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

57
sound/core/rawmidi.c
View File

@@ -28,6 +28,7 @@
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/mutex.h>
#include <linux/moduleparam.h>
#include <linux/delay.h>
#include <linux/wait.h>
@@ -57,7 +58,7 @@ static int snd_rawmidi_dev_disconnect(struct snd_device *device);
static int snd_rawmidi_dev_unregister(struct snd_device *device);
static LIST_HEAD(snd_rawmidi_devices);
static DECLARE_MUTEX(register_mutex);
static DEFINE_MUTEX(register_mutex);
static struct snd_rawmidi *snd_rawmidi_search(struct snd_card *card, int device)
{
@@ -237,9 +238,9 @@ int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice,
if (rfile)
rfile->input = rfile->output = NULL;
down(&register_mutex);
mutex_lock(&register_mutex);
rmidi = snd_rawmidi_search(card, device);
up(&register_mutex);
mutex_unlock(&register_mutex);
if (rmidi == NULL) {
err = -ENODEV;
goto __error1;
@@ -249,7 +250,7 @@ int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice,
goto __error1;
}
if (!(mode & SNDRV_RAWMIDI_LFLG_NOOPENLOCK))
down(&rmidi->open_mutex);
mutex_lock(&rmidi->open_mutex);
if (mode & SNDRV_RAWMIDI_LFLG_INPUT) {
if (!(rmidi->info_flags & SNDRV_RAWMIDI_INFO_INPUT)) {
err = -ENXIO;
@@ -359,7 +360,7 @@ int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice,
soutput = NULL;
}
if (!(mode & SNDRV_RAWMIDI_LFLG_NOOPENLOCK))
up(&rmidi->open_mutex);
mutex_unlock(&rmidi->open_mutex);
if (rfile) {
rfile->rmidi = rmidi;
rfile->input = sinput;
@@ -374,7 +375,7 @@ int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice,
snd_rawmidi_runtime_free(soutput);
module_put(rmidi->card->module);
if (!(mode & SNDRV_RAWMIDI_LFLG_NOOPENLOCK))
up(&rmidi->open_mutex);
mutex_unlock(&rmidi->open_mutex);
__error1:
return err;
}
@@ -422,7 +423,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
}
init_waitqueue_entry(&wait, current);
add_wait_queue(&rmidi->open_wait, &wait);
down(&rmidi->open_mutex);
mutex_lock(&rmidi->open_mutex);
while (1) {
subdevice = -1;
down_read(&card->controls_rwsem);
@@ -446,9 +447,9 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
} else
break;
set_current_state(TASK_INTERRUPTIBLE);
up(&rmidi->open_mutex);
mutex_unlock(&rmidi->open_mutex);
schedule();
down(&rmidi->open_mutex);
mutex_lock(&rmidi->open_mutex);
if (signal_pending(current)) {
err = -ERESTARTSYS;
break;
@@ -467,7 +468,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
snd_card_file_remove(card, file);
kfree(rawmidi_file);
}
up(&rmidi->open_mutex);
mutex_unlock(&rmidi->open_mutex);
return err;
}
@@ -480,7 +481,7 @@ int snd_rawmidi_kernel_release(struct snd_rawmidi_file * rfile)
snd_assert(rfile != NULL, return -ENXIO);
snd_assert(rfile->input != NULL || rfile->output != NULL, return -ENXIO);
rmidi = rfile->rmidi;
down(&rmidi->open_mutex);
mutex_lock(&rmidi->open_mutex);
if (rfile->input != NULL) {
substream = rfile->input;
rfile->input = NULL;
@@ -514,7 +515,7 @@ int snd_rawmidi_kernel_release(struct snd_rawmidi_file * rfile)
}
rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substream_opened--;
}
up(&rmidi->open_mutex);
mutex_unlock(&rmidi->open_mutex);
module_put(rmidi->card->module);
return 0;
}
@@ -576,9 +577,9 @@ int snd_rawmidi_info_select(struct snd_card *card, struct snd_rawmidi_info *info
struct snd_rawmidi_substream *substream;
struct list_head *list;
down(&register_mutex);
mutex_lock(&register_mutex);
rmidi = snd_rawmidi_search(card, info->device);
up(&register_mutex);
mutex_unlock(&register_mutex);
if (!rmidi)
return -ENXIO;
if (info->stream < 0 || info->stream > 1)
@@ -818,7 +819,7 @@ static int snd_rawmidi_control_ioctl(struct snd_card *card,
