On Sat, Jul 15, 2023 at 04:16:52AM +0000, Liu, Yi L wrote:
> > From: Jason Gunthorpe <jgg@xxxxxxxxxx>
> > Sent: Friday, July 14, 2023 10:42 PM
> >
> > On Mon, Jul 10, 2023 at 07:59:24PM -0700, Yi Liu wrote:
> >
> > > +static inline long vfio_df_ioctl_bind_iommufd(struct vfio_device_file *df,
> > > + struct vfio_device_bind_iommufd __user
> > *arg)
> > > +{
> > > + return -EOPNOTSUPP;
> > > +}
> >
> > This should be -ENOTTY
>
> Okay. Since there are quite a few stub functions in the drivers/vfio/vfio.h.
> Let me check the rule. All the stub functions should return -ENOTTY in
> the !IS_ENABLED(CONFIG_XXX) case, if the function returns int., is
> it?
No, just ioctl returns ENOTTY, so really just this function.
Jason
