Re: [PATCH v3] drm/i915/gvt: throw error on unhandled vfio ioctls

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On 2018.03.21 09:44:32 -0600, Alex Williamson wrote:
> On Wed, 21 Mar 2018 15:08:47 +0100
> Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote:
> 
> > On unknown/unhandled ioctls the driver should return an error, so
> > userspace knows it tried to use something unsupported.
> > 
> > Cc: stable@xxxxxxxxxxxxxxx
> > Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/gvt/kvmgt.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
> > index 021f722e24..f34d7f1e6c 100644
> > --- a/drivers/gpu/drm/i915/gvt/kvmgt.c
> > +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
> > @@ -1284,7 +1284,7 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd,
> >  
> >  	}
> >  
> > -	return 0;
> > +	return -ENOTTY;
> >  }
> >  
> >  static ssize_t
> 
> Reviewed-by: Alex Williamson <alex.williamson@xxxxxxxxxx>

Applied, thanks!

-- 
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