net: usb: cdc-phonet: 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@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
index 2952cb5..288ecd9 100644 (file)
--- a/drivers/net/usb/cdc-phonet.c
+++ b/drivers/net/usb/cdc-phonet.c
@@ -304,7 +304,7 @@ static void usbpn_setup(struct net_device *dev)
 /*
  * USB driver callbacks
  */
-static struct usb_device_id usbpn_ids[] = {
+static const struct usb_device_id usbpn_ids[] = {
        {
                .match_flags = USB_DEVICE_ID_MATCH_VENDOR
                        | USB_DEVICE_ID_MATCH_INT_CLASS