[ALSA] semaphore -> mutex (core part)

[linux-2.6] / sound / core / pcm_native.c

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index f3d5de7b55acd3ee46fa01ebb2519c5ab2eac3df..ce1956a5528d5341ff936e6f04dc1a4c4bca21d4 100644 (file)
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -2112,7 +2112,7 @@ static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream)
        }
        init_waitqueue_entry(&wait, current);
        add_wait_queue(&pcm->open_wait, &wait);
-       down(&pcm->open_mutex);
+       mutex_lock(&pcm->open_mutex);
        while (1) {
                err = snd_pcm_open_file(file, pcm, stream, &pcm_file);
                if (err >= 0)
@@ -2125,16 +2125,16 @@ static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream)
                } else
                        break;
                set_current_state(TASK_INTERRUPTIBLE);
-               up(&pcm->open_mutex);
+               mutex_unlock(&pcm->open_mutex);
                schedule();
-               down(&pcm->open_mutex);
+               mutex_lock(&pcm->open_mutex);
                if (signal_pending(current)) {
                        err = -ERESTARTSYS;
                        break;
                }
        }
        remove_wait_queue(&pcm->open_wait, &wait);
-       up(&pcm->open_mutex);
+       mutex_unlock(&pcm->open_mutex);
        if (err < 0)
                goto __error;
        return err;
@@ -2160,9 +2160,9 @@ static int snd_pcm_release(struct inode *inode, struct file *file)
        pcm = substream->pcm;
        snd_pcm_drop(substream);
        fasync_helper(-1, file, 0, &substream->runtime->fasync);
-       down(&pcm->open_mutex);
+       mutex_lock(&pcm->open_mutex);
        snd_pcm_release_file(pcm_file);
-       up(&pcm->open_mutex);
+       mutex_unlock(&pcm->open_mutex);
        wake_up(&pcm->open_wait);
        module_put(pcm->card->module);
        snd_card_file_remove(pcm->card, file);