diff options
| author |   Alexander Aring <aring@mojatatu.com> | 2017-12-20 12:35:21 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-12-21 12:32:51 -0500 |
| commit | a38a98821c939e67e5906bddbed1d15af5ca860d (patch) | |
| tree | 9f6274490d3b996c5bbdd6cf6505f76f79b0920d /net/sched/sch_htb.c | |
| parent | net: sch: api: add extack support in qdisc_alloc (diff) | |
| download | linux-dev-a38a98821c939e67e5906bddbed1d15af5ca860d.tar.xz linux-dev-a38a98821c939e67e5906bddbed1d15af5ca860d.zip | |
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_htb.c')
| -rw-r--r-- | net/sched/sch_htb.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 54e1f860f1e5..1ea9846cc6ce 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -1180,7 +1180,7 @@ static int htb_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new, return -EINVAL; if (new == NULL && (new = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops, - cl->common.classid)) == NULL) + cl->common.classid, extack)) == NULL) return -ENOBUFS; *old = qdisc_replace(sch, new, &cl->un.leaf.q); @@ -1290,7 +1290,8 @@ static int htb_delete(struct Qdisc *sch, unsigned long arg) if (!cl->level && htb_parent_last_child(cl)) { new_q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops, - cl->parent->common.classid); + cl->parent->common.classid, + NULL); last_child = 1; } @@ -1426,8 +1427,8 @@ static int htb_change_class(struct Qdisc *sch, u32 classid, * so that can't be used inside of sch_tree_lock * -- thanks to Karlis Peisenieks */ - new_q = qdisc_create_dflt(sch->dev_queue, - &pfifo_qdisc_ops, classid); + new_q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops, + classid, NULL); sch_tree_lock(sch); if (parent && !parent->level) { unsigned int qlen = parent->un.leaf.q->q.qlen; |