kernel/drivers/usb/gadget/function/u_audio.c
.. .. @@ -1692,7 +1692,7 @@ 1692 1692 uac = g_audio->uac; 1693 1693 card = uac->card; 1694 1694 if (card) 1695 - snd_card_free(card);1695 + snd_card_free_when_closed(card);1696 1696 1697 1697 kfree(uac->p_prm.reqs); 1698 1698 kfree(uac->c_prm.reqs);