From: Keir Fraser <keir.fraser@citrix.com>
Date: Wed, 15 Sep 2010 06:47:54 +0000 (+0100)
Subject: x86: fix debug key 'i' handling with no IO-APICs
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~11485
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=4f1262e66aa8d90f688cfe8c061a42c4028a8bb4;p=xen.git

x86: fix debug key 'i' handling with no IO-APICs

Signed-off-by: Jan Beulich <jbeulich@novell.com>
---

diff --git a/xen/arch/x86/io_apic.c b/xen/arch/x86/io_apic.c
index 46be3a239d..3b15c13e1f 100644
--- a/xen/arch/x86/io_apic.c
+++ b/xen/arch/x86/io_apic.c
@@ -2463,6 +2463,9 @@ void dump_ioapic_irq_info(void)
     unsigned int irq, pin, printed = 0;
     unsigned long flags;
 
+    if ( !irq_2_pin )
+        return;
+
     for ( irq = 0; irq < nr_irqs_gsi; irq++ )
     {
         entry = &irq_2_pin[irq];