xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: sch: api: add extack support in qdisc_create_dflt

Browse Source 
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>
This commit is contained in:
Alexander Aring
2017-12-20 12:35:21 -05:00
committed by David S. Miller
parent d0bd684ddd
commit a38a98821c
18 changed files with 56 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
net/sched/sch_atm.c
View File

@@ -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);