On Fri, Oct 20, 2017 at 03:22:07AM +0200, Rafael J. Wysocki wrote: > On Friday, October 20, 2017 3:23:16 AM CEST Jeffy Chen wrote: > > The current ordering of code in device_del() triggers a WARN_ON() > > in device_links_purge(), because of an unexpected link status. > > > > The device_links_unbind_consumers() call in device_release_driver() > > has to take place before device_links_purge() for the status of all > > links to be correct, so move the device_links_purge() call in > > device_del() after the invocation of bus_remove_device() which calls > > device_release_driver(). > > > > Signed-off-by: Jeffy Chen <jeffy.c...@rock-chips.com> > > Reviewed-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > > OK, thanks. > > Greg, will you take this?
Yes I will. But I don't understand if this is a bugfix that needs to go to all stable kernels to resolve a problem that has always been there, or it is ok for 4.15-rc1, as it's just a "do things in the correct order" type of change. Any hints? thanks, greg k-h
