PERFORCE change 146795 for review

[Hans Petter Selasky]

http://perforce.freebsd.org/chv.cgi?CH=146795

Change 146795 by hselasky at hselasky_laptop001 on 2008/08/06 19:45:26

	
	Bugfix. Doing the alternate setting
	should not detach any devices in USB
	Host Mode.

Affected files ...

.. //depot/projects/usb/src/sys/dev/usb2/core/usb2_device.c#18 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/usb2/core/usb2_device.c#18 (text+ko) ====

@@ -675,8 +675,9 @@
 		err = USB_ERR_INVAL;
 		goto done;
 	}
-	usb2_detach_device(udev, iface_index, 1);
-
+	if (udev->flags.usb2_mode == USB_MODE_DEVICE) {
+		usb2_detach_device(udev, iface_index, 1);
+	}
 	err = usb2_fill_iface_data(udev, iface_index, alt_index);
 	if (err) {
 		goto done;