From daf8d9181b9b4b58d3b182d1fea10dec75c5de88 Mon Sep 17 00:00:00 2001 From: Pedro Tammela Date: Fri, 28 Jul 2023 12:35:34 -0300 Subject: net/sched: sch_drr: 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_drr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'net') diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index 1b22b3b741c9..19901e77cd3b 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -149,8 +149,10 @@ static int drr_delete_class(struct Qdisc *sch, unsigned long arg, struct drr_sched *q = qdisc_priv(sch); struct drr_class *cl = (struct drr_class *)arg; - if (qdisc_class_in_use(&cl->common)) + if (qdisc_class_in_use(&cl->common)) { + NL_SET_ERR_MSG(extack, "DRR class is in use"); return -EBUSY; + } sch_tree_lock(sch); -- cgit v1.2.3