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-rw-r--r--sound/core/pcm_native.c128
1 files changed, 65 insertions, 63 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index ad0541e9e888..33769ca78cc8 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -595,8 +595,8 @@ static void snd_pcm_set_state(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
snd_pcm_stream_lock_irq(substream);
- if (substream->runtime->status->state != SNDRV_PCM_STATE_DISCONNECTED)
- substream->runtime->status->state = state;
+ if (substream->runtime->state != SNDRV_PCM_STATE_DISCONNECTED)
+ __snd_pcm_set_state(substream->runtime, state);
snd_pcm_stream_unlock_irq(substream);
}
@@ -724,7 +724,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
if (err < 0)
return err;
snd_pcm_stream_lock_irq(substream);
- switch (runtime->status->state) {
+ switch (runtime->state) {
case SNDRV_PCM_STATE_OPEN:
case SNDRV_PCM_STATE_SETUP:
case SNDRV_PCM_STATE_PREPARED:
@@ -889,7 +889,7 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
if (result < 0)
return result;
snd_pcm_stream_lock_irq(substream);
- switch (runtime->status->state) {
+ switch (runtime->state) {
case SNDRV_PCM_STATE_SETUP:
case SNDRV_PCM_STATE_PREPARED:
if (atomic_read(&substream->mmap_count))
@@ -920,7 +920,7 @@ static int snd_pcm_sw_params(struct snd_pcm_substream *substream,
return -ENXIO;
runtime = substream->runtime;
snd_pcm_stream_lock_irq(substream);
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN) {
+ if (runtime->state == SNDRV_PCM_STATE_OPEN) {
snd_pcm_stream_unlock_irq(substream);
return -EBADFD;
}
@@ -1013,8 +1013,8 @@ int snd_pcm_status64(struct snd_pcm_substream *substream,
} else
runtime->audio_tstamp_report.valid = 1;
- status->state = runtime->status->state;
- status->suspended_state = runtime->status->suspended_state;
+ status->state = runtime->state;
+ status->suspended_state = runtime->suspended_state;
if (status->state == SNDRV_PCM_STATE_OPEN)
goto _end;
status->trigger_tstamp_sec = runtime->trigger_tstamp.tv_sec;
@@ -1148,7 +1148,7 @@ static int snd_pcm_channel_info(struct snd_pcm_substream *substream,
channel = info->channel;
runtime = substream->runtime;
snd_pcm_stream_lock_irq(substream);
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN) {
+ if (runtime->state == SNDRV_PCM_STATE_OPEN) {
snd_pcm_stream_unlock_irq(substream);
return -EBADFD;
}
@@ -1411,7 +1411,7 @@ static int snd_pcm_pre_start(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- if (runtime->status->state != SNDRV_PCM_STATE_PREPARED)
+ if (runtime->state != SNDRV_PCM_STATE_PREPARED)
return -EBADFD;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
!snd_pcm_playback_data(substream))
@@ -1444,7 +1444,7 @@ static void snd_pcm_post_start(struct snd_pcm_substream *substream,
runtime->hw_ptr_jiffies = jiffies;
runtime->hw_ptr_buffer_jiffies = (runtime->buffer_size * HZ) /
runtime->rate;
- runtime->status->state = state;
+ __snd_pcm_set_state(runtime, state);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
runtime->silence_size > 0)
snd_pcm_playback_silence(substream, ULONG_MAX);
@@ -1485,7 +1485,7 @@ static int snd_pcm_pre_stop(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
runtime->trigger_master = substream;
return 0;
@@ -1506,9 +1506,9 @@ static void snd_pcm_post_stop(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- if (runtime->status->state != state) {
+ if (runtime->state != state) {
snd_pcm_trigger_tstamp(substream);
- runtime->status->state = state;
+ __snd_pcm_set_state(runtime, state);
snd_pcm_timer_notify(substream, SNDRV_TIMER_EVENT_MSTOP);
}
wake_up(&runtime->sleep);
@@ -1584,9 +1584,9 @@ static int snd_pcm_pre_pause(struct snd_pcm_substream *substream,
if (!(runtime->info & SNDRV_PCM_INFO_PAUSE))
return -ENOSYS;
if (pause_pushed(state)) {
- if (runtime->status->state != SNDRV_PCM_STATE_RUNNING)
+ if (runtime->state != SNDRV_PCM_STATE_RUNNING)
return -EBADFD;
- } else if (runtime->status->state != SNDRV_PCM_STATE_PAUSED)
