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path: root/sound/core/seq/oss/seq_oss.c
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Diffstat (limited to 'sound/core/seq/oss/seq_oss.c')
-rw-r--r--sound/core/seq/oss/seq_oss.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c
index c98f0ba1381..b9919785180 100644
--- a/sound/core/seq/oss/seq_oss.c
+++ b/sound/core/seq/oss/seq_oss.c
@@ -24,6 +24,7 @@
#include <linux/init.h>
#include <linux/smp_lock.h>
#include <linux/moduleparam.h>
+#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/minors.h>
#include <sound/initval.h>
@@ -124,7 +125,7 @@ module_exit(alsa_seq_oss_exit)
* ALSA minor device interface
*/
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
static int
odev_open(struct inode *inode, struct file *file)
@@ -136,9 +137,9 @@ odev_open(struct inode *inode, struct file *file)
else
level = SNDRV_SEQ_OSS_MODE_SYNTH;
- down(&register_mutex);
+ mutex_lock(&register_mutex);
rc = snd_seq_oss_open(file, level);
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return rc;
}
@@ -153,9 +154,9 @@ odev_release(struct inode *inode, struct file *file)
snd_seq_oss_drain_write(dp);
- down(&register_mutex);
+ mutex_lock(&register_mutex);
snd_seq_oss_release(dp);
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return 0;
}
@@ -224,13 +225,13 @@ register_device(void)
{
int rc;
- down(&register_mutex);
+ mutex_lock(&register_mutex);
if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER,
NULL, 0,
&seq_oss_f_ops, NULL,
SNDRV_SEQ_OSS_DEVNAME)) < 0) {
snd_printk(KERN_ERR "can't register device seq\n");
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return rc;
}
if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MUSIC,
@@ -239,24 +240,24 @@ register_device(void)
SNDRV_SEQ_OSS_DEVNAME)) < 0) {
snd_printk(KERN_ERR "can't register device music\n");
snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0);
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return rc;
}
debug_printk(("device registered\n"));
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
return 0;
}
static void
unregister_device(void)
{
- down(&register_mutex);
+ mutex_lock(&register_mutex);
debug_printk(("device unregistered\n"));
if (snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MUSIC, NULL, 0) < 0)
snd_printk(KERN_ERR "error unregister device music\n");
if (snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0) < 0)
snd_printk(KERN_ERR "error unregister device seq\n");
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
}
/*
@@ -270,12 +271,12 @@ static struct snd_info_entry *info_entry;
static void
info_read(struct snd_info_entry *entry, struct snd_info_buffer *buf)
{
- down(&register_mutex);
+ mutex_lock(&register_mutex);
snd_iprintf(buf, "OSS sequencer emulation version %s\n", SNDRV_SEQ_OSS_VERSION_STR);
snd_seq_oss_system_info_read(buf);
snd_seq_oss_synth_info_read(buf);
snd_seq_oss_midi_info_read(buf);
- up(&register_mutex);
+ mutex_unlock(&register_mutex);
}