Call kvm_init() only after _all_ setup is complete, as kvm_init() exposes /dev/kvm to userspace and thus allows userspace to create VMs (and call other ioctls). Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx> --- arch/mips/kvm/mips.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 75681281e2df..ae7a24342fdf 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -1640,16 +1640,17 @@ static int __init kvm_mips_init(void) if (ret) return ret; - ret = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE); - - if (ret) - return ret; if (boot_cpu_type() == CPU_LOONGSON64) kvm_priority_to_irq = kvm_loongson3_priority_to_irq; register_die_notifier(&kvm_mips_csr_die_notifier); + ret = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE); + if (ret) { + unregister_die_notifier(&kvm_mips_csr_die_notifier); + return ret; + } return 0; } -- 2.38.1.584.g0f3c55d4c2-goog