[src/trunk]: src/sys/dev Ensure to detach children.

[nat <nat%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/56881b744ab4
branches:  trunk
changeset: 354370:56881b744ab4
user:      nat <nat%NetBSD.org@localhost>
date:      Wed Jun 14 06:55:37 2017 +0000

description:
Ensure to detach children.

diffstat:

 sys/dev/spkr.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (37 lines):

diff -r 8384390cdd7a -r 56881b744ab4 sys/dev/spkr.c
--- a/sys/dev/spkr.c    Wed Jun 14 05:01:35 2017 +0000
+++ b/sys/dev/spkr.c    Wed Jun 14 06:55:37 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: spkr.c,v 1.12 2017/06/11 21:54:22 pgoyette Exp $       */
+/*     $NetBSD: spkr.c,v 1.13 2017/06/14 06:55:37 nat Exp $    */
 
 /*
  * Copyright (c) 1990 Eric S. Raymond (esr%snark.thyrsus.com@localhost)
@@ -43,7 +43,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: spkr.c,v 1.12 2017/06/11 21:54:22 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: spkr.c,v 1.13 2017/06/14 06:55:37 nat Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "wsmux.h"
@@ -381,6 +381,7 @@
 spkr_detach(device_t self, int flags)
 {
        struct spkr_softc *sc = device_private(self);
+       int rc;
 
 #ifdef SPKRDEBUG
        aprint_debug("%s: entering for unit %d\n", __func__, self->dv_unit);
@@ -390,7 +391,9 @@
        if (sc->sc_inbuf != NULL)
                return EBUSY;
 
-       return 0;
+       rc = config_detach_children(self, flags);
+
+       return rc;
 }
 
 /* ARGSUSED */