[ALSA] semaphore -> mutex (core part)

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>

1 files changed, 21 insertions, 19 deletions

diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index d92c3ce4a4c9..f903d1bd74d5 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -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;