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authorVladimir Zapolskiy <vzapolskiy@gmail.com>2010-06-18 08:25:00 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-06-30 08:16:06 -0700
commit3b49d2315c119b9ae8a9a33b07d4eb7d194c01a7 (patch)
treee1c0ab9b91219a1719d52c6fc824799139df0f9d /drivers/usb
parent4c9715de52b9b6256bf1e9510917111a47b0c176 (diff)
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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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/s3c2410_udc.c6
1 files changed, 5 insertions, 1 deletions
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 @@ 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);