diff options
Diffstat (limited to 'sound/core/pcm_native.c')
| -rw-r--r-- | sound/core/pcm_native.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 9ade0c8b54a3..1c53d93e68f2 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -2770,6 +2770,8 @@ static int snd_pcm_common_ioctl(struct file *file, struct snd_pcm_substream *substream, unsigned int cmd, void __user *arg) { + struct snd_pcm_file *pcm_file = file->private_data; + switch (cmd) { case SNDRV_PCM_IOCTL_PVERSION: return put_user(SNDRV_PCM_VERSION, (int __user *)arg) ? -EFAULT : 0; @@ -2779,6 +2781,11 @@ static int snd_pcm_common_ioctl(struct file *file, return 0; case SNDRV_PCM_IOCTL_TTSTAMP: return snd_pcm_tstamp(substream, arg); + case SNDRV_PCM_IOCTL_USER_PVERSION: + if (get_user(pcm_file->user_pversion, + (unsigned int __user *)arg)) + return -EFAULT; + return 0; case SNDRV_PCM_IOCTL_HW_REFINE: return snd_pcm_hw_refine_user(substream, arg); case SNDRV_PCM_IOCTL_HW_PARAMS: |