Hi Detlev Thank you for Cc:ing to me. Sorry for my late response. Monday was holiday in Japan. > I'm really feel like simple_util_clean_reference(card) in simple_probe() > errors path should not be called anymore, since (snip) > I'm adding Kuninori Morimoto in the to list of this thread for extra input (snip) > Especially those commits: > ASoC: audio-graph-card2: use __free(device_node) for device node > ASoC: audio-graph-card: use __free(device_node) for device node > ASoC: simple-card: use __free(device_node) for device node I got same report from our test team. I'm now tring to solve it. Thank you for your help !! Best regards --- Kuninori Morimoto