s undergoing teardown, used to prevent
+ *	new work from being scheduled during cleanup.
  * @name: Identifies the controller hardware type.  Used in diagnostics
  *	and sometimes configuration.
  * @dev: Driver model state for this abstract device.
@@ -426,6 +429,9 @@ struct usb_gadget {
 	enum usb_ssp_rate		max_ssp_rate;
 
 	enum usb_device_state		state;
+	/* For race-free teardown and state management */
+	spinlock_t			state_lock;
+	bool				teardown;
 	const char			*name;
 	struct device			dev;
 	unsigned			isoch_delay;
-- 
2.51.0.618.g983fd99d29-goog[PATCH] usb: gadget: udc: fix race condition in usb_del_gadgetJimmy Hu <hhhuuu@google.com> undefinedhhhuuu@google.com undefined�U��