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add KASSERT() that sc_child* is set to NULL after child detach; just for 

readability, it's not immediatelly obvious this is done in xhci_childdet()

no functional changes
This commit is contained in:
jdolecek 2018-04-21 15:53:24 +00:00
parent f3a7ac8991
commit 1c4f101001
1 changed files with 4 additions and 2 deletions
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6
sys/dev/usb/xhci.c
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@ -1,4 +1,4 @@
/* $NetBSD: xhci.c,v 1.87 2018/04/09 16:21:11 jakllsch Exp $ */
/* $NetBSD: xhci.c,v 1.88 2018/04/21 15:53:24 jdolecek Exp $ */
/*
* Copyright (c) 2013 Jonathan A. Kollasch
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.87 2018/04/09 16:21:11 jakllsch Exp $");
__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.88 2018/04/21 15:53:24 jdolecek Exp $");
#ifdef _KERNEL_OPT
#include "opt_usb.h"
@ -593,12 +593,14 @@ xhci_detach(struct xhci_softc *sc, int flags)
rv = config_detach(sc->sc_child2, flags);
if (rv != 0)
return rv;
KASSERT(sc->sc_child2 == NULL);
}
if (sc->sc_child != NULL) {
rv = config_detach(sc->sc_child, flags);
if (rv != 0)
return rv;
KASSERT(sc->sc_child == NULL);
}
/* XXX unconfigure/free slots */