From a48b5a61448899040dfbd2e0cd55b06a2bd2466c Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Fri, 23 Mar 2007 11:29:43 -0700 Subject: [PATCH] [NET_SCHED]: Unline tcf_destroy Uninline tcf_destroy and add a helper function to destroy an entire filter chain. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- include/net/sch_generic.h | 10 ++-------- net/sched/sch_api.c | 18 ++++++++++++++++++ net/sched/sch_atm.c | 17 ++--------------- net/sched/sch_cbq.c | 14 ++------------ net/sched/sch_dsmark.c | 8 +------- net/sched/sch_hfsc.c | 13 +------------ net/sched/sch_htb.c | 14 ++------------ net/sched/sch_ingress.c | 7 +------ net/sched/sch_prio.c | 7 +------ 9 files changed, 30 insertions(+), 78 deletions(-) diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index a3f4ddd1d6..1b8e35197e 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -177,14 +177,8 @@ extern void qdisc_tree_decrease_qlen(struct Qdisc *qdisc, unsigned int n); extern struct Qdisc *qdisc_alloc(struct net_device *dev, struct Qdisc_ops *ops); extern struct Qdisc *qdisc_create_dflt(struct net_device *dev, struct Qdisc_ops *ops, u32 parentid); - -static inline void -tcf_destroy(struct tcf_proto *tp) -{ - tp->ops->destroy(tp); - module_put(tp->ops->owner); - kfree(tp); -} +extern void tcf_destroy(struct tcf_proto *tp); +extern void tcf_destroy_chain(struct tcf_proto *fl); static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff_head *list) diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 5873250916..5b5bce0694 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1220,6 +1220,24 @@ reclassify: return -1; } +void tcf_destroy(struct tcf_proto *tp) +{ + tp->ops->destroy(tp); + module_put(tp->ops->owner); + kfree(tp); +} + +void tcf_destroy_chain(struct tcf_proto *fl) +{ + struct tcf_proto *tp; + + while ((tp = fl) != NULL) { + fl = tp->next; + tcf_destroy(tp); + } +} +EXPORT_SYMBOL(tcf_destroy_chain); + #ifdef CONFIG_PROC_FS static int psched_show(struct seq_file *seq, void *v) { diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index 0cc3c9b727..be7d299acd 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -158,19 +158,6 @@ static unsigned long atm_tc_bind_filter(struct Qdisc *sch, return atm_tc_get(sch,classid); } - -static void destroy_filters(struct atm_flow_data *flow) -{ - struct tcf_proto *filter; - - while ((filter = flow->filter_list)) { - DPRINTK("destroy_filters: destroying filter %p\n",filter); - flow->filter_list = filter->next; - tcf_destroy(filter); - } -} - - /* * atm_tc_put handles all destructions, including the ones that are explicitly * requested (atm_tc_destroy, etc.). The assumption here is that we never drop @@ -195,7 +182,7 @@ static void atm_tc_put(struct Qdisc *sch, unsigned long cl) *prev = flow->next; DPRINTK("atm_tc_put: qdisc %p\n",flow->q); qdisc_destroy(flow->q); - destroy_filters(flow); + tcf_destroy_chain(flow->filter_list); if (flow->sock) { DPRINTK("atm_tc_put: f_count %d\n", file_count(flow->sock->file)); @@ -611,7 +598,7 @@ static void atm_tc_destroy(struct Qdisc *sch) DPRINTK("atm_tc_destroy(sch %p,[qdisc %p])\n",sch,p); /* races ? */ while ((flow = p->flows)) { - destroy_filters(flow); + tcf_destroy_chain(flow->filter_list); if (flow->ref > 1) printk(KERN_ERR "atm_destroy: %p->ref = %d\n",flow, flow->ref); diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 414a97c962..a294542cb8 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1717,23 +1717,13 @@ static unsigned long cbq_get(struct Qdisc *sch, u32 classid) return 0; } -static void cbq_destroy_filters(struct cbq_class *cl) -{ - struct tcf_proto *tp; - - while ((tp = cl->filter_list) != NULL) { - cl->filter_list = tp->next; - tcf_destroy(tp); - } -} - static void cbq_destroy_class(struct Qdisc *sch, struct cbq_class *cl) { struct cbq_sched_data *q = qdisc_priv(sch); BUG_TRAP(!cl->filters); - cbq_destroy_filters(cl); + tcf_destroy_chain(cl->filter_list); qdisc_destroy(cl->q); qdisc_put_rtab(cl->R_tab); #ifdef CONFIG_NET_ESTIMATOR @@ -1760,7 +1750,7 @@ cbq_destroy(struct Qdisc* sch) */ for (h = 0; h < 16; h++) for (cl = q->classes[h]; cl; cl = cl->next) - cbq_destroy_filters(cl); + tcf_destroy_chain(cl->filter_list); for (h = 0; h < 16; h++) { struct cbq_class *next; diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c index 2c857af79a..e38e0d00d1 100644 --- a/net/sched/sch_dsmark.c +++ b/net/sched/sch_dsmark.c @@ -412,16 +412,10 @@ static void dsmark_reset(struct Qdisc *sch) static void dsmark_destroy(struct Qdisc *sch) { struct dsmark_qdisc_data *p = PRIV(sch); - struct tcf_proto *tp; DPRINTK("dsmark_destroy(sch %p,[qdisc %p])\n", sch, p); - while (p->filter_list) { - tp = p->filter_list; - p->filter_list = tp->next; - tcf_destroy(tp); - } - + tcf_destroy_chain(p->filter_list); qdisc_destroy(p->q); kfree(p->mask); } diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 7d51d0d6a7..9d124c4ee3 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -1121,23 +1121,12 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid, return 0; } -static void -hfsc_destroy_filters(struct tcf_proto **fl) -{ - struct tcf_proto *tp; - - while ((tp = *fl) != NULL) { - *fl = tp->next; - tcf_destroy(tp); - } -} - static void hfsc_destroy_class(struct Qdisc *sch, struct hfsc_class *cl) { struct hfsc_sched *q = qdisc_priv(sch); - hfsc_destroy_filters(&cl->filter_list); + tcf_destroy_chain(cl->filter_list); qdisc_destroy(cl->qdisc); #ifdef CONFIG_NET_ESTIMATOR gen_kill_estimator(&cl->bstats, &cl->rate_est); diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 3f528554b0..99bcec8dd0 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -1236,16 +1236,6 @@ static unsigned long htb_get(struct Qdisc *sch, u32 classid) return (unsigned long)cl; } -static void htb_destroy_filters(struct tcf_proto **fl) -{ - struct tcf_proto *tp; - - while ((tp = *fl) != NULL) { - *fl = tp->next; - tcf_destroy(tp); - } -} - static inline int htb_parent_last_child(struct htb_class *cl) { if (!cl->parent) @@ -1289,7 +1279,7 @@ static void htb_destroy_class(struct Qdisc *sch, struct htb_class *cl) qdisc_put_rtab(cl->rate); qdisc_put_rtab(cl->ceil); - htb_destroy_filters(&cl->filter_list); + tcf_destroy_chain(cl->filter_list); while (!list_empty(&cl->children)) htb_destroy_class(sch, list_entry(cl->children.next, @@ -1321,7 +1311,7 @@ static void htb_destroy(struct Qdisc *sch) and surprisingly it worked in 2.4. But it must precede it because filter need its target class alive to be able to call unbind_filter on it (without Oops). */ - htb_destroy_filters(&q->filter_list); + tcf_destroy_chain(q->filter_list); while (!list_empty(&q->root)) htb_destroy_class(sch, list_entry(q->root.next, diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c index f63d5c6eb3..1fb60aba1e 100644 --- a/net/sched/sch_ingress.c +++ b/net/sched/sch_ingress.c @@ -346,14 +346,9 @@ static void ingress_reset(struct Qdisc *sch) static void ingress_destroy(struct Qdisc *sch) { struct ingress_qdisc_data *p = PRIV(sch); - struct tcf_proto *tp; DPRINTK("ingress_destroy(sch %p,[qdisc %p])\n", sch, p); - while (p->filter_list) { - tp = p->filter_list; - p->filter_list = tp->next; - tcf_destroy(tp); - } + tcf_destroy_chain(p->filter_list); #if 0 /* for future use */ qdisc_destroy(p->q); diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index f13996348d..5cfe60bf6e 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -189,13 +189,8 @@ prio_destroy(struct Qdisc* sch) { int prio; struct prio_sched_data *q = qdisc_priv(sch); - struct tcf_proto *tp; - - while ((tp = q->filter_list) != NULL) { - q->filter_list = tp->next; - tcf_destroy(tp); - } + tcf_destroy_chain(q->filter_list); for (prio=0; priobands; prio++) qdisc_destroy(q->queues[prio]); } -- 2.39.5