USB: s3c2410: deactivate endpoints before gadget unbinding

Gadget disconnect must be called before unbinding to avoid races.
The change fixes an oops on g_ether module unregistering.

Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index d5f4c1d45c97..e724a051bfdd 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -1700,9 +1700,13 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
         if (!driver || driver != udc->driver || !driver->unbind)
                 return -EINVAL;
 
-        dprintk(DEBUG_NORMAL,"usb_gadget_register_driver() '%s'\n",
+        dprintk(DEBUG_NORMAL, "usb_gadget_unregister_driver() '%s'\n",
                 driver->driver.name);
 
+        /* report disconnect */
+        if (driver->disconnect)
+                driver->disconnect(&udc->gadget);
+
         driver->unbind(&udc->gadget);
 
         device_del(&udc->gadget.dev);