diff options
| -rw-r--r-- | net/core/ethtool.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index fbbe4b49116..794cf57078c 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -134,15 +134,21 @@ u32 ethtool_op_get_flags(struct net_device *dev) int ethtool_op_set_flags(struct net_device *dev, u32 data) { + const struct ethtool_ops *ops = dev->ethtool_ops; + if (data & ETH_FLAG_LRO) dev->features |= NETIF_F_LRO; else dev->features &= ~NETIF_F_LRO; - if (data & ETH_FLAG_NTUPLE) + if (data & ETH_FLAG_NTUPLE) { + if (!ops->set_rx_ntuple) + return -EOPNOTSUPP; dev->features |= NETIF_F_NTUPLE; - else + } else { + /* safe to clear regardless */ dev->features &= ~NETIF_F_NTUPLE; + } return 0; } @@ -318,9 +324,6 @@ static int ethtool_set_rx_ntuple(struct net_device *dev, void __user *useraddr) struct ethtool_rx_ntuple_flow_spec_container *fsc = NULL; int ret; - if (!ops->set_rx_ntuple) - return -EOPNOTSUPP; - if (!(dev->features & NETIF_F_NTUPLE)) return -EINVAL; |