diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-02-02 09:45:39 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-02-02 09:45:39 +0100 |
| commit | eaa4e4fcf1b5c60e656d93242f7fe422173f25b2 (patch) | |
| tree | c05d5d6ca3f625d72a9d136b4c485d3dc9472089 /sound/oss/vwsnd.c | |
| parent | be1e4e760d940c14d119bffef5eb007dfdf29046 (diff) | |
| parent | 5cb480f6b488128140c940abff3c36f524a334a8 (diff) | |
Merge branch 'linus' into sched/core, to resolve conflicts
Conflicts:
kernel/sysctl.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/oss/vwsnd.c')
| -rw-r--r-- | sound/oss/vwsnd.c | 14 |
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); |