+ } else if (runtime->state != SNDRV_PCM_STATE_PAUSED)
return -EBADFD;
runtime->trigger_master = substream;
return 0;
@@ -1628,12 +1628,12 @@ static void snd_pcm_post_pause(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_trigger_tstamp(substream);
if (pause_pushed(state)) {
- runtime->status->state = SNDRV_PCM_STATE_PAUSED;
+ __snd_pcm_set_state(runtime, SNDRV_PCM_STATE_PAUSED);
snd_pcm_timer_notify(substream, SNDRV_TIMER_EVENT_MPAUSE);
wake_up(&runtime->sleep);
wake_up(&runtime->tsleep);
} else {
- runtime->status->state = SNDRV_PCM_STATE_RUNNING;
+ __snd_pcm_set_state(runtime, SNDRV_PCM_STATE_RUNNING);
snd_pcm_timer_notify(substream, SNDRV_TIMER_EVENT_MCONTINUE);
}
}
@@ -1668,7 +1668,7 @@ static int snd_pcm_pre_suspend(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- switch (runtime->status->state) {
+ switch (runtime->state) {
case SNDRV_PCM_STATE_SUSPENDED:
return -EBUSY;
/* unresumable PCM state; return -EBUSY for skipping suspend */
@@ -1699,8 +1699,9 @@ static void snd_pcm_post_suspend(struct snd_pcm_substream *substream,
{
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_trigger_tstamp(substream);
- runtime->status->suspended_state = runtime->status->state;
- runtime->status->state = SNDRV_PCM_STATE_SUSPENDED;
+ runtime->suspended_state = runtime->state;
+ runtime->status->suspended_state = runtime->suspended_state;
+ __snd_pcm_set_state(runtime, SNDRV_PCM_STATE_SUSPENDED);
snd_pcm_timer_notify(substream, SNDRV_TIMER_EVENT_MSUSPEND);
wake_up(&runtime->sleep);
wake_up(&runtime->tsleep);
@@ -1791,8 +1792,8 @@ static int snd_pcm_do_resume(struct snd_pcm_substream *substream,
if (runtime->trigger_master != substream)
return 0;
/* DMA not running previously? */
- if (runtime->status->suspended_state != SNDRV_PCM_STATE_RUNNING &&
- (runtime->status->suspended_state != SNDRV_PCM_STATE_DRAINING ||
+ if (runtime->suspended_state != SNDRV_PCM_STATE_RUNNING &&
+ (runtime->suspended_state != SNDRV_PCM_STATE_DRAINING ||
substream->stream != SNDRV_PCM_STREAM_PLAYBACK))
return 0;
return substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_RESUME);
@@ -1811,7 +1812,7 @@ static void snd_pcm_post_resume(struct snd_pcm_substream *substream,
{
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_trigger_tstamp(substream);
- runtime->status->state = runtime->status->suspended_state;
+ __snd_pcm_set_state(runtime, runtime->suspended_state);
snd_pcm_timer_notify(substream, SNDRV_TIMER_EVENT_MRESUME);
}
@@ -1848,7 +1849,7 @@ static int snd_pcm_xrun(struct snd_pcm_substream *substream)
int result;
snd_pcm_stream_lock_irq(substream);
- switch (runtime->status->state) {
+ switch (runtime->state) {
case SNDRV_PCM_STATE_XRUN:
result = 0; /* already there */
break;
@@ -1871,7 +1872,7 @@ static int snd_pcm_pre_reset(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- switch (runtime->status->state) {
+ switch (runtime->state) {
case SNDRV_PCM_STATE_RUNNING:
case SNDRV_PCM_STATE_PREPARED:
case SNDRV_PCM_STATE_PAUSED:
@@ -1933,8 +1934,8 @@ static int snd_pcm_pre_prepare(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
int f_flags = (__force int)state;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
- runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
if (snd_pcm_running(substream))
return -EBUSY;
@@ -1985,7 +1986,7 @@ static int snd_pcm_prepare(struct snd_pcm_substream *substream,
f_flags = substream->f_flags;
snd_pcm_stream_lock_irq(substream);
- switch (substream->runtime->status->state) {
+ switch (substream->runtime->state) {
case SNDRV_PCM_STATE_PAUSED:
snd_pcm_pause(substream, false);
fallthrough;
@@ -2009,7 +2010,7 @@ static int snd_pcm_pre_drain_init(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- switch (runtime->status->state) {
+ switch (runtime->state) {
case SNDRV_PCM_STATE_OPEN:
case SNDRV_PCM_STATE_DISCONNECTED:
case SNDRV_PCM_STATE_SUSPENDED:
@@ -2024,28 +2025,28 @@ static int snd_pcm_do_drain_init(struct snd_pcm_substream *substream,
{
