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kvm: x86: fix kvm_apic_has_events to check for NULL pointer

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Malicious (or egregiously buggy) userspace can trigger it, but it
should never happen in normal operation.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-05-30 14:31:24 +02:00
parent e194bbdf36
commit ce40cd3fc7
1 changed files with 1 additions and 1 deletions
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arch/x86/kvm/lapic.h
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@ -150,7 +150,7 @@ static inline bool kvm_apic_vid_enabled(struct kvm *kvm)
static inline bool kvm_apic_has_events(struct kvm_vcpu *vcpu) static inline bool kvm_apic_has_events(struct kvm_vcpu *vcpu)
{ {
return vcpu->arch.apic->pending_events; return kvm_vcpu_has_lapic(vcpu) && vcpu->arch.apic->pending_events;
} }
static inline bool kvm_lowest_prio_delivery(struct kvm_lapic_irq *irq) static inline bool kvm_lowest_prio_delivery(struct kvm_lapic_irq *irq)