if (get_user(device, (int __user *)argp))
return -EFAULT;
down(&register_mutex);
mutex_lock(&register_mutex);
device = device < 0 ? 0 : device + 1;
while (device < SNDRV_RAWMIDI_DEVICES) {
if (snd_rawmidi_search(card, device))
@@ -827,7 +828,7 @@ static int snd_rawmidi_control_ioctl(struct snd_card *card,
}
if (device == SNDRV_RAWMIDI_DEVICES)
device = -1;
up(&register_mutex);
mutex_unlock(&register_mutex);
if (put_user(device, (int __user *)argp))
return -EFAULT;
return 0;
@@ -1314,7 +1315,7 @@ static void snd_rawmidi_proc_info_read(struct snd_info_entry *entry,
rmidi = entry->private_data;
snd_iprintf(buffer, "%s\n\n", rmidi->name);
down(&rmidi->open_mutex);
mutex_lock(&rmidi->open_mutex);
if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_OUTPUT) {
list_for_each(list, &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams) {
substream = list_entry(list, struct snd_rawmidi_substream, list);
@@ -1355,7 +1356,7 @@ static void snd_rawmidi_proc_info_read(struct snd_info_entry *entry,
}
}
}
up(&rmidi->open_mutex);
mutex_unlock(&rmidi->open_mutex);
}
/*
@@ -1436,7 +1437,7 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device,
}
rmidi->card = card;
rmidi->device = device;
init_MUTEX(&rmidi->open_mutex);
mutex_init(&rmidi->open_mutex);
init_waitqueue_head(&rmidi->open_wait);
if (id != NULL)
strlcpy(rmidi->id, id, sizeof(rmidi->id));
@@ -1507,9 +1508,9 @@ static int snd_rawmidi_dev_register(struct snd_device *device)
if (rmidi->device >= SNDRV_RAWMIDI_DEVICES)
return -ENOMEM;
down(&register_mutex);
mutex_lock(&register_mutex);
if (snd_rawmidi_search(rmidi->card, rmidi->device)) {
up(&register_mutex);
mutex_unlock(&register_mutex);
return -EBUSY;
}
list_add_tail(&rmidi->list, &snd_rawmidi_devices);
@@ -1519,14 +1520,14 @@ static int snd_rawmidi_dev_register(struct snd_device *device)
&snd_rawmidi_f_ops, rmidi, name)) < 0) {
snd_printk(KERN_ERR "unable to register rawmidi device %i:%i\n", rmidi->card->number, rmidi->device);
list_del(&rmidi->list);
up(&register_mutex);
mutex_unlock(&register_mutex);
return err;
}
if (rmidi->ops && rmidi->ops->dev_register &&
(err = rmidi->ops->dev_register(rmidi)) < 0) {
snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device);
list_del(&rmidi->list);
up(&register_mutex);
mutex_unlock(&register_mutex);
return err;
}
#ifdef CONFIG_SND_OSSEMUL
@@ -1553,7 +1554,7 @@ static int snd_rawmidi_dev_register(struct snd_device *device)
}
}
#endif /* CONFIG_SND_OSSEMUL */
up(&register_mutex);
mutex_unlock(&register_mutex);
sprintf(name, "midi%d", rmidi->device);
entry = snd_info_create_card_entry(rmidi->card, name, rmidi->card->proc_root);
if (entry) {
@@ -1583,9 +1584,9 @@ static int snd_rawmidi_dev_disconnect(struct snd_device *device)
{
struct snd_rawmidi *rmidi = device->device_data;
down(&register_mutex);
mutex_lock(&register_mutex);
list_del_init(&rmidi->list);
up(&register_mutex);
mutex_unlock(&register_mutex);
return 0;
}
@@ -1594,7 +1595,7 @@ static int snd_rawmidi_dev_unregister(struct snd_device *device)
struct snd_rawmidi *rmidi = device->device_data;
snd_assert(rmidi != NULL, return -ENXIO);
down(&register_mutex);
mutex_lock(&register_mutex);
list_del(&rmidi->list);
if (rmidi->proc_entry) {
snd_info_unregister(rmidi->proc_entry);
@@ -1616,7 +1617,7 @@ static int snd_rawmidi_dev_unregister(struct snd_device *device)
if (rmidi->ops && rmidi->ops->dev_unregister)
rmidi->ops->dev_unregister(rmidi);
snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device);
up(&register_mutex);
mutex_unlock(&register_mutex);
#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
if (rmidi->seq_dev) {
snd_device_free(rmidi->card, rmidi->seq_dev);