diff options
| -rw-r--r-- | net/ethtool/common.c | 2 | ||||
| -rw-r--r-- | net/ethtool/ioctl.c | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/net/ethtool/common.c b/net/ethtool/common.c index d62dc56f2f5b..459cf25e763e 100644 --- a/net/ethtool/common.c +++ b/net/ethtool/common.c @@ -812,6 +812,8 @@ int ethtool_check_ops(const struct ethtool_ops *ops) return -EINVAL; if (WARN_ON(ops->rxfh_max_num_contexts == 1)) return -EINVAL; + if (WARN_ON(ops->supported_input_xfrm && !ops->get_rxfh_fields)) + return -EINVAL; /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime, * the fact that ops are checked at registration time does not * mean the ops attached to a netdev later on are sane. diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index cccb4694f5e1..830623678cb3 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -1041,6 +1041,9 @@ static int ethtool_check_flow_types(struct net_device *dev, u32 input_xfrm) int err; u32 i; + if (!input_xfrm || input_xfrm == RXH_XFRM_NO_CHANGE) + return 0; + for (i = 0; i < __FLOW_TYPE_COUNT; i++) { struct ethtool_rxfh_fields fields = { .flow_type = i, @@ -1523,7 +1526,7 @@ static noinline_for_stack int ethtool_set_rxfh(struct net_device *dev, u8 *rss_config; int ret; - if (!ops->get_rxnfc || !ops->get_rxfh_fields || !ops->set_rxfh) + if (!ops->get_rxnfc || !ops->set_rxfh) return -EOPNOTSUPP; if (ops->get_rxfh_indir_size) |