From: Vitaly Bordug <vitb@kernel.crashing.org>
Date: Wed, 26 Sep 2007 20:36:22 +0000 (+0400)
Subject: USB: serial gadget: Disable endpoints on unload
X-Git-Tag: v2.6.24-rc1~1395^2~19
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=437f375f262417b484f28007c3e8d21bd01d0e01;p=linux-2.6

USB: serial gadget: Disable endpoints on unload

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

Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index afdf71f76f..a2a1ebc947 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -1470,6 +1470,12 @@ 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);
 	}