diff options
Diffstat (limited to 'sound/usb/usx2y/us122l.c')
-rw-r--r-- | sound/usb/usx2y/us122l.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index 98276aafefe6..012ff1f6f8af 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, | |||
349 | if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS) | 349 | if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS) |
350 | return -ENOTTY; | 350 | return -ENOTTY; |
351 | 351 | ||
352 | cfg = kmalloc(sizeof(*cfg), GFP_KERNEL); | 352 | cfg = memdup_user((void *)arg, sizeof(*cfg)); |
353 | if (!cfg) | 353 | if (IS_ERR(cfg)) |
354 | return -ENOMEM; | 354 | return PTR_ERR(cfg); |
355 | 355 | ||
356 | if (copy_from_user(cfg, (void *)arg, sizeof(*cfg))) { | ||
357 | err = -EFAULT; | ||
358 | goto free; | ||
359 | } | ||
360 | if (cfg->version != USB_STREAM_INTERFACE_VERSION) { | 356 | if (cfg->version != USB_STREAM_INTERFACE_VERSION) { |
361 | err = -ENXIO; | 357 | err = -ENXIO; |
362 | goto free; | 358 | goto free; |