Xen devel - Sep 2010 - [PATCH] x86: fix debug key ''i'' handling with no IO-APICs

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

--- 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];





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