On Mon, 22 Jun 2020 12:00:48 +0200 Bartosz Golaszewski wrote: > From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> > > This devres helper registers a release callback that only unregisters > the net_device. It works perfectly fine with netdev structs that are > not managed on their own. There's no reason to check this - drop the > warning. > > Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> I think the reasoning for this suggestion was to catch possible UAF errors. The netdev doesn't necessarily has to be from devm_alloc_* but it has to be part of devm-ed memory or memory which is freed after driver's remove callback. Are there cases in practice where you've seen the netdev not being devm allocated?
