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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-04-10 09:43:08 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-04-14 12:39:12 +0200 |
| commit | ef44a1ec6eeef189998f84e7230e1d3535b01074 (patch) | |
| tree | 0baa5cc0bf27af13469c75bcb89cc55e448f45dd /sound/core/pcm_compat.c | |
| parent | 577c9c456f0e1371cbade38eaf91ae8e8a308555 (diff) | |
| download | linux-ef44a1ec6eeef189998f84e7230e1d3535b01074.tar.gz linux-ef44a1ec6eeef189998f84e7230e1d3535b01074.tar.bz2 linux-ef44a1ec6eeef189998f84e7230e1d3535b01074.zip | |
ALSA: sound/core: use memdup_user()
Remove open-coded memdup_user().
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/pcm_compat.c')
| -rw-r--r-- | sound/core/pcm_compat.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c index 36d7a5998234..08bfed594a83 100644 --- a/sound/core/pcm_compat.c +++ b/sound/core/pcm_compat.c @@ -232,14 +232,11 @@ static int snd_pcm_ioctl_hw_params_compat(struct snd_pcm_substream *substream, if (! (runtime = substream->runtime)) return -ENOTTY; - data = kmalloc(sizeof(*data), GFP_KERNEL); - if (data == NULL) - return -ENOMEM; /* only fifo_size is different, so just copy all */ - if (copy_from_user(data, data32, sizeof(*data32))) { - err = -EFAULT; - goto error; - } + data = memdup_user(data32, sizeof(*data32)); + if (IS_ERR(data)) + return PTR_ERR(data); + if (refine) err = snd_pcm_hw_refine(substream, data); else |