diff options
Diffstat (limited to 'drivers/net/team/team_core.c')
| -rw-r--r-- | drivers/net/team/team_core.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/net/team/team_core.c b/drivers/net/team/team_core.c index 69ea2c3c76bf..f4019815f473 100644 --- a/drivers/net/team/team_core.c +++ b/drivers/net/team/team_core.c @@ -998,9 +998,13 @@ static void __team_compute_features(struct team *team) unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM; + rcu_read_lock(); + if (list_empty(&team->port_list)) + goto done; + vlan_features = netdev_base_features(vlan_features); + enc_features = netdev_base_features(enc_features); - rcu_read_lock(); list_for_each_entry_rcu(port, &team->port_list, list) { vlan_features = netdev_increment_features(vlan_features, port->dev->vlan_features, @@ -1010,11 +1014,11 @@ static void __team_compute_features(struct team *team) port->dev->hw_enc_features, TEAM_ENC_FEATURES); - dst_release_flag &= port->dev->priv_flags; if (port->dev->hard_header_len > max_hard_header_len) max_hard_header_len = port->dev->hard_header_len; } +done: rcu_read_unlock(); team->dev->vlan_features = vlan_features; @@ -1171,6 +1175,13 @@ static int team_port_add(struct team *team, struct net_device *port_dev, return -EBUSY; } + if (netdev_has_upper_dev(port_dev, dev)) { + NL_SET_ERR_MSG(extack, "Device is already a lower device of the team interface"); + netdev_err(dev, "Device %s is already a lower device of the team interface\n", + portname); + return -EBUSY; + } + if (port_dev->features & NETIF_F_VLAN_CHALLENGED && vlan_uses_dev(dev)) { NL_SET_ERR_MSG(extack, "Device is VLAN challenged and team device has VLAN set up"); @@ -2628,7 +2639,9 @@ int team_nl_options_set_doit(struct sk_buff *skb, struct genl_info *info) ctx.data.u32_val = nla_get_u32(attr_data); break; case TEAM_OPTION_TYPE_STRING: - if (nla_len(attr_data) > TEAM_STRING_MAX_LEN) { + if (nla_len(attr_data) > TEAM_STRING_MAX_LEN || + !memchr(nla_data(attr_data), '\0', + nla_len(attr_data))) { err = -EINVAL; goto team_put; } |