static void tscm_free(struct snd_tscm *tscm) { snd_tscm_transaction_unregister(tscm); snd_tscm_stream_destroy_duplex(tscm); fw_unit_put(tscm->unit); mutex_destroy(&tscm->mutex); }
static void do_registration(struct work_struct *work) { struct snd_tscm *tscm = container_of(work, struct snd_tscm, dwork.work); int err; err = snd_card_new(&tscm->unit->device, -1, NULL, THIS_MODULE, 0, &tscm->card); if (err < 0) return; err = identify_model(tscm); if (err < 0) goto error; err = snd_tscm_transaction_register(tscm); if (err < 0) goto error; err = snd_tscm_stream_init_duplex(tscm); if (err < 0) goto error; snd_tscm_proc_init(tscm); err = snd_tscm_create_pcm_devices(tscm); if (err < 0) goto error; err = snd_tscm_create_midi_devices(tscm); if (err < 0) goto error; err = snd_tscm_create_hwdep_device(tscm); if (err < 0) goto error; err = snd_card_register(tscm->card); if (err < 0) goto error; /* * After registered, tscm instance can be released corresponding to * releasing the sound card instance. */ tscm->card->private_free = tscm_card_free; tscm->card->private_data = tscm; tscm->registered = true; return; error: snd_tscm_transaction_unregister(tscm); snd_tscm_stream_destroy_duplex(tscm); snd_card_free(tscm->card); dev_info(&tscm->unit->device, "Sound card registration failed: %d\n", err); }