In case failure to setup Post interrupt for an IRQ, it make no sense to assign irqfd->producer to the producer. This change makes code more robust. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxx> --- arch/x86/kvm/x86.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index ce856e0..277e961 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -10683,13 +10683,14 @@ int kvm_arch_irq_bypass_add_producer(struct irq_bypass_consumer *cons, container_of(cons, struct kvm_kernel_irqfd, consumer); int ret; - irqfd->producer = prod; kvm_arch_start_assignment(irqfd->kvm); ret = kvm_x86_ops.update_pi_irte(irqfd->kvm, prod->irq, irqfd->gsi, 1); if (ret) kvm_arch_end_assignment(irqfd->kvm); + else + irqfd->producer = prod; return ret; } -- 1.8.3.1
