6 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index 66e10da..b663f23 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -2038,6 +2038,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 	spin_unlock_irqrestore(&dev->lock, flags);
 
 	driver->unbind(&dev->gadget);
+	dev->gadget.dev.driver = NULL;
 	dev->driver = NULL;
 
 	/* set SD */
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index cd62b02..4b6ed35 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1616,6 +1616,8 @@ int usb_gadget_unregister_driver (struct usb_gadget_driver *driver)
 	local_irq_enable();
 
 	driver->unbind(&udc->gadget);
+	udc->gadget.dev.driver = NULL;
+	udc->gadget.dev.driver_data = NULL;
 	udc->driver = NULL;
 
 	DBG("unbound from %s\n", driver->driver.name);
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 2ec9d19..d3e7025 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -1422,6 +1422,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 	spin_unlock_irqrestore(&dev->lock, flags);
 
 	driver->unbind(&dev->gadget);
+	dev->gadget.dev.driver = NULL;
 
 	DBG(dev, "unregistered driver '%s'\n", driver->driver.name);
 	return 0;
diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c
index 367b75c..37243ef 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -474,6 +474,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 	spin_unlock_irqrestore(&dev->lock, flags);
 
 	driver->unbind(&dev->gadget);
+	dev->gadget.dev.driver = NULL;
 	device_del(&dev->gadget.dev);
 
 	udc_disable(dev);
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 43f0218..835948f 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -1508,6 +1508,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 	m66592_bclr(m66592, M66592_VBSE | M66592_URST, M66592_INTENB0);
 
 	driver->unbind(&m66592->gadget);
+	m66592->gadget.dev.driver = NULL;
 
 	init_controller(m66592);
 	disable_controller(m66592);
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index 8c139d4..4abf9d2 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -1345,6 +1345,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 	local_irq_enable();
 
 	driver->unbind(&dev->gadget);
+	dev->gadget.dev.driver = NULL;
 	dev->driver = NULL;
 
 	device_del (&dev->gadget.dev);