diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index e5b8d42b6410..259abb1515d0 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4351,6 +4351,9 @@ int netdev_rx_handler_register(struct net_device *dev, if (netdev_is_rx_handler_busy(dev)) return -EBUSY; + if (dev->priv_flags & IFF_NO_RX_HANDLER) + return -EINVAL; + /* Note: rx_handler_data must be set before rx_handler */ rcu_assign_pointer(dev->rx_handler_data, rx_handler_data); rcu_assign_pointer(dev->rx_handler, rx_handler); |