diff options
Diffstat (limited to 'arch/x86/kvm/i8259.c')
| -rw-r--r-- | arch/x86/kvm/i8259.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 7cc2360f1848..047b17a26269 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -598,14 +598,14 @@ static const struct kvm_io_device_ops picdev_eclr_ops = { .write = picdev_eclr_write, }; -struct kvm_pic *kvm_create_pic(struct kvm *kvm) +int kvm_pic_init(struct kvm *kvm) { struct kvm_pic *s; int ret; s = kzalloc(sizeof(struct kvm_pic), GFP_KERNEL); if (!s) - return NULL; + return -ENOMEM; spin_lock_init(&s->lock); s->kvm = kvm; s->pics[0].elcr_mask = 0xf8; @@ -635,7 +635,9 @@ struct kvm_pic *kvm_create_pic(struct kvm *kvm) mutex_unlock(&kvm->slots_lock); - return s; + kvm->arch.vpic = s; + + return 0; fail_unreg_1: kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &s->dev_slave); @@ -648,13 +650,20 @@ fail_unlock: kfree(s); - return NULL; + return ret; } -void kvm_destroy_pic(struct kvm_pic *vpic) +void kvm_pic_destroy(struct kvm *kvm) { + struct kvm_pic *vpic = kvm->arch.vpic; + + if (!vpic) + return; + kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_master); kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_slave); kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_eclr); + + kvm->arch.vpic = NULL; kfree(vpic); } |