Author: hselasky
Date: Fri Jun 24 19:02:56 2011
New Revision: 223513
URL: http://svn.freebsd.org/changeset/base/223513
Log:
- Ensure that we get all the required nomatch devd events.
MFC after: 3 days
Modified:
head/sys/dev/usb/usb_device.c
Modified: head/sys/dev/usb/usb_device.c
==============================================================================
--- head/sys/dev/usb/usb_device.c Fri Jun 24 18:14:43 2011
(r223512)
+++ head/sys/dev/usb/usb_device.c Fri Jun 24 19:02:56 2011
(r223513)
@@ -1358,17 +1358,18 @@ usb_probe_and_attach(struct usb_device *
uaa.info.bIfaceIndex,
uaa.info.bIfaceNum);
- if (usb_probe_and_attach_sub(udev, &uaa)) {
- /* ignore */
- }
- }
+ usb_probe_and_attach_sub(udev, &uaa);
- if (uaa.temp_dev) {
- /* remove the last created child; it is unused */
-
- if (device_delete_child(udev->parent_dev, uaa.temp_dev)) {
+ /*
+ * Remove the leftover child, if any, to enforce that
+ * a new nomatch devd event is generated for the next
+ * interface if no driver is found:
+ */
+ if (uaa.temp_dev == NULL)
+ continue;
+ if (device_delete_child(udev->parent_dev, uaa.temp_dev))
DPRINTFN(0, "device delete child failed\n");
- }
+ uaa.temp_dev = NULL;
}
done:
if (do_unlock)
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