On Fri, Jun 09, 2023 at 10:15:36AM +0300, Dmitry Antipov wrote: > On 6/9/23 09:30, Greg KH wrote: > > > Sorry, but how can that happen? > > Hmmm.. there should be a complete mess in the device tree (e.g. passing > root device with no parent where the regular device is expected). If > you're sure that this doesn't worth checking then please disregard this. Again, how did you test this? And yes, the driver model guarantees that a child can never have a NULL parent (except for the root device, but that's a different story...) thanks, greg k-h