mutex_lock(&kvm->slots_lock);
ret = kvm_io_bus_register_dev(kvm, KVM_MMIO_BUS, sgi_base,
SZ_64K, &sgi_dev->dev);
- mutex_unlock(&kvm->slots_lock);
if (ret) {
kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS,
&rd_dev->dev);
- return ret;
+ goto out;
}
vgic->vgic_redist_free_offset += 2 * SZ_64K;
- return 0;
+out:
+ mutex_unlock(&kvm->slots_lock);
+ return ret;
}
static void vgic_unregister_redist_iodev(struct kvm_vcpu *vcpu)
if (ret) {
/* The current c failed, so we start with the previous one. */
+ mutex_lock(&kvm->slots_lock);
for (c--; c >= 0; c--) {
vcpu = kvm_get_vcpu(kvm, c);
vgic_unregister_redist_iodev(vcpu);
}
+ mutex_unlock(&kvm->slots_lock);
}
return ret;