diff options
| -rw-r--r-- | net/ieee802154/af_ieee802154.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c index c7da600750b..93c91b633a5 100644 --- a/net/ieee802154/af_ieee802154.c +++ b/net/ieee802154/af_ieee802154.c @@ -151,6 +151,9 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg, dev_load(sock_net(sk), ifr.ifr_name); dev = dev_get_by_name(sock_net(sk), ifr.ifr_name); + if (!dev) + return -ENODEV; + if (dev->type == ARPHRD_IEEE802154 && dev->netdev_ops->ndo_do_ioctl) ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd); |