diff options
Diffstat (limited to 'sound/firewire/fireworks/fireworks.c')
-rw-r--r-- | sound/firewire/fireworks/fireworks.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c index 5854d2a87a18..da0c31033821 100644 --- a/sound/firewire/fireworks/fireworks.c +++ b/sound/firewire/fireworks/fireworks.c @@ -186,6 +186,10 @@ end: static void efw_free(struct snd_efw *efw) { + mutex_lock(&devices_mutex); + clear_bit(efw->card_index, devices_used); + mutex_unlock(&devices_mutex); + snd_efw_stream_destroy_duplex(efw); snd_efw_transaction_remove_instance(efw); } @@ -199,14 +203,6 @@ static void efw_free(struct snd_efw *efw) static void efw_card_free(struct snd_card *card) { - struct snd_efw *efw = card->private_data; - - if (efw->card_index >= 0) { - mutex_lock(&devices_mutex); - clear_bit(efw->card_index, devices_used); - mutex_unlock(&devices_mutex); - } - efw_free(card->private_data); } @@ -220,9 +216,8 @@ do_registration(struct work_struct *work) if (efw->registered) return; - mutex_lock(&devices_mutex); - /* check registered cards */ + mutex_lock(&devices_mutex); for (card_index = 0; card_index < SNDRV_CARDS; ++card_index) { if (!test_bit(card_index, devices_used) && enable[card_index]) break; @@ -238,6 +233,8 @@ do_registration(struct work_struct *work) mutex_unlock(&devices_mutex); return; } + set_bit(card_index, devices_used); + mutex_unlock(&devices_mutex); /* prepare response buffer */ snd_efw_resp_buf_size = clamp(snd_efw_resp_buf_size, @@ -279,9 +276,6 @@ do_registration(struct work_struct *work) if (err < 0) goto error; - set_bit(card_index, devices_used); - mutex_unlock(&devices_mutex); - /* * After registered, efw instance can be released corresponding to * releasing the sound card instance. @@ -292,7 +286,6 @@ do_registration(struct work_struct *work) return; error: - mutex_unlock(&devices_mutex); snd_efw_transaction_remove_instance(efw); snd_efw_stream_destroy_duplex(efw); snd_card_free(efw->card); |