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Daniel Borkmann 113214be7f bpf: refactor bpf_prog_get and type check into helper 
Since bpf_prog_get() and program type check is used in a couple of places,
refactor this into a small helper function that we can make use of. Since
the non RO prog->aux part is not used in performance critical paths and a
program destruction via RCU is rather very unlikley when doing the put, we
shouldn't have an issue just doing the bpf_prog_get() + prog->type != type
check, but actually not taking the ref at all (due to being in fdget() /
fdput() section of the bpf fd) is even cleaner and makes the diff smaller
as well, so just go for that. Callsites are changed to make use of the new
helper where possible.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2016-07-01 16:00:47 -04:00
..
Kconfig Support to encoding decoding skb prio on IFE action 2016-03-01 17:15:23 -05:00
Makefile Support to encoding decoding skb prio on IFE action 2016-03-01 17:15:23 -05:00
act_api.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
act_bpf.c bpf: refactor bpf_prog_get and type check into helper 2016-07-01 16:00:47 -04:00
act_connmark.c net sched actions: aggregate dumping of actions timeinfo 2016-06-07 15:53:43 -07:00
act_csum.c net sched actions: aggregate dumping of actions timeinfo 2016-06-07 15:53:43 -07:00
act_gact.c net sched: indentation and other OCD stylistic fixes 2016-06-07 15:53:54 -07:00
act_ife.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
act_ipt.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
act_meta_mark.c Support to encoding decoding skb mark on IFE action 2016-03-01 17:15:23 -05:00
act_meta_skbprio.c Support to encoding decoding skb prio on IFE action 2016-03-01 17:15:23 -05:00
act_mirred.c net_sched: make tcf_hash_check() boolean 2016-06-15 12:43:35 -07:00
act_nat.c net sched actions: aggregate dumping of actions timeinfo 2016-06-07 15:53:43 -07:00
act_pedit.c net sched actions: aggregate dumping of actions timeinfo 2016-06-07 15:53:43 -07:00
act_police.c act_police: rename tcf_act_police_locate() to tcf_act_police_init() 2016-06-15 00:05:57 -07:00
act_simple.c net_sched: make tcf_hash_check() boolean 2016-06-15 12:43:35 -07:00
act_skbedit.c net_sched: make tcf_hash_check() boolean 2016-06-15 12:43:35 -07:00
act_vlan.c net_sched: make tcf_hash_check() boolean 2016-06-15 12:43:35 -07:00
cls_api.c net, cls: also reject deleting all filters when TCA_KIND present 2016-06-16 22:50:16 -07:00
cls_basic.c net_sched: destroy proto tp when all filters are gone 2015-03-09 15:35:55 -04:00
cls_bpf.c bpf: refactor bpf_prog_get and type check into helper 2016-07-01 16:00:47 -04:00
cls_cgroup.c cls_cgroup: factor out classid retrieval 2015-07-20 12:41:30 -07:00
cls_flow.c sched: cls_flow: use skb_to_full_sk() helper 2015-11-08 20:56:39 -05:00
cls_flower.c net/sched: flower: Return error when hw can't offload and skip_sw is set 2016-06-14 22:37:26 -07:00
cls_fw.c net: revert "net_sched: move tp->root allocation into fw_init()" 2015-09-24 14:33:30 -07:00
cls_route.c net_sched: destroy proto tp when all filters are gone 2015-03-09 15:35:55 -04:00
cls_rsvp.c
…
cls_rsvp.h net_sched: convert rsvp to call tcf_exts_destroy from rcu callback 2015-08-26 11:01:45 -07:00
cls_rsvp6.c
…
cls_tcindex.c net_sched: convert tcindex to call tcf_exts_destroy from rcu callback 2015-08-26 11:01:44 -07:00
cls_u32.c net: cls_u32: be more strict about skip-sw flag for knodes 2016-06-08 21:43:14 -07:00
em_canid.c net: sched: remove tcf_proto from ematch calls 2014-10-06 18:02:32 -04:00
em_cmp.c
…
em_ipset.c netfilter: x_tables: Pass struct net in xt_action_param 2015-09-18 21:58:14 +02:00
em_meta.c qdisc: constify meta_type_ops structures 2016-04-14 00:35:30 -04:00
em_nbyte.c net: sched: remove tcf_proto from ematch calls 2014-10-06 18:02:32 -04:00
em_text.c net: Remove state argument from skb_find_text() 2015-02-22 15:59:54 -05:00
em_u32.c
…
ematch.c ematch: Fix auto-loading of ematch modules. 2015-02-20 15:30:56 -05:00
sch_api.c sched: remove NET_XMIT_POLICED 2016-06-12 22:02:11 -04:00
sch_atm.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_blackhole.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_cbq.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_choke.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_codel.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_drr.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_dsmark.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_fifo.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
sch_fq.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_fq_codel.c net_sched: fq_codel: cache skb->truesize into skb->cb 2016-06-25 12:19:35 -04:00
sch_generic.c net_sched: generalize bulk dequeue 2016-06-25 12:19:35 -04:00
sch_gred.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_hfsc.c net/sched/sch_hfsc.c: anchor virtual curve at proper vt in hfsc_change_fsc() 2016-07-01 05:03:43 -04:00
sch_hhf.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_htb.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
sch_ingress.c net: sched: fix tc_should_offload for specific clsact classes 2016-06-07 16:59:53 -07:00
sch_mq.c net: sched: do not acquire qdisc spinlock in qdisc/class stats dump 2016-06-07 16:37:14 -07:00
sch_mqprio.c net: sched: do not acquire qdisc spinlock in qdisc/class stats dump 2016-06-07 16:37:14 -07:00
sch_multiq.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_netem.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
sch_pie.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_plug.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_prio.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
sch_qfq.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_red.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_sfb.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_sfq.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_tbf.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00
sch_teql.c net_sched: drop packets after root qdisc lock is released 2016-06-25 12:19:35 -04:00