diff options
| -rw-r--r-- | sound/core/pcm_compat.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c index b48b434444ed..9630e9f72b7b 100644 --- a/sound/core/pcm_compat.c +++ b/sound/core/pcm_compat.c | |||
| @@ -255,10 +255,15 @@ static int snd_pcm_ioctl_hw_params_compat(struct snd_pcm_substream *substream, | |||
| 255 | if (! (runtime = substream->runtime)) | 255 | if (! (runtime = substream->runtime)) |
| 256 | return -ENOTTY; | 256 | return -ENOTTY; |
| 257 | 257 | ||
| 258 | /* only fifo_size is different, so just copy all */ | 258 | data = kmalloc(sizeof(*data), GFP_KERNEL); |
| 259 | data = memdup_user(data32, sizeof(*data32)); | 259 | if (!data) |
| 260 | if (IS_ERR(data)) | 260 | return -ENOMEM; |
| 261 | return PTR_ERR(data); | 261 | |
| 262 | /* only fifo_size (RO from userspace) is different, so just copy all */ | ||
| 263 | if (copy_from_user(data, data32, sizeof(*data32))) { | ||
| 264 | err = -EFAULT; | ||
| 265 | goto error; | ||
| 266 | } | ||
| 262 | 267 | ||
| 263 | if (refine) | 268 | if (refine) |
| 264 | err = snd_pcm_hw_refine(substream, data); | 269 | err = snd_pcm_hw_refine(substream, data); |