diff options
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/act_api.c | 4 | ||||
| -rw-r--r-- | net/sched/act_bpf.c | 12 | ||||
| -rw-r--r-- | net/sched/act_sample.c | 3 | ||||
| -rw-r--r-- | net/sched/act_skbmod.c | 3 | ||||
| -rw-r--r-- | net/sched/act_tunnel_key.c | 9 | ||||
| -rw-r--r-- | net/sched/act_vlan.c | 3 | ||||
| -rw-r--r-- | net/sched/cls_u32.c | 1 | ||||
| -rw-r--r-- | net/sched/sch_red.c | 26 |
8 files changed, 37 insertions, 24 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 4d33a50a8a6d..e3386f1f485c 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -135,8 +135,10 @@ static int tcf_dump_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb, continue; nest = nla_nest_start(skb, n_i); - if (!nest) + if (!nest) { + index--; goto nla_put_failure; + } err = tcf_action_dump_1(skb, p, 0, 0); if (err < 0) { index--; diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 5ef8ce8c83d4..502159bdded3 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -248,10 +248,14 @@ static int tcf_bpf_init_from_efd(struct nlattr **tb, struct tcf_bpf_cfg *cfg) static void tcf_bpf_cfg_cleanup(const struct tcf_bpf_cfg *cfg) { - if (cfg->is_ebpf) - bpf_prog_put(cfg->filter); - else - bpf_prog_destroy(cfg->filter); + struct bpf_prog *filter = cfg->filter; + + if (filter) { + if (cfg->is_ebpf) + bpf_prog_put(filter); + else + bpf_prog_destroy(filter); + } kfree(cfg->bpf_ops); kfree(cfg->bpf_name); diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c index 9438969290a6..2298d91c4c83 100644 --- a/net/sched/act_sample.c +++ b/net/sched/act_sample.c @@ -103,7 +103,8 @@ static void tcf_sample_cleanup(struct tc_action *a, int bind) psample_group = rtnl_dereference(s->psample_group); RCU_INIT_POINTER(s->psample_group, NULL); - psample_group_put(psample_group); + if (psample_group) + psample_group_put(psample_group); } static bool tcf_sample_dev_ok_push(struct net_device *dev) diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c index b642ad3d39dd..6d10b3af479b 100644 --- a/net/sched/act_skbmod.c +++ b/net/sched/act_skbmod.c @@ -190,7 +190,8 @@ static void tcf_skbmod_cleanup(struct tc_action *a, int bind) struct tcf_skbmod_params *p; p = rcu_dereference_protected(d->skbmod_p, 1); - kfree_rcu(p, rcu); + if (p) + kfree_rcu(p, rcu); } static int tcf_skbmod_dump(struct sk_buff *skb, struct tc_action *a, diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c index 22bf1a376b91..7cb63616805d 100644 --- a/net/sched/act_tunnel_key.c +++ b/net/sched/act_tunnel_key.c @@ -208,11 +208,12 @@ static void tunnel_key_release(struct tc_action *a, int bind) struct tcf_tunnel_key_params *params; params = rcu_dereference_protected(t->params, 1); + if (params) { + if (params->tcft_action == TCA_TUNNEL_KEY_ACT_SET) + dst_release(¶ms->tcft_enc_metadata->dst); - if (params->tcft_action == TCA_TUNNEL_KEY_ACT_SET) - dst_release(¶ms->tcft_enc_metadata->dst); - - kfree_rcu(params, rcu); + kfree_rcu(params, rcu); + } } static int tunnel_key_dump_addresses(struct sk_buff *skb, diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c index 97f717a13ad5..788a8daf9230 100644 --- a/net/sched/act_vlan.c +++ b/net/sched/act_vlan.c @@ -225,7 +225,8 @@ static void tcf_vlan_cleanup(struct tc_action *a, int bind) struct tcf_vlan_params *p; p = rcu_dereference_protected(v->vlan_p, 1); - kfree_rcu(p, rcu); + if (p) + kfree_rcu(p, rcu); } static int tcf_vlan_dump(struct sk_buff *skb, struct tc_action *a, diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 425cc341fd41..8d25f38cc1ad 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -478,6 +478,7 @@ static int u32_delete_key(struct tcf_proto *tp, struct tc_u_knode *key) RCU_INIT_POINTER(*kp, key->next); tcf_unbind_filter(tp, &key->res); + idr_remove(&ht->handle_idr, key->handle); tcf_exts_get_net(&key->exts); call_rcu(&key->rcu, u32_delete_key_freepf_rcu); return 0; diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index f0747eb87dc4..cca57e93a810 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -157,7 +157,6 @@ static int red_offload(struct Qdisc *sch, bool enable) .handle = sch->handle, .parent = sch->parent, }; - int err; if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) return -EOPNOTSUPP; @@ -172,14 +171,7 @@ static int red_offload(struct Qdisc *sch, bool enable) opt.command = TC_RED_DESTROY; } - err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, &opt); - - if (!err && enable) - sch->flags |= TCQ_F_OFFLOADED; - else - sch->flags &= ~TCQ_F_OFFLOADED; - - return err; + return dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, &opt); } static void red_destroy(struct Qdisc *sch) @@ -294,12 +286,22 @@ static int red_dump_offload_stats(struct Qdisc *sch, struct tc_red_qopt *opt) .stats.qstats = &sch->qstats, }, }; + int err; + + sch->flags &= ~TCQ_F_OFFLOADED; - if (!(sch->flags & TCQ_F_OFFLOADED)) + if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc) + return 0; + + err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, + &hw_stats); + if (err == -EOPNOTSUPP) return 0; - return dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, - &hw_stats); + if (!err) + sch->flags |= TCQ_F_OFFLOADED; + + return err; } static int red_dump(struct Qdisc *sch, struct sk_buff *skb) |