diff options
Diffstat (limited to 'virt/kvm/kvm_main.c')
| -rw-r--r-- | virt/kvm/kvm_main.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 6b39ba9..88dde44 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1616,18 +1616,22 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) r = kvm_arch_vcpu_setup(vcpu); if (r) - return r; + goto vcpu_destroy; mutex_lock(&kvm->lock); + if (!kvm_vcpu_compatible(vcpu)) { + r = -EINVAL; + goto unlock_vcpu_destroy; + } if (atomic_read(&kvm->online_vcpus) == KVM_MAX_VCPUS) { r = -EINVAL; - goto vcpu_destroy; + goto unlock_vcpu_destroy; } kvm_for_each_vcpu(r, v, kvm) if (v->vcpu_id == id) { r = -EEXIST; - goto vcpu_destroy; + goto unlock_vcpu_destroy; } BUG_ON(kvm->vcpus[atomic_read(&kvm->online_vcpus)]); @@ -1637,7 +1641,7 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) r = create_vcpu_fd(vcpu); if (r < 0) { kvm_put_kvm(kvm); - goto vcpu_destroy; + goto unlock_vcpu_destroy; } kvm->vcpus[atomic_read(&kvm->online_vcpus)] = vcpu; @@ -1651,8 +1655,9 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) mutex_unlock(&kvm->lock); return r; -vcpu_destroy: +unlock_vcpu_destroy: mutex_unlock(&kvm->lock); +vcpu_destroy: kvm_arch_vcpu_destroy(vcpu); return r; } |