diff options
Diffstat (limited to 'arch/x86/kvm/irq.c')
| -rw-r--r-- | arch/x86/kvm/irq.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index 23e0acc07cb6..5b3f721808d5 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -544,8 +544,13 @@ static int kvm_pi_update_irte(struct kvm_kernel_irqfd *irqfd, r = kvm_x86_call(pi_update_irte)(irqfd, irqfd->kvm, host_irq, irqfd->gsi, vcpu, irq.vector); - if (r) + if (r) { + WARN_ON_ONCE(irqfd->irq_bypass_vcpu && !vcpu); + irqfd->irq_bypass_vcpu = NULL; return r; + } + + irqfd->irq_bypass_vcpu = vcpu; trace_kvm_pi_irte_update(host_irq, vcpu, irqfd->gsi, irq.vector, !!vcpu); return 0; |