net: sch: api: add extack support in tcf_block_get
This patch adds extack support for the function tcf_block_get 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 tcf_block_get failed.
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>
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index 1a33d6c..a1a11de 100644
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -556,7 +556,7 @@ static int sfb_init(struct Qdisc *sch, struct nlattr *opt,
struct sfb_sched_data *q = qdisc_priv(sch);
int err;
- err = tcf_block_get(&q->block, &q->filter_list, sch);
+ err = tcf_block_get(&q->block, &q->filter_list, sch, extack);
if (err)
return err;