[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, 22 insertions, 21 deletions

diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c
index 618c43be0bc3..2524e66eccdd 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -25,6 +25,7 @@
 #include <linux/smp_lock.h>
 #include <linux/slab.h>
 #include <linux/time.h>
+#include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/minors.h>
@@ -36,7 +37,7 @@ MODULE_DESCRIPTION("Hardware dependent layer");
 MODULE_LICENSE("GPL");
 
 static LIST_HEAD(snd_hwdep_devices);
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
 
 static int snd_hwdep_free(struct snd_hwdep *hwdep);
 static int snd_hwdep_dev_free(struct snd_device *device);
@@ -111,7 +112,7 @@ static int snd_hwdep_open(struct inode *inode, struct file * file)
 
         init_waitqueue_entry(&wait, current);
         add_wait_queue(&hw->open_wait, &wait);
-        down(&hw->open_mutex);
+        mutex_lock(&hw->open_mutex);
         while (1) {
                 if (hw->exclusive && hw->used > 0) {
                         err = -EBUSY;
@@ -128,9 +129,9 @@ static int snd_hwdep_open(struct inode *inode, struct file * file)
                 } else
                         break;
                 set_current_state(TASK_INTERRUPTIBLE);
-                up(&hw->open_mutex);
+                mutex_unlock(&hw->open_mutex);
                 schedule();
-                down(&hw->open_mutex);
+                mutex_lock(&hw->open_mutex);
                 if (signal_pending(current)) {
                         err = -ERESTARTSYS;
                         break;
@@ -147,7 +148,7 @@ static int snd_hwdep_open(struct inode *inode, struct file * file)
                                 hw->ops.release(hw, file);
                 }
         }
-        up(&hw->open_mutex);
+        mutex_unlock(&hw->open_mutex);
         if (err < 0)
                 module_put(hw->card->module);
         return err;
@@ -157,7 +158,7 @@ static int snd_hwdep_release(struct inode *inode, struct file * file)
 {
         int err = -ENXIO;
         struct snd_hwdep *hw = file->private_data;
-        down(&hw->open_mutex);
+        mutex_lock(&hw->open_mutex);
         if (hw->ops.release) {
                 err = hw->ops.release(hw, file);
                 wake_up(&hw->open_wait);
@@ -165,7 +166,7 @@ static int snd_hwdep_release(struct inode *inode, struct file * file)
         if (hw->used > 0)
                 hw->used--;
         snd_card_file_remove(hw->card, file);
-        up(&hw->open_mutex);
+        mutex_unlock(&hw->open_mutex);
         module_put(hw->card->module);
         return err;
 }
@@ -272,7 +273,7 @@ static int snd_hwdep_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_MINOR_HWDEPS) {
                                 if (snd_hwdep_search(card, device))
@@ -281,7 +282,7 @@ static int snd_hwdep_control_ioctl(struct snd_card *card,
                         }
                         if (device >= SNDRV_MINOR_HWDEPS)
                                 device = -1;
-                        up(&register_mutex);
+                        mutex_unlock(&register_mutex);
                         if (put_user(device, (int __user *)arg))
                                 return -EFAULT;
                         return 0;
@@ -294,13 +295,13 @@ static int snd_hwdep_control_ioctl(struct snd_card *card,
 
                         if (get_user(device, &info->device))
                                 return -EFAULT;
-                        down(&register_mutex);
+                        mutex_lock(&register_mutex);
                         hwdep = snd_hwdep_search(card, device);
                         if (hwdep)
                                 err = snd_hwdep_info(hwdep, info);
                         else
                                 err = -ENXIO;
-                        up(&register_mutex);
+                        mutex_unlock(&register_mutex);
                         return err;
                 }
         }
@@ -375,7 +376,7 @@ int snd_hwdep_new(struct snd_card *card, char *id, int device,
                 return err;
         }
         init_waitqueue_head(&hwdep->open_wait);
-        init_MUTEX(&hwdep->open_mutex);
+        mutex_init(&hwdep->open_mutex);
         *rhwdep = hwdep;
         return 0;
 }
@@ -401,9 +402,9 @@ static int snd_hwdep_dev_register(struct snd_device *device)
         int err;
         char name[32];
 
-        down(&register_mutex);
+        mutex_lock(&register_mutex);
         if (snd_hwdep_search(hwdep->card, hwdep->device)) {
-                up(&register_mutex);
+                mutex_unlock(&register_mutex);
                 return -EBUSY;
         }
         list_add_tail(&hwdep->list, &snd_hwdep_devices);
@@ -414,7 +415,7 @@ static int snd_hwdep_dev_register(struct snd_device *device)
                 snd_printk(KERN_ERR "unable to register hardware dependent device %i:%i\n",
                            hwdep->card->number, hwdep->device);
                 list_del(&hwdep->list);
-                up(&register_mutex);
+                mutex_unlock(&register_mutex);
                 return err;
         }
 #ifdef CONFIG_SND_OSSEMUL
@@ -434,7 +435,7 @@ static int snd_hwdep_dev_register(struct snd_device *device)
                 }
         }
 #endif
-        up(&register_mutex);
+        mutex_unlock(&register_mutex);
         return 0;
 }
 
@@ -443,9 +444,9 @@ static int snd_hwdep_dev_unregister(struct snd_device *device)
         struct snd_hwdep *hwdep = device->device_data;
 
         snd_assert(hwdep != NULL, return -ENXIO);
-        down(&register_mutex);
+        mutex_lock(&register_mutex);
         if (snd_hwdep_search(hwdep->card, hwdep->device) != hwdep) {
-                up(&register_mutex);
+                mutex_unlock(&register_mutex);
                 return -EINVAL;
         }
 #ifdef CONFIG_SND_OSSEMUL
@@ -454,7 +455,7 @@ static int snd_hwdep_dev_unregister(struct snd_device *device)
 #endif
         snd_unregister_device(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, hwdep->device);
         list_del(&hwdep->list);
-        up(&register_mutex);
+        mutex_unlock(&register_mutex);
         return snd_hwdep_free(hwdep);
 }
 
@@ -469,13 +470,13 @@ static void snd_hwdep_proc_read(struct snd_info_entry *entry,
         struct list_head *p;
         struct snd_hwdep *hwdep;
 
-        down(&register_mutex);
+        mutex_lock(&register_mutex);
         list_for_each(p, &snd_hwdep_devices) {
                 hwdep = list_entry(p, struct snd_hwdep, list);
                 snd_iprintf(buffer, "%02i-%02i: %s\n",
                             hwdep->card->number, hwdep->device, hwdep->name);
         }
-        up(&register_mutex);
+        mutex_unlock(&register_mutex);
 }
 
 static struct snd_info_entry *snd_hwdep_proc_entry;