From b7c0051687f42173e15b151a74e524587e8b59db Mon Sep 17 00:00:00 2001
From: Stephen Warren <swarren@nvidia.com>
Date: Tue, 10 Jun 2014 11:02:38 -0600
Subject: usb: ci_udc: clean up all allocations in unregister

usb_gadget_unregister_driver() is called to tear down the USB device mode
stack. Fix the driver to stop the USB HW (which causes any attached host
to notice the disappearance of the device), and free all allocations
(which obviously prevents memory leaks).

Signed-off-by: Stephen Warren <swarren@nvidia.com>

diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c
index 1428af8..435a272 100644
--- a/drivers/usb/gadget/ci_udc.c
+++ b/drivers/usb/gadget/ci_udc.c
@@ -875,5 +875,11 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 
 int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 {
+	udc_disconnect();
+
+	ci_ep_free_request(&controller.ep[0].ep, &controller.ep0_req->req);
+	free(controller.items_mem);
+	free(controller.epts);
+
 	return 0;
 }
-- 
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