lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[ALSA] semaphore -> mutex (core part)

Browse Source 
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

23
sound/core/sound.c
View File

@@ -33,6 +33,7 @@
#include <sound/initval.h>
#include <linux/kmod.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/mutex.h>
#define SNDRV_OS_MINORS 256
@@ -61,7 +62,7 @@ MODULE_ALIAS_CHARDEV_MAJOR(CONFIG_SND_MAJOR);
int snd_ecards_limit;
static struct snd_minor *snd_minors[SNDRV_OS_MINORS];
static DECLARE_MUTEX(sound_mutex);
static DEFINE_MUTEX(sound_mutex);
extern struct class *sound_class;
@@ -122,13 +123,13 @@ void *snd_lookup_minor_data(unsigned int minor, int type)
if (minor > ARRAY_SIZE(snd_minors))
return NULL;
down(&sound_mutex);
mutex_lock(&sound_mutex);
mreg = snd_minors[minor];
if (mreg && mreg->type == type)
private_data = mreg->private_data;
else
private_data = NULL;
up(&sound_mutex);
mutex_unlock(&sound_mutex);
return private_data;
}
@@ -256,7 +257,7 @@ int snd_register_device(int type, struct snd_card *card, int dev,
preg->f_ops = f_ops;
preg->private_data = private_data;
strcpy(preg->name, name);
down(&sound_mutex);
mutex_lock(&sound_mutex);
#ifdef CONFIG_SND_DYNAMIC_MINORS
minor = snd_find_free_minor();
#else
@@ -265,7 +266,7 @@ int snd_register_device(int type, struct snd_card *card, int dev,
minor = -EBUSY;
#endif
if (minor < 0) {
up(&sound_mutex);
mutex_unlock(&sound_mutex);
kfree(preg);
return minor;
}
@@ -276,7 +277,7 @@ int snd_register_device(int type, struct snd_card *card, int dev,
device = card->dev;
class_device_create(sound_class, NULL, MKDEV(major, minor), device, "%s", name);
up(&sound_mutex);
mutex_unlock(&sound_mutex);
return 0;
}
@@ -297,7 +298,7 @@ int snd_unregister_device(int type, struct snd_card *card, int dev)
struct snd_minor *mptr;
cardnum = card ? card->number : -1;
down(&sound_mutex);
mutex_lock(&sound_mutex);
for (minor = 0; minor < ARRAY_SIZE(snd_minors); ++minor)
if ((mptr = snd_minors[minor]) != NULL &&
mptr->type == type &&
@@ -305,7 +306,7 @@ int snd_unregister_device(int type, struct snd_card *card, int dev)
mptr->device == dev)
break;
if (minor == ARRAY_SIZE(snd_minors)) {
up(&sound_mutex);
mutex_unlock(&sound_mutex);
return -EINVAL;
}
@@ -315,7 +316,7 @@ int snd_unregister_device(int type, struct snd_card *card, int dev)
class_device_destroy(sound_class, MKDEV(major, minor));
snd_minors[minor] = NULL;
up(&sound_mutex);
mutex_unlock(&sound_mutex);
kfree(mptr);
return 0;
}
@@ -354,7 +355,7 @@ static void snd_minor_info_read(struct snd_info_entry *entry, struct snd_info_bu
int minor;
struct snd_minor *mptr;
down(&sound_mutex);
mutex_lock(&sound_mutex);
for (minor = 0; minor < SNDRV_OS_MINORS; ++minor) {
if (!(mptr = snd_minors[minor]))
continue;
@@ -371,7 +372,7 @@ static void snd_minor_info_read(struct snd_info_entry *entry, struct snd_info_bu
snd_iprintf(buffer, "%3i: : %s\n", minor,
snd_device_type_name(mptr->type));
}
up(&sound_mutex);
mutex_unlock(&sound_mutex);
}
int __init snd_minor_info_init(void)