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KVM: x86: check kvm_pit outside kvm_vm_ioctl_reinject()

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check kvm_pit outside kvm_vm_ioctl_reinject() to keep codestyle consistent
with other kvm_pit func and prepare for futher cleanups.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Miaohe Lin 2019-12-07 17:25:22 +08:00 committed by Paolo Bonzini
parent dfd146fcae
commit cad23e72b7
1 changed files with 3 additions and 3 deletions
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6
arch/x86/kvm/x86.c
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@ -4703,9 +4703,6 @@ static int kvm_vm_ioctl_reinject(struct kvm *kvm,
{
struct kvm_pit *pit = kvm->arch.vpit;
if (!pit)
return -ENXIO;
/* pit->pit_state.lock was overloaded to prevent userspace from getting
* an inconsistent state after running multiple KVM_REINJECT_CONTROL
* ioctls in parallel. Use a separate lock if that ioctl isn't rare.
@ -5072,6 +5069,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EFAULT;
if (copy_from_user(&control, argp, sizeof(control)))
goto out;
r = -ENXIO;
if (!kvm->arch.vpit)
goto out;
r = kvm_vm_ioctl_reinject(kvm, &control);
break;
}