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>

4 files changed, 4 insertions, 4 deletions

diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c
index 312f4f282bd7..96caae36279c 100644
--- a/drivers/staging/comedi/drivers/dt9812.c
+++ b/drivers/staging/comedi/drivers/dt9812.c
@@ -264,7 +264,7 @@ struct dt9812_usb_cmd {
 
 static DECLARE_MUTEX(dt9812_mutex);
 
-static struct usb_device_id dt9812_table[] = {
+static const struct usb_device_id dt9812_table[] = {
 	{USB_DEVICE(0x0867, 0x9812)},
 	{}			/* Terminating entry */
 };
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index 9a1b559c4b0d..0c854a6f1ca6 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -2833,7 +2833,7 @@ static struct comedi_driver driver_usbdux = {
 };
 
 /* Table with the USB-devices: just now only testing IDs */
-static struct usb_device_id usbduxsub_table[] = {
+static const struct usb_device_id usbduxsub_table[] = {
 	{USB_DEVICE(0x13d8, 0x0001)},
 	{USB_DEVICE(0x13d8, 0x0002)},
 	{}			/* Terminating entry */
diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c
index 2e675cce7dbf..4ff48860fc57 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -1769,7 +1769,7 @@ static struct comedi_driver driver_usbduxfast = {
 /*
  * Table with the USB-devices: just now only testing IDs
  */
-static struct usb_device_id usbduxfastsub_table[] = {
+static const struct usb_device_id usbduxfastsub_table[] = {
 	/* { USB_DEVICE(0x4b4, 0x8613) }, testing */
 	{USB_DEVICE(0x13d8, 0x0010)},	/* real ID */
 	{USB_DEVICE(0x13d8, 0x0011)},	/* real ID */
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index c34a0b9141e2..6479c38d0278 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -75,7 +75,7 @@ enum {
 	DEVICE_VMK8061
 };
 
-static struct usb_device_id vmk80xx_id_table[] = {
+static const struct usb_device_id vmk80xx_id_table[] = {
 	{USB_DEVICE(0x10cf, 0x5500), .driver_info = DEVICE_VMK8055},
 	{USB_DEVICE(0x10cf, 0x5501), .driver_info = DEVICE_VMK8055},
 	{USB_DEVICE(0x10cf, 0x5502), .driver_info = DEVICE_VMK8055},