staging: make USB device id constant

The id_table field of the struct usb_device_id is constant in <linux/usb.h>
so it is worth to make the initialization data also constant.

The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
	struct I1 {
	  ...
	  const struct I2 *x;
	  ...
	};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
	struct I1 y = {
	  .x = E,
	};
@c@
identifier r.I2;
identifier s.E;
@@
	const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+	const
	struct I2 E[] = ...;
// </smpl>

Signed-off-by: Németh Márton <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/staging/otus/zdusb.c b/drivers/staging/otus/zdusb.c
index 2a6d937ba5e..4cd9b7f5a88 100644
--- a/drivers/staging/otus/zdusb.c
+++ b/drivers/staging/otus/zdusb.c
@@ -45,7 +45,7 @@ MODULE_LICENSE("Dual BSD/GPL");
 static const char driver_name[] = "Otus";
 
 /* table of devices that work with this driver */
-static struct usb_device_id zd1221_ids [] = {
+static const struct usb_device_id zd1221_ids[] = {
 	{ USB_DEVICE(VENDOR_ATHR, PRODUCT_AR9170) },
         { USB_DEVICE(VENDOR_DLINK, PRODUCT_DWA160A) },
 	{ USB_DEVICE(VENDOR_NETGEAR, PRODUCT_WNDA3100) },