ALSA: 6fire: 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: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/6fire/chip.c b/sound/usb/6fire/chip.c
index dcddfc3..bc2a24f 100644 (file)
--- a/sound/usb/6fire/chip.c
+++ b/sound/usb/6fire/chip.c
@@ -198,7 +198,7 @@ static void usb6fire_chip_disconnect(struct usb_interface *intf)
        }
 }
 
-static struct usb_device_id device_table[] = {
+static const struct usb_device_id device_table[] = {
        {
                .match_flags = USB_DEVICE_ID_MATCH_DEVICE,
                .idVendor = 0x0ccd,