diff options
-rw-r--r-- | drivers/char/hpet.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index 8e59639fb03c..c85d11de5feb 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c | |||
@@ -500,8 +500,12 @@ hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, int kernel) | |||
500 | readq(&timer->hpet_config) & Tn_PER_INT_CAP_MASK; | 500 | readq(&timer->hpet_config) & Tn_PER_INT_CAP_MASK; |
501 | info.hi_hpet = devp->hd_hpets->hp_which; | 501 | info.hi_hpet = devp->hd_hpets->hp_which; |
502 | info.hi_timer = devp - devp->hd_hpets->hp_dev; | 502 | info.hi_timer = devp - devp->hd_hpets->hp_dev; |
503 | if (copy_to_user((void __user *)arg, &info, sizeof(info))) | 503 | if (kernel) |
504 | err = -EFAULT; | 504 | memcpy((void *)arg, &info, sizeof(info)); |
505 | else | ||
506 | if (copy_to_user((void __user *)arg, &info, | ||
507 | sizeof(info))) | ||
508 | err = -EFAULT; | ||
505 | break; | 509 | break; |
506 | } | 510 | } |
507 | case HPET_EPI: | 511 | case HPET_EPI: |