[PATCH] [serial gadget] Disable endpoints on unload

[Vitaly Bordug]

After Serial gadget is being unloaded, neither serial itself, nor other
gadget stuff can be loaded subsequently.

Signed-off-by: Vitaly Bordug <vitb at kernel.crashing.org>

---

 drivers/usb/gadget/serial.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)


diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index ce4d2e0..594284a 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -1487,6 +1487,12 @@ static void /* __init_or_exit */ gs_unbind(struct usb_gadget *gadget)
 			dev->dev_ctrl_req = NULL;
 		}
 		gs_free_ports(dev);
+		if (dev->dev_notify_ep)
+			usb_ep_disable(dev->dev_notify_ep);
+		if (dev->dev_in_ep)
+			usb_ep_disable(dev->dev_in_ep);
+		if (dev->dev_out_ep)
+			usb_ep_disable(dev->dev_out_ep);
 		kfree(dev);
 		set_gadget_data(gadget, NULL);
 	}