struct snd_pcm_runtime *runtime = substream->runtime;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- switch (runtime->status->state) {
+ switch (runtime->state) {
case SNDRV_PCM_STATE_PREPARED:
/* start playback stream if possible */
if (! snd_pcm_playback_empty(substream)) {
snd_pcm_do_start(substream, SNDRV_PCM_STATE_DRAINING);
snd_pcm_post_start(substream, SNDRV_PCM_STATE_DRAINING);
} else {
- runtime->status->state = SNDRV_PCM_STATE_SETUP;
+ __snd_pcm_set_state(runtime, SNDRV_PCM_STATE_SETUP);
}
break;
case SNDRV_PCM_STATE_RUNNING:
- runtime->status->state = SNDRV_PCM_STATE_DRAINING;
+ __snd_pcm_set_state(runtime, SNDRV_PCM_STATE_DRAINING);
break;
case SNDRV_PCM_STATE_XRUN:
- runtime->status->state = SNDRV_PCM_STATE_SETUP;
+ __snd_pcm_set_state(runtime, SNDRV_PCM_STATE_SETUP);
break;
default:
break;
}
} else {
/* stop running stream */
- if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) {
+ if (runtime->state == SNDRV_PCM_STATE_RUNNING) {
snd_pcm_state_t new_state;
new_state = snd_pcm_capture_avail(runtime) > 0 ?
@@ -2055,7 +2056,7 @@ static int snd_pcm_do_drain_init(struct snd_pcm_substream *substream,
}
}
- if (runtime->status->state == SNDRV_PCM_STATE_DRAINING &&
+ if (runtime->state == SNDRV_PCM_STATE_DRAINING &&
runtime->trigger_master == substream &&
(runtime->hw.info & SNDRV_PCM_INFO_DRAIN_TRIGGER))
return substream->ops->trigger(substream,
@@ -2096,7 +2097,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
card = substream->pcm->card;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
if (file) {
@@ -2107,7 +2108,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
snd_pcm_stream_lock_irq(substream);
/* resume pause */
- if (runtime->status->state == SNDRV_PCM_STATE_PAUSED)
+ if (runtime->state == SNDRV_PCM_STATE_PAUSED)
snd_pcm_pause(substream, false);
/* pre-start/stop - all running streams are changed to DRAINING state */
@@ -2135,7 +2136,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
if (s->stream != SNDRV_PCM_STREAM_PLAYBACK)
continue;
runtime = s->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) {
+ if (runtime->state == SNDRV_PCM_STATE_DRAINING) {
to_check = runtime;
break;
}
@@ -2174,7 +2175,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
break;
}
if (tout == 0) {
- if (substream->runtime->status->state == SNDRV_PCM_STATE_SUSPENDED)
+ if (substream->runtime->state == SNDRV_PCM_STATE_SUSPENDED)
result = -ESTRPIPE;
else {
dev_dbg(substream->pcm->card->dev,
@@ -2206,13 +2207,13 @@ static int snd_pcm_drop(struct snd_pcm_substream *substream)
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
- runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
snd_pcm_stream_lock_irq(substream);
/* resume pause */
- if (runtime->status->state == SNDRV_PCM_STATE_PAUSED)
+ if (runtime->state == SNDRV_PCM_STATE_PAUSED)
snd_pcm_pause(substream, false);
snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
@@ -2275,8 +2276,8 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
snd_pcm_group_init(group);
down_write(&snd_pcm_link_rwsem);
- if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN ||
- substream->runtime->status->state != substream1->runtime->status->state ||
+ if (substream->runtime->state == SNDRV_PCM_STATE_OPEN ||
+ substream->runtime->state != substream1->runtime->state ||
substream->pcm->nonatomic != substream1->pcm->nonatomic) {
res = -EBADFD;
goto _end;
@@ -2700,7 +2701,7 @@ void snd_pcm_release_substream(struct snd_pcm_substream *substream)
snd_pcm_drop(substream);
if (substream->hw_opened) {
- if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
+ if (substream->runtime->state != SNDRV_PCM_STATE_OPEN)
do_hw_free(substream);
substream->ops->close(substream);
substream->hw_opened = 0;
@@ -2904,7 +2905,7 @@ static int snd_pcm_release(struct inode *inode, struct file *file)
*/
static int do_pcm_hwsync(struct snd_pcm_substream *substream)
{
- switch (substream->runtime->status->state) {
+ switch (substream->runtime->state) {
case SNDRV_PCM_STATE_DRAINING:
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
