On Thu, Dec 13, 2018 at 07:27:47PM +0100, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > > __device_release_driver() has to check dev->bus->need_parent_lock > before dropping the parent lock and acquiring it again as it may > attempt to drop a lock that hasn't been acquired or lock a device > that shouldn't be locked and create a lock imbalance. > > Fixes: 8c97a46af04b (driver core: hold dev's parent lock when needed) > Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > --- > > This should go into -stable for everything over 4.18 methinks.
Does this fix Daniel's lockdep splat? thanks, greg k-h