diff options
Diffstat (limited to 'include/net/pkt_cls.h')
| -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; |