diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2011-05-27 14:50:39 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2011-06-23 11:28:07 +0200 |
| commit | bf5547f5365c1bfeba9d5c3e87653b9803a875a5 (patch) | |
| tree | fca3b2f8acddf45ab38197e35067655c7c575127 /hw | |
| parent | e4b17767659828cf4057e39b6a4f9d687b2f7cc3 (diff) | |
usb-bus: Don't allow speed mismatch while attaching devices
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/usb-bus.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/usb-bus.c b/hw/usb-bus.c index fc720185b7..2abce12de5 100644 --- a/hw/usb-bus.c +++ b/hw/usb-bus.c @@ -200,6 +200,11 @@ static int do_attach(USBDevice *dev) } else { port = QTAILQ_FIRST(&bus->free); } + if (!(port->speedmask & dev->speedmask)) { + error_report("Warning: speed mismatch trying to attach usb device %s to bus %s\n", + dev->product_desc, bus->qbus.name); + return -1; + } dev->attached++; QTAILQ_REMOVE(&bus->free, port, next); |