On Wed, Jul 14 2021, Jason Gunthorpe <jgg@xxxxxxxxxx> wrote: > The user can open multiple device FDs if it likes, however the open > function calls vfio_register_notifier() on device global state. Calling > vfio_register_notifier() twice will trigger a WARN_ON from > notifier_chain_register() and the first close will wrongly delete the > notifier and more. > > Since these really want the new open/close_device() semantics just change > the function over. > > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > --- > drivers/gpu/drm/i915/gvt/kvmgt.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>