[alsa-devel] [PATCH 2/3] ALSA: timer: Make snd_timer_close() returning void

The function doesn't return any useful value, so let's make it void to be clearer.

Signed-off-by: Takashi Iwai tiwai@suse.de --- include/sound/timer.h | 2 +- sound/core/timer.c | 18 +++++++----------- 2 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/include/sound/timer.h b/include/sound/timer.h index 199c36295a0d..8a13c09c85f7 100644 --- a/include/sound/timer.h +++ b/include/sound/timer.h @@ -119,7 +119,7 @@ int snd_timer_global_free(struct snd_timer *timer); int snd_timer_global_register(struct snd_timer *timer);

int snd_timer_open(struct snd_timer_instance **ti, char *owner, struct snd_timer_id *tid, unsigned int slave_id); -int snd_timer_close(struct snd_timer_instance *timeri); +void snd_timer_close(struct snd_timer_instance *timeri); unsigned long snd_timer_resolution(struct snd_timer_instance *timeri); int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks); int snd_timer_stop(struct snd_timer_instance *timeri); diff --git a/sound/core/timer.c b/sound/core/timer.c index 21c2d25e4074..c0a73913ec62 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -229,8 +229,8 @@ static int snd_timer_check_master(struct snd_timer_instance *master) return err < 0 ? err : 0; }

-static int snd_timer_close_locked(struct snd_timer_instance *timeri, - struct device **card_devp_to_put); +static void snd_timer_close_locked(struct snd_timer_instance *timeri, + struct device **card_devp_to_put);

/* * open a timer instance @@ -351,8 +351,8 @@ EXPORT_SYMBOL(snd_timer_open); * close a timer instance * call this with register_mutex down. */ -static int snd_timer_close_locked(struct snd_timer_instance *timeri, - struct device **card_devp_to_put) +static void snd_timer_close_locked(struct snd_timer_instance *timeri, + struct device **card_devp_to_put) { struct snd_timer *timer = timeri->timer; struct snd_timer_instance *slave, *tmp; @@ -414,28 +414,24 @@ static int snd_timer_close_locked(struct snd_timer_instance *timeri, *card_devp_to_put = &timer->card->card_dev; module_put(timer->module); } - - return 0; }

/* * close a timer instance */ -int snd_timer_close(struct snd_timer_instance *timeri) +void snd_timer_close(struct snd_timer_instance *timeri) { struct device *card_dev_to_put = NULL; - int err;

if (snd_BUG_ON(!timeri)) - return -ENXIO; + return;

mutex_lock(&register_mutex); - err = snd_timer_close_locked(timeri, &card_dev_to_put); + snd_timer_close_locked(timeri, &card_dev_to_put); mutex_unlock(&register_mutex); /* put_device() is called after unlock for avoiding deadlock */ if (card_dev_to_put) put_device(card_dev_to_put); - return err; } EXPORT_SYMBOL(snd_timer_close);