On Fri, Nov 30, 2018 at 02:07:52PM -0600, Steve Wise wrote: > So perhaps nldev_dellink() should just lookup the ib_device by index > using ib_device_get_by_index(), note the device name (copy it > locally) That just creates races with rename. The API to the driver should be pointer based and has to hold only the kref not the refcnt Jason