diff options
Diffstat (limited to 'net/sched/act_ife.c')
| -rw-r--r-- | net/sched/act_ife.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c index e0bc228c1218..21c10f5d1247 100644 --- a/net/sched/act_ife.c +++ b/net/sched/act_ife.c @@ -464,6 +464,13 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, parm = nla_data(tb[TCA_IFE_PARMS]); + /* IFE_DECODE is 0 and indicates the opposite of IFE_ENCODE because + * they cannot run as the same time. Check on all other values which + * are not supported right now. + */ + if (parm->flags & ~IFE_ENCODE) + return -EINVAL; + exists = tcf_idr_check(tn, parm->index, a, bind); if (exists && bind) return 0; @@ -786,17 +793,7 @@ static int tcf_ife_act(struct sk_buff *skb, const struct tc_action *a, if (ife->flags & IFE_ENCODE) return tcf_ife_encode(skb, a, res); - if (!(ife->flags & IFE_ENCODE)) - return tcf_ife_decode(skb, a, res); - - pr_info_ratelimited("unknown failure(policy neither de/encode\n"); - spin_lock(&ife->tcf_lock); - bstats_update(&ife->tcf_bstats, skb); - tcf_lastuse_update(&ife->tcf_tm); - ife->tcf_qstats.drops++; - spin_unlock(&ife->tcf_lock); - - return TC_ACT_SHOT; + return tcf_ife_decode(skb, a, res); } static int tcf_ife_walker(struct net *net, struct sk_buff *skb, |