USB: force handover port to companion when hub_port_connect_change fails
This patch hands over the port to the companion when the
hub_port_connect_change fails.
Signed-off-by: Balaji Rao <balajirrao@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 1b17f63..24c4116 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2482,6 +2482,7 @@
{
struct usb_device *hdev = hub->hdev;
struct device *hub_dev = hub->intfdev;
+ struct usb_hcd *hcd = bus_to_hcd(hdev->bus);
u16 wHubCharacteristics = le16_to_cpu(hub->descriptor->wHubCharacteristics);
int status, i;
@@ -2645,6 +2646,8 @@
done:
hub_port_disable(hub, port1, 1);
+ if (hcd->driver->relinquish_port && !hub->hdev->parent)
+ hcd->driver->relinquish_port(hcd, port1);
}
static void hub_events(void)