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726d061286
linux/net/sched
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Vlad Buslov 726d061286 net: sched: prevent insertion of new classifiers during chain flush 
Extend tcf_chain with 'flushing' flag. Use the flag to prevent insertion of
new classifier instances when chain flushing is in progress in order to
prevent resource leak when tcf_proto is created by unlocked users
concurrently.

Return EAGAIN error from tcf_chain_tp_insert_unique() to restart
tc_new_tfilter() and lookup the chain/proto again.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-12 13:41:33 -05:00
..
act_api.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_bpf.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_connmark.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_csum.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_gact.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_ife.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_ipt.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_meta_mark.c
act_meta_skbprio.c
act_meta_skbtcindex.c
act_mirred.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_nat.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_pedit.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_police.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_sample.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_simple.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_skbedit.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_skbmod.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_tunnel_key.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
act_vlan.c net: Change TCA_ACT_* to TCA_ID_* to match that of TCA_ID_POLICE 2019-02-10 09:28:43 -08:00
cls_api.c net: sched: prevent insertion of new classifiers during chain flush 2019-02-12 13:41:33 -05:00
cls_basic.c net_sched: add performance counters for basic filter 2019-01-19 16:05:42 -08:00
cls_bpf.c net_sched: fold tcf_block_cb_call() into tc_setup_cb_call() 2018-12-14 15:32:19 -08:00
cls_cgroup.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_flow.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_flower.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-02-08 15:00:17 -08:00
cls_fw.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_matchall.c net_sched: add hit counter for matchall 2019-01-18 14:13:50 -08:00
cls_route.c net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_rsvp6.c
cls_rsvp.c
cls_rsvp.h net_sched: switch to rcu_work 2018-05-24 22:56:15 -04:00
cls_tcindex.c net_sched: Fix missing res info when create new tc_index filter 2018-08-13 19:37:42 -07:00
cls_u32.c net_sched: fold tcf_block_cb_call() into tc_setup_cb_call() 2018-12-14 15:32:19 -08:00
em_canid.c
em_cmp.c
em_ipset.c
em_ipt.c
em_meta.c
em_nbyte.c
em_text.c
em_u32.c
ematch.c
Kconfig tc: Add support for configuring the taprio scheduler 2018-10-04 13:52:23 -07:00
Makefile tc: Add support for configuring the taprio scheduler 2018-10-04 13:52:23 -07:00
sch_api.c net: sched: traverse classifiers in chain with tcf_get_next_proto() 2019-02-12 13:41:33 -05:00
sch_atm.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_blackhole.c net_sched: blackhole: tell upper qdisc about dropped packets 2018-06-17 08:42:33 +09:00
sch_cake.c sch_cake: Correctly update parent qlen when splitting GSO packets 2019-01-15 20:12:01 -08:00
sch_cbq.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_cbs.c sched: Avoid dereferencing skb pointer after child enqueue 2019-01-15 20:12:00 -08:00
sch_choke.c
sch_codel.c
sch_drr.c sched: Fix detection of empty queues in child qdiscs 2019-01-15 20:12:00 -08:00
sch_dsmark.c sched: Avoid dereferencing skb pointer after child enqueue 2019-01-15 20:12:00 -08:00
sch_etf.c etf: Drop all expired packets 2018-11-16 20:39:34 -08:00
sch_fifo.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_fq_codel.c net: Add and use skb_mark_not_on_list(). 2018-09-10 10:06:54 -07:00
sch_fq.c net_sched: sch_fq: avoid calling ktime_get_ns() if not needed 2018-11-20 09:51:32 -08:00
sch_generic.c net: sched: protect filter_chain list with filter_chain_lock mutex 2019-02-12 13:41:32 -05:00
sch_gred.c net: sched: gred: support reporting stats from offloads 2018-11-19 18:53:46 -08:00
sch_hfsc.c sched: Fix detection of empty queues in child qdiscs 2019-01-15 20:12:00 -08:00
sch_hhf.c net: Add and use skb_mark_not_on_list(). 2018-09-10 10:06:54 -07:00
sch_htb.c sched: Avoid dereferencing skb pointer after child enqueue 2019-01-15 20:12:00 -08:00
sch_ingress.c
sch_mq.c net: sched: mq: offload a graft notification 2018-11-14 08:51:28 -08:00
sch_mqprio.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_multiq.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_netem.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-09 21:43:31 -08:00
sch_pie.c net: sched: pie: fix coding style issues 2018-10-07 20:39:01 -07:00
sch_plug.c
sch_prio.c sched: Avoid dereferencing skb pointer after child enqueue 2019-01-15 20:12:00 -08:00
sch_qfq.c sched: Fix detection of empty queues in child qdiscs 2019-01-15 20:12:00 -08:00
sch_red.c net: sched: red: notify drivers about RED's limit parameter 2018-11-14 08:51:28 -08:00
sch_sfb.c net: sched: rename qdisc_destroy() to qdisc_put() 2018-09-25 20:17:35 -07:00
sch_sfq.c
sch_skbprio.c net/sched: add skbprio scheduler 2018-07-24 14:44:00 -07:00
sch_taprio.c tc: Add support for configuring the taprio scheduler 2018-10-04 13:52:23 -07:00
sch_tbf.c sched: Avoid dereferencing skb pointer after child enqueue 2019-01-15 20:12:00 -08:00
sch_teql.c