diff options
| author | Joel Stanley <joel@jms.id.au> | 2016-02-02 13:23:36 +1100 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2016-02-02 13:23:42 +1100 |
| commit | f3f4aeb9ea8954c0da3cf0d12693f9a57f1f4ac7 (patch) | |
| tree | 3663ab29736373c565d88e941162d37311cc3c75 /sound/core/pcm_compat.c | |
| parent | 2a3f5f14fdf2e8fb680af168fa642ef8a9218ffb (diff) | |
| parent | 849a2d3d9be31368559e6852cf64d749e6903818 (diff) | |
| download | talos-obmc-linux-openbmc-20160202-1.tar.gz talos-obmc-linux-openbmc-20160202-1.zip | |
Merge tag 'v4.3.5' into dev-4.3openbmc-20160202-1
This is the 4.3.5 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'sound/core/pcm_compat.c')
| -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, if (! (runtime = substream->runtime)) return -ENOTTY; - /* only fifo_size is different, so just copy all */ - data = memdup_user(data32, sizeof(*data32)); - if (IS_ERR(data)) - return PTR_ERR(data); + data = kmalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + /* only fifo_size (RO from userspace) is different, so just copy all */ + if (copy_from_user(data, data32, sizeof(*data32))) { + err = -EFAULT; + goto error; + } if (refine) err = snd_pcm_hw_refine(substream, data); |
