diff options
Diffstat (limited to 'drivers/staging/cxt1e1')
| -rw-r--r-- | drivers/staging/cxt1e1/linux.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/cxt1e1/linux.c b/drivers/staging/cxt1e1/linux.c index 549efd1fa965..b2a06cafa63e 100644 --- a/drivers/staging/cxt1e1/linux.c +++ b/drivers/staging/cxt1e1/linux.c @@ -872,6 +872,8 @@ c4_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd) _IOC_SIZE(iocmd)); #endif iolen = _IOC_SIZE(iocmd); + if (iolen > sizeof(arg)) + return -EFAULT; data = ifr->ifr_data + sizeof(iocmd); if (copy_from_user(&arg, data, iolen)) return -EFAULT; |