On Tue, Jul 26, 2016 at 05:41:56AM +0000, Kuninori Morimoto wrote: > > Hi ALSA SoC > > My current headache is ALSA SoC's each modules (= Card/Codec/CPU/Platform) > doesn't care about "unbind/rmmod". > For example, if someone unbinded/rmmoded "Codec", Card or other modules > doesn't know about it. Thus, user can continue to use this sound card, > and kernel will be Oops. Are you sure about this? Have you tried removing a module? During card probe, asoc will hold a reference to the component. See the calls to try_module_get(). This will prevent from unloading under normal cases. -- ~Vinod
