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authorAlexander Aring <aring@mojatatu.com>2017-12-20 20:35:18 +0300
committerDavid S. Miller <davem@davemloft.net>2017-12-21 20:32:50 +0300
commite9bc3fa28bae7612f41e3538f241a2f87f629c94 (patch)
tree5909d2930a9fe800a3da1af973eb465ee7fd28e4 /net/sched/sch_cbq.c
parent653d6fd68d8e5b43d496ca8a1d38331d515a226b (diff)
downloadlinux-e9bc3fa28bae7612f41e3538f241a2f87f629c94.tar.xz
net: sch: api: add extack support in qdisc_get_rtab
This patch adds extack support for the function qdisc_get_rtab 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_get_rtab 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>
Diffstat (limited to 'net/sched/sch_cbq.c')
-rw-r--r--net/sched/sch_cbq.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index bb7e4ccd7caf..79f081eb6bb0 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1156,7 +1156,7 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt,
r = nla_data(tb[TCA_CBQ_RATE]);
- q->link.R_tab = qdisc_get_rtab(r, tb[TCA_CBQ_RTAB]);
+ q->link.R_tab = qdisc_get_rtab(r, tb[TCA_CBQ_RTAB], extack);
if (!q->link.R_tab)
return -EINVAL;
@@ -1484,7 +1484,7 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t
if (tb[TCA_CBQ_RATE]) {
rtab = qdisc_get_rtab(nla_data(tb[TCA_CBQ_RATE]),
- tb[TCA_CBQ_RTAB]);
+ tb[TCA_CBQ_RTAB], extack);
if (rtab == NULL)
return -EINVAL;
}
@@ -1537,7 +1537,8 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t
if (!tb[TCA_CBQ_WRROPT] || !tb[TCA_CBQ_RATE] || !tb[TCA_CBQ_LSSOPT])
return -EINVAL;
- rtab = qdisc_get_rtab(nla_data(tb[TCA_CBQ_RATE]), tb[TCA_CBQ_RTAB]);
+ rtab = qdisc_get_rtab(nla_data(tb[TCA_CBQ_RATE]), tb[TCA_CBQ_RTAB],
+ extack);
if (rtab == NULL)
return -EINVAL;