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| author | Takashi Iwai <tiwai@suse.de> | 2009-04-15 11:24:27 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-04-15 11:24:27 +0200 |
| commit | f4723b224d21ff546ac1fea4483094548d529479 (patch) | |
| tree | 1257dceebcacbf04d3cd6eabf7ff75cfac2edd96 /sound/isa/wavefront/wavefront_fx.c | |
| parent | Merge branch 'topic/usb-caiaq' into for-linus (diff) | |
| parent | ALSA: sound/pci: use memdup_user() (diff) | |
| download | linux-f4723b224d21ff546ac1fea4483094548d529479.tar.xz linux-f4723b224d21ff546ac1fea4483094548d529479.zip | |
Merge branch 'topic/memdup_user' into for-linus
* topic/memdup_user:
ALSA: sound/pci: use memdup_user()
ALSA: sound/usb: use memdup_user()
ALSA: sound/isa: use memdup_user()
ALSA: sound/core: use memdup_user()
Diffstat (limited to 'sound/isa/wavefront/wavefront_fx.c')
| -rw-r--r-- | sound/isa/wavefront/wavefront_fx.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/sound/isa/wavefront/wavefront_fx.c b/sound/isa/wavefront/wavefront_fx.c index a4345fc07561..2bb1cee09255 100644 --- a/sound/isa/wavefront/wavefront_fx.c +++ b/sound/isa/wavefront/wavefront_fx.c @@ -202,15 +202,11 @@ snd_wavefront_fx_ioctl (struct snd_hwdep *sdev, struct file *file, "> 512 bytes to FX\n"); return -EIO; } - page_data = kmalloc(r.data[2] * sizeof(short), GFP_KERNEL); - if (!page_data) - return -ENOMEM; - if (copy_from_user (page_data, - (unsigned char __user *) r.data[3], - r.data[2] * sizeof(short))) { - kfree(page_data); - return -EFAULT; - } + page_data = memdup_user((unsigned char __user *) + r.data[3], + r.data[2] * sizeof(short)); + if (IS_ERR(page_data)) + return PTR_ERR(page_data); pd = page_data; } |