USB: add the sysfs driver name to all modules

This adds the module name to all USB drivers, if they are built into the
kernel or not.  It will show up in /sys/modules/MODULE_NAME/drivers/

Cc: Kay Sievers <kay.sievers@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index d6eb5ce..d505926 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -750,7 +750,8 @@
  * usb_register_dev() to enable that functionality.  This function no longer
  * takes care of that.
  */
-int usb_register_driver(struct usb_driver *new_driver, struct module *owner)
+int usb_register_driver(struct usb_driver *new_driver, struct module *owner,
+			const char *mod_name)
 {
 	int retval = 0;
 
@@ -763,6 +764,7 @@
 	new_driver->drvwrap.driver.probe = usb_probe_interface;
 	new_driver->drvwrap.driver.remove = usb_unbind_interface;
 	new_driver->drvwrap.driver.owner = owner;
+	new_driver->drvwrap.driver.mod_name = mod_name;
 	spin_lock_init(&new_driver->dynids.lock);
 	INIT_LIST_HEAD(&new_driver->dynids.list);