In this way, we can check speed directly, don't need
call usb_device_attach(), which has other conditions,
such as checking the chardev is open.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
}
}
-void usb_device_attach(USBDevice *dev, Error **errp)
+void usb_check_attach(USBDevice *dev, Error **errp)
{
USBBus *bus = usb_bus_from_device(dev);
USBPort *port = dev->port;
bus->qbus.name, port->path, portspeed);
return;
}
+}
+
+void usb_device_attach(USBDevice *dev, Error **errp)
+{
+ USBPort *port = dev->port;
+ Error *local_err = NULL;
+
+ usb_check_attach(dev, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
dev->attached++;
usb_attach(port);
void usb_device_attach(USBDevice *dev, Error **errp);
int usb_device_detach(USBDevice *dev);
int usb_device_delete_addr(int busnr, int addr);
+void usb_check_attach(USBDevice *dev, Error **errp);
static inline USBBus *usb_bus_from_device(USBDevice *d)
{