diff options
| author | Alexander Aring <aring@mojatatu.com> | 2018-01-18 11:20:54 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-19 15:52:51 -0500 |
| commit | 1057c55f6b6cdc4fa3e8e29cfb9061c211e58395 (patch) | |
| tree | ee77befe579d0036f510f799678f699563342e1f /include/net | |
| parent | 571acf2106963d6c1c0ce1ed13e711bd296b2d25 (diff) | |
net: sched: cls: add extack support for tcf_change_indev
This patch adds extack handling for the tcf_change_indev function which
is common used by TC classifier implementations.
Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/pkt_cls.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h index 6dd009e10e5d..2e4b8e436d25 100644 --- a/include/net/pkt_cls.h +++ b/include/net/pkt_cls.h @@ -557,13 +557,16 @@ static inline int tcf_valid_offset(const struct sk_buff *skb, #include <net/net_namespace.h> static inline int -tcf_change_indev(struct net *net, struct nlattr *indev_tlv) +tcf_change_indev(struct net *net, struct nlattr *indev_tlv, + struct netlink_ext_ack *extack) { char indev[IFNAMSIZ]; struct net_device *dev; - if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) >= IFNAMSIZ) + if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) >= IFNAMSIZ) { + NL_SET_ERR_MSG(extack, "Interface name too long"); return -EINVAL; + } dev = __dev_get_by_name(net, indev); if (!dev) return -ENODEV; |