rt2800usb: 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: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
index 3e5d3a4..24fc6d2 100644 (file)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
@@ -924,7 +924,7 @@ static const struct rt2x00_ops rt2800usb_ops = {
 /*
  * rt2800usb module information.
  */
-static struct usb_device_id rt2800usb_device_table[] = {
+static const struct usb_device_id rt2800usb_device_table[] = {
        /* Abocom */
        { USB_DEVICE(0x07b8, 0x2870) },
        { USB_DEVICE(0x07b8, 0x2770) },