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authorAlexander Aring <aring@mojatatu.com>2017-12-20 20:35:21 +0300
committerDavid S. Miller <davem@davemloft.net>2017-12-21 20:32:51 +0300
commita38a98821c939e67e5906bddbed1d15af5ca860d (patch)
tree9f6274490d3b996c5bbdd6cf6505f76f79b0920d /net/sched/sch_atm.c
parentd0bd684dddab51ed017ece0359f26b038ec31940 (diff)
downloadlinux-a38a98821c939e67e5906bddbed1d15af5ca860d.tar.xz
net: sch: api: add extack support in qdisc_create_dflt
This patch adds extack support for the function qdisc_create_dflt which is a common used function in the tc subsystem. Callers which are interested in the receiving error can assign extack to get a more detailed information why qdisc_create_dflt failed. The function qdisc_create_dflt will also call an init callback which can fail by any per-qdisc specific handling. Cc: David Ahern <dsahern@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Alexander Aring <aring@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_atm.c')
-rw-r--r--net/sched/sch_atm.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 493d5c25d83a..cd49afca9617 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -290,7 +290,8 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
goto err_out;
}
- flow->q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops, classid);
+ flow->q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops, classid,
+ extack);
if (!flow->q)
flow->q = &noop_qdisc;
pr_debug("atm_tc_change: qdisc %p\n", flow->q);
@@ -546,7 +547,7 @@ static int atm_tc_init(struct Qdisc *sch, struct nlattr *opt,
INIT_LIST_HEAD(&p->link.list);
list_add(&p->link.list, &p->flows);
p->link.q = qdisc_create_dflt(sch->dev_queue,
- &pfifo_qdisc_ops, sch->handle);
+ &pfifo_qdisc_ops, sch->handle, extack);
if (!p->link.q)
p->link.q = &noop_qdisc;
pr_debug("atm_tc_init: link (%p) qdisc %p\n", &p->link, p->link.q);