wg@...ndegger.com, mkl@...gutronix.de,
        linux-can@...r.kernel.org, netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 01/35] can: ems_usb: 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/net/can/usb/ems_usb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index b3d0275..c78f3a8 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -222,7 +222,7 @@ struct __packed ems_cpc_msg {
  * Table of devices that work with this driver
  * NOTE: This driver supports only CPC-USB/ARM7 (LPC2119) yet.
  */
-static struct usb_device_id ems_usb_table[] = {
+static const struct usb_device_id ems_usb_table[] = {
 	{USB_DEVICE(USB_CPCUSB_VENDOR_ID, USB_CPCUSB_ARM7_PRODUCT_ID)},
 	{} /* Terminating entry */
 };
-- 
2.7.4