diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-04-15 13:24:27 +0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-04-15 13:24:27 +0400 |
| commit | f4723b224d21ff546ac1fea4483094548d529479 (patch) | |
| tree | 1257dceebcacbf04d3cd6eabf7ff75cfac2edd96 /sound/usb/usx2y/usX2Yhwdep.c | |
| parent | 00610a81df32ea50dba0105078e7369988caef3b (diff) | |
| parent | 336500f0305dc1552e8d01a60b409a7db781ca28 (diff) | |
| download | linux-f4723b224d21ff546ac1fea4483094548d529479.tar.xz | |
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/usb/usx2y/usX2Yhwdep.c')
| -rw-r--r-- | sound/usb/usx2y/usX2Yhwdep.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 4af8740db717..f3d8f71265dd 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -203,13 +203,12 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw, if (access_ok(VERIFY_READ, dsp->image, dsp->length)) { struct usb_device* dev = priv->chip.dev; - char *buf = kmalloc(dsp->length, GFP_KERNEL); - if (!buf) - return -ENOMEM; - if (copy_from_user(buf, dsp->image, dsp->length)) { - kfree(buf); - return -EFAULT; - } + char *buf; + + buf = memdup_user(dsp->image, dsp->length); + if (IS_ERR(buf)) + return PTR_ERR(buf); + err = usb_set_interface(dev, 0, 1); if (err) snd_printk(KERN_ERR "usb_set_interface error \n"); |