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xhci: fix port status

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Don't signal port status change if the usb device isn't in attached
state.  Happens with usb-host devices with the pass-through device
being plugged out at the host.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-03-01 15:14:12 +01:00
parent 2850ca9ed1
commit cf21a4aef7
1 changed files with 1 additions and 1 deletions
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2
hw/usb-xhci.c
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@ -2279,7 +2279,7 @@ static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach)
int nr = port->port.index + 1;
port->portsc = PORTSC_PP;
if (port->port.dev && !is_detach) {
if (port->port.dev && port->port.dev->attached && !is_detach) {
port->portsc |= PORTSC_CCS;
switch (port->port.dev->speed) {
case USB_SPEED_LOW: