@@ -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;
}