From: Max Vozeler <mvz@vozeler.com>
Date: Tue, 21 Sep 2010 15:31:40 +0000 (+0200)
Subject: staging: usbip: Notify usb core of port status changes
X-Git-Tag: firefly_0821_release~7613^2~3583^2~3^2~483
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0c9a32f0192e656daa2ff3c9149f6d71b4a1b873;p=firefly-linux-kernel-4.4.55.git

staging: usbip: Notify usb core of port status changes

This patch changes vhci to behave like dummy and
other hcds when disconnecting a device.

Previously detaching a device from the root hub
did not notify the usb core of the disconnect and
left the device visible.

Signed-off-by: Max Vozeler <mvz@vozeler.com>
Reported-by: Marco Lancione <marco@optikam.com>
Tested-by: Luc Jalbert <ljalbert@optikam.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c
index 0574d848b900..832608d3e579 100644
--- a/drivers/staging/usbip/vhci_hcd.c
+++ b/drivers/staging/usbip/vhci_hcd.c
@@ -164,6 +164,8 @@ void rh_port_disconnect(int rhport)
 	 * spin_unlock(&vdev->ud.lock); */
 
 	spin_unlock_irqrestore(&the_controller->lock, flags);
+
+	usb_hcd_poll_rh_status(vhci_to_hcd(the_controller));
 }