We only know of one so far.
Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
---
virt/kvm/eventfd.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index c307c24..7d7e2aa 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -340,6 +340,9 @@ kvm_irqfd_deassign(struct kvm *kvm, struct kvm_irqfd *args)
int
kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args)
{
+ if (args->flags & ~KVM_IRQFD_FLAG_DEASSIGN)
+ return -EINVAL;
+
if (args->flags & KVM_IRQFD_FLAG_DEASSIGN)
return kvm_irqfd_deassign(kvm, args);
--
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