diff options
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/usx2y/us122l.c | 10 | ||||
| -rw-r--r-- | sound/usb/usx2y/usX2Yhwdep.c | 13 |
2 files changed, 9 insertions, 14 deletions
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index 98276aa..012ff1f 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -349,14 +349,10 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS) return -ENOTTY; - cfg = kmalloc(sizeof(*cfg), GFP_KERNEL); - if (!cfg) - return -ENOMEM; + cfg = memdup_user((void *)arg, sizeof(*cfg)); + if (IS_ERR(cfg)) + return PTR_ERR(cfg); - if (copy_from_user(cfg, (void *)arg, sizeof(*cfg))) { - err = -EFAULT; - goto free; - } if (cfg->version != USB_STREAM_INTERFACE_VERSION) { err = -ENXIO; goto free; diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 4af8740..f3d8f71 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"); |