commit 3b49d2315c119b9ae8a9a33b07d4eb7d194c01a7
author Vladimir Zapolskiy <vzapolskiy@gmail.com> Fri Jun 18 08:25:00 2010 +0400
committer Greg Kroah-Hartman <gregkh@suse.de> Wed Jun 30 08:16:06 2010 -0700
tree e1c0ab9b91219a1719d52c6fc824799139df0f9d
parent 4c9715de52b9b6256bf1e9510917111a47b0c176

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>

drivers/usb/gadget/s3c2410_udc.c

diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index d5f4c1d..e724a05 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -1700,9 +1700,13 @@
 	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);