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hw/intc/apic: reject pic ints if isa_pic == NULL

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In apic_accept_pic_intr(), reject PIC interruptions if a i8259 PIC has
not been instantiated (isa_pic == NULL).

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Sergio Lopez 2019-09-26 14:48:00 +02:00 committed by Paolo Bonzini
parent e5f6aa319f
commit 78cafff810
1 changed files with 1 additions and 1 deletions
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2
hw/intc/apic.c
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@ -610,7 +610,7 @@ int apic_accept_pic_intr(DeviceState *dev)
if ((s->apicbase & MSR_IA32_APICBASE_ENABLE) == 0 ||
(lvt0 & APIC_LVT_MASKED) == 0)
return 1;
return isa_pic != NULL;
return 0;
}