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-rw-r--r--sound/oss/vwsnd.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c
index 4bbcc0fcd4eb..a077e9c69a5e 100644
--- a/sound/oss/vwsnd.c
+++ b/sound/oss/vwsnd.c
@@ -2921,6 +2921,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
vwsnd_dev_t *devc;
int minor = iminor(inode);
int sw_samplefmt;
+ DEFINE_WAIT(wait);
DBGE("(inode=0x%p, file=0x%p)\n", inode, file);
@@ -2937,21 +2938,26 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
}
mutex_lock(&devc->open_mutex);
- while (devc->open_mode & file->f_mode) {
+ while (1) {
+ prepare_to_wait(&devc->open_wait, &wait, TASK_INTERRUPTIBLE);
+ if (!(devc->open_mode & file->f_mode))
+ break;
+
mutex_unlock(&devc->open_mutex);
+ mutex_unlock(&vwsnd_mutex);
if (file->f_flags & O_NONBLOCK) {
DEC_USE_COUNT;
- mutex_unlock(&vwsnd_mutex);
return -EBUSY;
}
- interruptible_sleep_on(&devc->open_wait);
+ schedule();
if (signal_pending(current)) {
DEC_USE_COUNT;
- mutex_unlock(&vwsnd_mutex);
return -ERESTARTSYS;
}
+ mutex_lock(&vwsnd_mutex);
mutex_lock(&devc->open_mutex);
}
+ finish_wait(&devc->open_wait, &wait);
devc->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
mutex_unlock(&devc->open_mutex);