Commit a4aebb83 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

net-sched: fix filter destruction in atm/hfsc qdisc destruction 



Filters need to be destroyed before beginning to destroy classes
since the destination class needs to still be alive to unbind the
filter.

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ff31ab56

net/sched/sch_atm.c

+3 −1
Original line number Diff line number Diff line
@@ -586,9 +586,11 @@ static void atm_tc_destroy(struct Qdisc *sch) 
	struct atm_flow_data *flow;



	pr_debug("atm_tc_destroy(sch %p,[qdisc %p])\n", sch, p);

	for (flow = p->flows; flow; flow = flow->next)

		tcf_destroy_chain(&flow->filter_list);



	/* races ? */

	while ((flow = p->flows)) {

		tcf_destroy_chain(&flow->filter_list);

		if (flow->ref > 1)

			printk(KERN_ERR "atm_destroy: %p->ref = %d\n", flow,

			       flow->ref);

net/sched/sch_hfsc.c

+4 −0
Original line number Diff line number Diff line
@@ -1540,6 +1540,10 @@ hfsc_destroy_qdisc(struct Qdisc *sch) 
	struct hfsc_class *cl, *next;

	unsigned int i;



	for (i = 0; i < HFSC_HSIZE; i++) {

		list_for_each_entry(cl, &q->clhash[i], hlist)

			tcf_destroy_chain(&cl->filter_list);

	}

	for (i = 0; i < HFSC_HSIZE; i++) {

		list_for_each_entry_safe(cl, next, &q->clhash[i], hlist)

			hfsc_destroy_class(sch, cl);

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