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KVM: Clean up kvm_vm_ioctl_assigned_device 

Any arch not supporting device assigment will also not build
assigned-dev.c. So testing for KVM_CAP_DEVICE_DEASSIGNMENT is pointless.
KVM_CAP_ASSIGN_DEV_IRQ is unconditinally set. Moreover, add a default
case for dispatching the ioctl.

Acked-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka 2010-11-16 22:30:06 +01:00 committed by Avi Kivity
parent ed78661f26
commit 51de271d44
1 changed files with 4 additions and 5 deletions
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9
virt/kvm/assigned-dev.c
View File

@ -674,7 +674,7 @@ long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
unsigned long arg)
{
void __user *argp = (void __user *)arg;
int r = -ENOTTY;
int r;
switch (ioctl) {
case KVM_ASSIGN_PCI_DEVICE: {
@ -692,7 +692,6 @@ long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
r = -EOPNOTSUPP;
break;
}
#ifdef KVM_CAP_ASSIGN_DEV_IRQ
case KVM_ASSIGN_DEV_IRQ: {
struct kvm_assigned_irq assigned_irq;
@ -715,8 +714,6 @@ long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
goto out;
break;
}
#endif
#ifdef KVM_CAP_DEVICE_DEASSIGNMENT
case KVM_DEASSIGN_PCI_DEVICE: {
struct kvm_assigned_pci_dev assigned_dev;
@ -728,7 +725,6 @@ long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
goto out;
break;
}
#endif
#ifdef KVM_CAP_IRQ_ROUTING
case KVM_SET_GSI_ROUTING: {
struct kvm_irq_routing routing;
@ -781,6 +777,9 @@ long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
break;
}
#endif
default:
r = -ENOTTY;
break;
}
out:
return r;