diff options
| -rw-r--r-- | include/net/sch_generic.h | 5 | ||||
| -rw-r--r-- | net/sched/sch_ingress.c | 14 |
2 files changed, 13 insertions, 6 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index cafb266a0b80..c3d657359a3d 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -1457,6 +1457,11 @@ void mini_qdisc_pair_init(struct mini_Qdisc_pair *miniqp, struct Qdisc *qdisc, void mini_qdisc_pair_block_init(struct mini_Qdisc_pair *miniqp, struct tcf_block *block); +static inline bool mini_qdisc_pair_inited(struct mini_Qdisc_pair *miniqp) +{ + return !!miniqp->p_miniq; +} + void mq_change_real_num_tx(struct Qdisc *sch, unsigned int new_real_tx); int sch_frag_xmit_hook(struct sk_buff *skb, int (*xmit)(struct sk_buff *skb)); diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c index cc6051d4f2ef..c3e18bae8fbf 100644 --- a/net/sched/sch_ingress.c +++ b/net/sched/sch_ingress.c @@ -113,14 +113,15 @@ static void ingress_destroy(struct Qdisc *sch) { struct ingress_sched_data *q = qdisc_priv(sch); struct net_device *dev = qdisc_dev(sch); - struct bpf_mprog_entry *entry = rtnl_dereference(dev->tcx_ingress); + struct bpf_mprog_entry *entry; if (sch->parent != TC_H_INGRESS) return; tcf_block_put_ext(q->block, sch, &q->block_info); - if (entry) { + if (mini_qdisc_pair_inited(&q->miniqp)) { + entry = rtnl_dereference(dev->tcx_ingress); tcx_miniq_dec(entry); if (!tcx_entry_is_active(entry)) { tcx_entry_update(dev, NULL, true); @@ -290,10 +291,9 @@ static int clsact_init(struct Qdisc *sch, struct nlattr *opt, static void clsact_destroy(struct Qdisc *sch) { + struct bpf_mprog_entry *ingress_entry, *egress_entry; struct clsact_sched_data *q = qdisc_priv(sch); struct net_device *dev = qdisc_dev(sch); - struct bpf_mprog_entry *ingress_entry = rtnl_dereference(dev->tcx_ingress); - struct bpf_mprog_entry *egress_entry = rtnl_dereference(dev->tcx_egress); if (sch->parent != TC_H_CLSACT) return; @@ -301,7 +301,8 @@ static void clsact_destroy(struct Qdisc *sch) tcf_block_put_ext(q->ingress_block, sch, &q->ingress_block_info); tcf_block_put_ext(q->egress_block, sch, &q->egress_block_info); - if (ingress_entry) { + if (mini_qdisc_pair_inited(&q->miniqp_ingress)) { + ingress_entry = rtnl_dereference(dev->tcx_ingress); tcx_miniq_dec(ingress_entry); if (!tcx_entry_is_active(ingress_entry)) { tcx_entry_update(dev, NULL, true); @@ -309,7 +310,8 @@ static void clsact_destroy(struct Qdisc *sch) } } - if (egress_entry) { + if (mini_qdisc_pair_inited(&q->miniqp_egress)) { + egress_entry = rtnl_dereference(dev->tcx_egress); tcx_miniq_dec(egress_entry); if (!tcx_entry_is_active(egress_entry)) { tcx_entry_update(dev, NULL, false); |