From e20e75017c5a3dbc4a3cc505d8ad57487b500bbb Mon Sep 17 00:00:00 2001 From: Pedro Tammela Date: Fri, 28 Jul 2023 12:35:37 -0300 Subject: [PATCH] net/sched: sch_qfq: warn about class in use while deleting Add extack to warn that delete was rejected because the class is still in use Acked-by: Jamal Hadi Salim Signed-off-by: Pedro Tammela Reviewed-by: Simon Horman Signed-off-by: Paolo Abeni --- net/sched/sch_qfq.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 7addc15..1a25752 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -543,8 +543,10 @@ static int qfq_delete_class(struct Qdisc *sch, unsigned long arg, struct qfq_sched *q = qdisc_priv(sch); struct qfq_class *cl = (struct qfq_class *)arg; - if (qdisc_class_in_use(&cl->common)) + if (qdisc_class_in_use(&cl->common)) { + NL_SET_ERR_MSG_MOD(extack, "QFQ class in use"); return -EBUSY; + } sch_tree_lock(sch); -- 2.7.4