usb gadget: don't save bind callback in struct usb_composite_driver

The bind function is most of the time only called at init time so there
is no need to save a pointer to it in the composite driver structure.

This fixes many section mismatches reported by modpost.

Signed-off-by: Michał Nazarewicz <m.nazarewicz@samsung.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index ca51661..91170a0 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -353,7 +353,6 @@
 	.name		= "g_multi",
 	.dev		= &device_desc,
 	.strings	= dev_strings,
-	.bind		= multi_bind,
 	.unbind		= __exit_p(multi_unbind),
 	.iProduct	= DRIVER_DESC,
 	.needs_serial	= 1,
@@ -362,7 +361,7 @@
 
 static int __init multi_init(void)
 {
-	return usb_composite_register(&multi_driver);
+	return usb_composite_probe(&multi_driver, multi_bind);
 }
 module_init(multi_init);