PERFORCE change 112957 for review

[M. Warner Losh]

In message: <200701152255.l0FMtKId033379 at repoman.freebsd.org>
            Hans Petter Selasky <hselasky at freebsd.org> writes:
: ==== //depot/projects/usb/src/sys/dev/pccbb/pccbb.c#3 (text+ko) ====
: 
: @@ -302,10 +302,11 @@
:  	 * for the kldload/unload case to work.  If we failed to do that, then
:  	 * we'd get duplicate devices when cbb.ko was reloaded.
:  	 */
: -	device_get_children(brdev, &devlist, &numdevs);
: -	for (tmp = 0; tmp < numdevs; tmp++)
: -		device_delete_child(brdev, devlist[tmp]);
: -	free(devlist, M_TEMP);
: +	if (!device_get_children(brdev, &devlist, &numdevs)) {
: +		for (tmp = 0; tmp < numdevs; tmp++)

Actually this is a problem.  While the old code ignores errors, I
don't think that's really the right thing to do here.  It is critical
that the children be deleted.

Warner