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Diffstat (limited to 'sound/core/compress_offload.c')
-rw-r--r--sound/core/compress_offload.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index a9933c07a6bf..9b3334be9df2 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -288,9 +288,12 @@ static ssize_t snd_compr_write(struct file *f, const char __user *buf,
stream = &data->stream;
mutex_lock(&stream->device->lock);
/* write is allowed when stream is running or has been steup */
- if (stream->runtime->state != SNDRV_PCM_STATE_SETUP &&
- stream->runtime->state != SNDRV_PCM_STATE_PREPARED &&
- stream->runtime->state != SNDRV_PCM_STATE_RUNNING) {
+ switch (stream->runtime->state) {
+ case SNDRV_PCM_STATE_SETUP:
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_RUNNING:
+ break;
+ default:
mutex_unlock(&stream->device->lock);
return -EBADFD;
}
@@ -391,14 +394,13 @@ static unsigned int snd_compr_poll(struct file *f, poll_table *wait)
int retval = 0;
if (snd_BUG_ON(!data))
- return -EFAULT;
+ return POLLERR;
+
stream = &data->stream;
- if (snd_BUG_ON(!stream))
- return -EFAULT;
mutex_lock(&stream->device->lock);
if (stream->runtime->state == SNDRV_PCM_STATE_OPEN) {
- retval = -EBADFD;
+ retval = snd_compr_get_poll(stream) | POLLERR;
goto out;
}
poll_wait(f, &stream->runtime->sleep, wait);
@@ -421,10 +423,7 @@ static unsigned int snd_compr_poll(struct file *f, poll_table *wait)
retval = snd_compr_get_poll(stream);
break;
default:
- if (stream->direction == SND_COMPRESS_PLAYBACK)
- retval = POLLOUT | POLLWRNORM | POLLERR;
- else
- retval = POLLIN | POLLRDNORM | POLLERR;
+ retval = snd_compr_get_poll(stream) | POLLERR;
break;
}
out:
@@ -802,9 +801,9 @@ static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
if (snd_BUG_ON(!data))
return -EFAULT;
+
stream = &data->stream;
- if (snd_BUG_ON(!stream))
- return -EFAULT;
+
mutex_lock(&stream->device->lock);
switch (_IOC_NR(cmd)) {
case _IOC_NR(SNDRV_COMPRESS_IOCTL_VERSION):