Only detach the USB device you disconnected, fix a regression reported

by guenther@.

While here set the dying flag of the disconnected device so that most of
the DVACT_ACTIVATE handlers can go.

diff --git a/sys/dev/usb/usb_subr.c b/sys/dev/usb/usb_subr.c
index 2bf4124..cde1e55 100644 (file)
--- a/sys/dev/usb/usb_subr.c
+++ b/sys/dev/usb/usb_subr.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: usb_subr.c,v 1.103 2014/07/10 11:47:14 mpi Exp $ */
+/*     $OpenBSD: usb_subr.c,v 1.104 2014/07/12 07:11:17 mpi Exp $ */
 /*     $NetBSD: usb_subr.c,v 1.103 2003/01/10 11:19:13 augustss Exp $  */
 /*     $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $   */
 
@@ -1475,9 +1475,13 @@ usb_free_device(struct usbd_device *dev)
 int
 usbd_detach(struct usbd_device *dev, struct device *parent)
 {
-       int rv;
+       int i, rv = 0;
+
+       usbd_deactivate(dev);
+
+       for (i = 0; dev->subdevs[i] != NULL; i++)
+               rv |= config_detach(dev->subdevs[i], DETACH_FORCE);
 
-       rv = config_detach_children(parent, DETACH_FORCE);
        if (rv == 0)
                usb_free_device(dev);