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[ALSA] semaphore -> mutex (core part)

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Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Ingo Molnar
2006-01-16 16:29:08 +01:00
committed by Jaroslav Kysela
parent f0283f45a0
commit 1a60d4c5a0
30 changed files with 293 additions and 282 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
sound/core/pcm.c
View File

@@ -23,6 +23,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/minors.h>
#include <sound/pcm.h>
@@ -35,7 +36,7 @@ MODULE_LICENSE("GPL");
static LIST_HEAD(snd_pcm_devices);
static LIST_HEAD(snd_pcm_notify_list);
static DECLARE_MUTEX(register_mutex);
static DEFINE_MUTEX(register_mutex);
static int snd_pcm_free(struct snd_pcm *pcm);
static int snd_pcm_dev_free(struct snd_device *device);
@@ -67,7 +68,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card,
if (get_user(device, (int __user *)arg))
return -EFAULT;
down(&register_mutex);
mutex_lock(&register_mutex);
device = device < 0 ? 0 : device + 1;
while (device < SNDRV_PCM_DEVICES) {
if (snd_pcm_search(card, device))
@@ -76,7 +77,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card,
}
if (device == SNDRV_PCM_DEVICES)
device = -1;
up(&register_mutex);
mutex_unlock(&register_mutex);
if (put_user(device, (int __user *)arg))
return -EFAULT;
return 0;
@@ -100,7 +101,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card,
return -EINVAL;
if (get_user(subdevice, &info->subdevice))
return -EFAULT;
down(&register_mutex);
mutex_lock(&register_mutex);
pcm = snd_pcm_search(card, device);
if (pcm == NULL) {
err = -ENXIO;
@@ -125,7 +126,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card,
}
err = snd_pcm_info_user(substream, info);
_error:
up(&register_mutex);
mutex_unlock(&register_mutex);
return err;
}
case SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE:
@@ -262,6 +263,7 @@ static const char *snd_pcm_state_name(snd_pcm_state_t state)
#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
#include <linux/soundcard.h>
static const char *snd_pcm_oss_format_name(int format)
{
switch (format) {
@@ -624,7 +626,7 @@ int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count)
struct snd_pcm_substream *substream, *prev;
#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
init_MUTEX(&pstr->oss.setup_mutex);
mutex_init(&pstr->oss.setup_mutex);
#endif
pstr->stream = stream;
pstr->pcm = pcm;
@@ -718,7 +720,7 @@ int snd_pcm_new(struct snd_card *card, char *id, int device,
snd_pcm_free(pcm);
return err;
}
init_MUTEX(&pcm->open_mutex);
mutex_init(&pcm->open_mutex);
init_waitqueue_head(&pcm->open_wait);
if ((err = snd_device_new(card, SNDRV_DEV_PCM, pcm, &ops)) < 0) {
snd_pcm_free(pcm);
@@ -904,9 +906,9 @@ static int snd_pcm_dev_register(struct snd_device *device)
struct snd_pcm *pcm = device->device_data;
snd_assert(pcm != NULL && device != NULL, return -ENXIO);
down(&register_mutex);
mutex_lock(&register_mutex);
if (snd_pcm_search(pcm->card, pcm->device)) {
up(&register_mutex);
mutex_unlock(&register_mutex);
return -EBUSY;
}
list_add_tail(&pcm->list, &snd_pcm_devices);
@@ -930,7 +932,7 @@ static int snd_pcm_dev_register(struct snd_device *device)
pcm, str)) < 0)
{
list_del(&pcm->list);
up(&register_mutex);
mutex_unlock(&register_mutex);
return err;
}
for (substream = pcm->streams[cidx].substream; substream; substream = substream->next)
@@ -941,7 +943,7 @@ static int snd_pcm_dev_register(struct snd_device *device)
notify = list_entry(list, struct snd_pcm_notify, list);
notify->n_register(pcm);
}
up(&register_mutex);
mutex_unlock(&register_mutex);
return 0;
}
@@ -952,7 +954,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
struct snd_pcm_substream *substream;
int cidx;
down(&register_mutex);
mutex_lock(&register_mutex);
list_del_init(&pcm->list);
for (cidx = 0; cidx < 2; cidx++)
for (substream = pcm->streams[cidx].substream; substream; substream = substream->next)
@@ -963,7 +965,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
notify = list_entry(list, struct snd_pcm_notify, list);
notify->n_disconnect(pcm);
}
up(&register_mutex);
mutex_unlock(&register_mutex);
return 0;
}
@@ -975,7 +977,7 @@ static int snd_pcm_dev_unregister(struct snd_device *device)
struct snd_pcm *pcm = device->device_data;
snd_assert(pcm != NULL, return -ENXIO);
down(&register_mutex);
mutex_lock(&register_mutex);
list_del(&pcm->list);
for (cidx = 0; cidx < 2; cidx++) {
devtype = -1;
@@ -996,7 +998,7 @@ static int snd_pcm_dev_unregister(struct snd_device *device)
notify = list_entry(list, struct snd_pcm_notify, list);
notify->n_unregister(pcm);
}
up(&register_mutex);
mutex_unlock(&register_mutex);
return snd_pcm_free(pcm);
}
@@ -1005,7 +1007,7 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree)
struct list_head *p;
snd_assert(notify != NULL && notify->n_register != NULL && notify->n_unregister != NULL, return -EINVAL);
down(&register_mutex);
mutex_lock(&register_mutex);
if (nfree) {
list_del(&notify->list);
list_for_each(p, &snd_pcm_devices)
@@ -1016,7 +1018,7 @@ int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree)
list_for_each(p, &snd_pcm_devices)
notify->n_register(list_entry(p, struct snd_pcm, list));
}
up(&register_mutex);
mutex_unlock(&register_mutex);
return 0;
}
@@ -1031,7 +1033,7 @@ static void snd_pcm_proc_read(struct snd_info_entry *entry,
struct list_head *p;
struct snd_pcm *pcm;
down(&register_mutex);
mutex_lock(&register_mutex);
list_for_each(p, &snd_pcm_devices) {
pcm = list_entry(p, struct snd_pcm, list);
snd_iprintf(buffer, "%02i-%02i: %s : %s",
@@ -1044,7 +1046,7 @@ static void snd_pcm_proc_read(struct snd_info_entry *entry,
pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream_count);
snd_iprintf(buffer, "\n");
}
up(&register_mutex);
mutex_unlock(&register_mutex);
}
static struct snd_info_entry *snd_pcm_proc_entry = NULL;