KVM: ia64: fix the error of ioctl KVM_IRQ_LINE if no irq chip

[platform/kernel/linux-rpi.git] / arch / ia64 / kvm / kvm-ia64.c

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 38d5130..d7bac1f 100644 (file)
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -979,11 +979,13 @@ long kvm_arch_vm_ioctl(struct file *filp,
                r = -EFAULT;
                if (copy_from_user(&irq_event, argp, sizeof irq_event))
                        goto out;
+               r = -ENXIO;
                if (irqchip_in_kernel(kvm)) {
                        __s32 status;
                        status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
                                    irq_event.irq, irq_event.level);
                        if (ioctl == KVM_IRQ_LINE_STATUS) {
+                               r = -EFAULT;
                                irq_event.status = status;
                                if (copy_to_user(argp, &irq_event,
                                                        sizeof irq_event))