Hi Sameer > > Yes, I'm posting fixup patch. > > > > https://patchwork.kernel.org/patch/11719919/ > > Just curious that why snd_soc_find_dai() itself cannot be protected, > instead of leaving this to callers. Because, snd_soc_find_dai() is called both with/without client_mutex. (same/sof are calling it with mutex, simple-card/audio-graph are calling without mutex) Other solution is create both snd_soc_find_dai_with_mutex()/without_mutex(). I'm not sure which style is best. Thank you for your help !! Best regards --- Kuninori Morimoto