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Re: [PATCH] virtio-rng: block max-bytes=0
From: |
Michael S. Tsirkin |
Subject: |
Re: [PATCH] virtio-rng: block max-bytes=0 |
Date: |
Tue, 30 Jul 2024 07:29:17 -0400 |
On Tue, Jul 30, 2024 at 11:07:11AM +0200, Laurent Vivier wrote:
> On 24/07/2024 12:51, Michael S. Tsirkin wrote:
> > with max-bytes set to 0, quota is 0 and so device does not work.
> > block this to avoid user confusion
> >
> > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> > ---
> > hw/virtio/virtio-rng.c | 5 +++--
> > 1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/hw/virtio/virtio-rng.c b/hw/virtio/virtio-rng.c
> > index f74efffef7..7cf31da071 100644
> > --- a/hw/virtio/virtio-rng.c
> > +++ b/hw/virtio/virtio-rng.c
> > @@ -184,8 +184,9 @@ static void virtio_rng_device_realize(DeviceState *dev,
> > Error **errp)
> > /* Workaround: Property parsing does not enforce unsigned integers,
> > * So this is a hack to reject such numbers. */
> > - if (vrng->conf.max_bytes > INT64_MAX) {
> > - error_setg(errp, "'max-bytes' parameter must be non-negative, "
> > + if (vrng->conf.max_bytes == 0 ||
> > + vrng->conf.max_bytes > INT64_MAX) {
> > + error_setg(errp, "'max-bytes' parameter must be positive, "
> > "and less than 2^63");
> > return;
> > }
>
> Michael, do you plan to send the PR yourself? Or perhaps it can go via
> trivial?
>
> Thanks,
> Laurent
I will pick it up, I do not think this is appropriate for trivial though.
--
MST