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| author | Alex Williamson <alex.williamson@redhat.com> | 2012-06-29 09:56:24 -0600 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-07-02 21:10:30 -0300 |
| commit | 326cf0334bacfdf43039cf75997a022b9e51535d (patch) | |
| tree | 568fc99ad9bdde8fa382ff6657568c2e2ec2e4fc /virt | |
| parent | f36992e31284131a978d07bb14e582ce67b46b64 (diff) | |
| download | lwn-326cf0334bacfdf43039cf75997a022b9e51535d.tar.gz lwn-326cf0334bacfdf43039cf75997a022b9e51535d.zip | |
KVM: Sanitize KVM_IRQFD flags
We only know of one so far.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/eventfd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index c307c24c147a..7d7e2aaffece 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); |