return -EBADFD;
@@ -3203,7 +3204,7 @@ static int snd_pcm_xferi_frames_ioctl(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_sframes_t result;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
if (put_user(0, &_xferi->result))
return -EFAULT;
@@ -3226,7 +3227,7 @@ static int snd_pcm_xfern_frames_ioctl(struct snd_pcm_substream *substream,
void *bufs;
snd_pcm_sframes_t result;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
if (runtime->channels > 128)
return -EINVAL;
@@ -3290,7 +3291,7 @@ static int snd_pcm_common_ioctl(struct file *file,
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
- if (substream->runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (substream->runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
res = snd_power_wait(substream->pcm->card);
@@ -3421,7 +3422,7 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream,
snd_pcm_uframes_t *frames = arg;
snd_pcm_sframes_t result;
- if (substream->runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (substream->runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
switch (cmd) {
@@ -3466,8 +3467,8 @@ static ssize_t snd_pcm_read(struct file *file, char __user *buf, size_t count,
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
- runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
if (!frame_aligned(runtime, count))
return -EINVAL;
@@ -3491,8 +3492,8 @@ static ssize_t snd_pcm_write(struct file *file, const char __user *buf,
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
- runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
if (!frame_aligned(runtime, count))
return -EINVAL;
@@ -3518,8 +3519,8 @@ static ssize_t snd_pcm_readv(struct kiocb *iocb, struct iov_iter *to)
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
- runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
if (!iter_is_iovec(to))
return -EINVAL;
@@ -3555,8 +3556,8 @@ static ssize_t snd_pcm_writev(struct kiocb *iocb, struct iov_iter *from)
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
- runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN ||
+ runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
if (!iter_is_iovec(from))
return -EINVAL;
@@ -3595,7 +3596,7 @@ static __poll_t snd_pcm_poll(struct file *file, poll_table *wait)
return ok | EPOLLERR;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return ok | EPOLLERR;
poll_wait(file, &runtime->sleep, wait);
@@ -3603,7 +3604,7 @@ static __poll_t snd_pcm_poll(struct file *file, poll_table *wait)
mask = 0;
snd_pcm_stream_lock_irq(substream);
avail = snd_pcm_avail(substream);
- switch (runtime->status->state) {
+ switch (runtime->state) {
case SNDRV_PCM_STATE_RUNNING:
case SNDRV_PCM_STATE_PREPARED:
case SNDRV_PCM_STATE_PAUSED:
@@ -3667,6 +3668,7 @@ static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file
area->vm_ops = &snd_pcm_vm_ops_status;
area->vm_private_data = substream;
area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+ area->vm_flags &= ~(VM_WRITE | VM_MAYWRITE);
return 0;
}
@@ -3874,7 +3876,7 @@ int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file,
return -EINVAL;
}
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ if (runtime->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
if (!(runtime->info & SNDRV_PCM_INFO_MMAP))
return -ENXIO;
@@ -3911,7 +3913,7 @@ static int snd_pcm_mmap(struct file *file, struct vm_area_struct *area)
substream = pcm_file->substream;
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
- if (substream->runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (substream->runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
offset = area->vm_pgoff << PAGE_SHIFT;
@@ -3949,7 +3951,7 @@ static int snd_pcm_fasync(int fd, struct file * file, int on)
if (PCM_RUNTIME_CHECK(substream))
return -ENXIO;
runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+ if (runtime->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
return snd_fasync_helper(fd, file, on, &runtime->fasync);
}