diff options
Diffstat (limited to 'net/ieee802154/socket.c')
| -rw-r--r-- | net/ieee802154/socket.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c index c25f7617770c..7bb9ef35c570 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -41,8 +41,7 @@ ieee802154_get_dev(struct net *net, const struct ieee802154_addr *addr) ieee802154_devaddr_to_raw(hwaddr, addr->extended_addr); rcu_read_lock(); dev = dev_getbyhwaddr_rcu(net, ARPHRD_IEEE802154, hwaddr); - if (dev) - dev_hold(dev); + dev_hold(dev); rcu_read_unlock(); break; case IEEE802154_ADDR_SHORT: @@ -129,7 +128,7 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg, int ret = -ENOIOCTLCMD; struct net_device *dev; - if (copy_from_user(&ifr, arg, sizeof(struct ifreq))) + if (get_user_ifreq(&ifr, NULL, arg)) return -EFAULT; ifr.ifr_name[IFNAMSIZ-1] = 0; @@ -143,7 +142,7 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg, if (dev->type == ARPHRD_IEEE802154 && dev->netdev_ops->ndo_do_ioctl) ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd); - if (!ret && copy_to_user(arg, &ifr, sizeof(struct ifreq))) + if (!ret && put_user_ifreq(&ifr, arg)) ret = -EFAULT; dev_put(dev); |