USB: constify usb_mon_operations structure

The usb_mon_operations structure is never modified, so declare it as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 1c102d6..df0e3b9 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -3000,7 +3000,7 @@
 
 #if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE)
 
-struct usb_mon_operations *mon_ops;
+const struct usb_mon_operations *mon_ops;
 
 /*
  * The registration is unlocked.
@@ -3010,7 +3010,7 @@
  * symbols from usbcore, usbcore gets referenced and cannot be unloaded first.
  */
 
-int usb_mon_register (struct usb_mon_operations *ops)
+int usb_mon_register(const struct usb_mon_operations *ops)
 {
 
 	if (mon_ops)