From: "Michael S. Tsirkin" <mst@redhat.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: avi@redhat.com, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, jan.kiszka@siemens.com,
cornelia.huck@de.ibm.com
Subject: Re: [PATCH v3 3/3] kvm: Sanitize KVM_IRQFD flags
Date: Sun, 1 Jul 2012 11:26:34 +0300 [thread overview]
Message-ID: <20120701082634.GB3906@redhat.com> (raw)
In-Reply-To: <20120629155622.30535.24831.stgit@bling.home>
On Fri, Jun 29, 2012 at 09:56:24AM -0600, Alex Williamson wrote:
> We only know of one so far.
>
> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
BTW should we sanitize padding as well?
> ---
>
> 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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next prev parent reply other threads:[~2012-07-01 8:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-29 15:56 [PATCH v3 0/3] kvm: KVM_IRQFD cleanup, docs, sanitize flags Alex Williamson
2012-06-29 15:56 ` [PATCH v3 1/3] kvm: Pass kvm_irqfd to functions Alex Williamson
2012-06-29 15:56 ` [PATCH v3 2/3] kvm: Add missing KVM_IRQFD API documentation Alex Williamson
2012-06-29 15:56 ` [PATCH v3 3/3] kvm: Sanitize KVM_IRQFD flags Alex Williamson
2012-07-01 8:26 ` Michael S. Tsirkin [this message]
2012-07-02 15:49 ` Alex Williamson
2012-07-02 15:51 ` [PATCH v3 0/3] kvm: KVM_IRQFD cleanup, docs, sanitize flags Alex Williamson
2012-07-02 15:52 ` Avi Kivity
2012-07-03 0:10 ` Marcelo Tosatti
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