[src/trunk]: src/sys/arch/x86/x86 quick hack for shared IRQ issue.

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

details:   https://anonhg.NetBSD.org/src/rev/009798b83814
branches:  trunk
changeset: 340851:009798b83814
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Tue Oct 06 09:44:31 2015 +0000

description:
quick hack for shared IRQ issue.

diffstat:

 sys/arch/x86/x86/intr.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r 2a033a373b16 -r 009798b83814 sys/arch/x86/x86/intr.c
--- a/sys/arch/x86/x86/intr.c   Tue Oct 06 08:57:34 2015 +0000
+++ b/sys/arch/x86/x86/intr.c   Tue Oct 06 09:44:31 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: intr.c,v 1.87 2015/08/17 06:16:03 knakahara Exp $      */
+/*     $NetBSD: intr.c,v 1.88 2015/10/06 09:44:31 knakahara Exp $      */
 
 /*-
  * Copyright (c) 2007, 2008, 2009 The NetBSD Foundation, Inc.
@@ -133,7 +133,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.87 2015/08/17 06:16:03 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.88 2015/10/06 09:44:31 knakahara Exp $");
 
 #include "opt_intrdebug.h"
 #include "opt_multiprocessor.h"
@@ -1954,6 +1954,10 @@
 
        KASSERT(mutex_owned(&cpu_lock));
 
+       /* XXX avoid shared IRQ issue. */
+       if (isp->is_handlers == NULL)
+               return false;
+
        ci = isp->is_handlers->ih_cpu;
        KASSERT(ci != NULL);