[src/trunk]: src/sys/arch/amiga/dev Return if bah_attach_subr() failed.

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

details:   https://anonhg.NetBSD.org/src/rev/4828ccf4e970
branches:  trunk
changeset: 827303:4828ccf4e970
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Mon Oct 23 09:21:40 2017 +0000

description:
Return if bah_attach_subr() failed.

diffstat:

 sys/arch/amiga/dev/if_bah_zbus.c |  11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diffs (39 lines):

diff -r 98124180d65f -r 4828ccf4e970 sys/arch/amiga/dev/if_bah_zbus.c
--- a/sys/arch/amiga/dev/if_bah_zbus.c  Mon Oct 23 09:21:20 2017 +0000
+++ b/sys/arch/amiga/dev/if_bah_zbus.c  Mon Oct 23 09:21:40 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_bah_zbus.c,v 1.16 2015/10/30 12:19:08 phx Exp $ */
+/*     $NetBSD: if_bah_zbus.c,v 1.17 2017/10/23 09:21:40 msaitoh Exp $ */
 
 /*-
  * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_bah_zbus.c,v 1.16 2015/10/30 12:19:08 phx Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_bah_zbus.c,v 1.17 2017/10/23 09:21:40 msaitoh Exp $");
 
 /*
  * Driver frontend for the Commodore Busines Machines and the
@@ -98,6 +98,7 @@
        struct bah_zbus_softc *bsc = device_private(self);
        struct bah_softc *sc = &bsc->sc_bah;
        struct zbus_args *zap = aux;
+       int rv;
 
        sc->sc_dev = self;
 #if (defined(BAH_DEBUG) && (BAH_DEBUG > 2))
@@ -115,7 +116,11 @@
 
        sc->sc_reset = bah_zbus_reset;
 
-       bah_attach_subr(sc);
+       rv = bah_attach_subr(sc);
+       if (rv != 0) {
+               aprint_error_dev(self, "bah_attach_subr failed(%d)\n", rv);
+               return;
+       }
 
        bsc->sc_isr.isr_intr = bahintr;
        bsc->sc_isr.isr_arg = sc;