On Thu, Nov 30, 2017 at 04:08:38PM +0000, Bart Van Assche wrote: > On Thu, 2017-11-30 at 09:18 +0800, Jason Yan wrote: > > Hi Bart, I chose the approach in my patch because it has been used in > > scsi_device_get() for years and been proved safe. I think using > > kobject_get_unless_zero() is safe here and can fix this issue too. And > > this approach is beneficial to all users. > > Hello Jason, > > A possible approach is that we start with your patch and defer any get_device() > changes until after your patch has been applied. That might be good, I don't have the chance to look at any driver core changes until Monday as I'm on the road until then, sorry... greg k-h