diff options
| -rw-r--r-- | arch/x86/kvm/i8259.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/irq.h | 2 |
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 5857f59ad4a..c31164e8aa4 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -130,8 +130,10 @@ void kvm_pic_set_irq(void *opaque, int irq, int level) { struct kvm_pic *s = opaque; - pic_set_irq1(&s->pics[irq >> 3], irq & 7, level); - pic_update_irq(s); + if (irq >= 0 && irq < PIC_NUM_PINS) { + pic_set_irq1(&s->pics[irq >> 3], irq & 7, level); + pic_update_irq(s); + } } /* diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h index 2a15be2275c..7ca47cbb48b 100644 --- a/arch/x86/kvm/irq.h +++ b/arch/x86/kvm/irq.h @@ -30,6 +30,8 @@ #include "ioapic.h" #include "lapic.h" +#define PIC_NUM_PINS 16 + struct kvm; struct kvm_vcpu; |