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-rw-r--r--net/sched/sch_ets.c11
-rwxr-xr-xtools/testing/selftests/net/forwarding/sch_ets.sh1
-rw-r--r--tools/testing/selftests/net/forwarding/sch_ets_tests.sh8
3 files changed, 15 insertions, 5 deletions
diff --git a/net/sched/sch_ets.c b/net/sched/sch_ets.c
index 037f764822b9..82635dd2cfa5 100644
--- a/net/sched/sch_ets.c
+++ b/net/sched/sch_ets.c
@@ -651,6 +651,12 @@ static int ets_qdisc_change(struct Qdisc *sch, struct nlattr *opt,
sch_tree_lock(sch);
+ for (i = nbands; i < oldbands; i++) {
+ if (i >= q->nstrict && q->classes[i].qdisc->q.qlen)
+ list_del_init(&q->classes[i].alist);
+ qdisc_purge_queue(q->classes[i].qdisc);
+ }
+
WRITE_ONCE(q->nbands, nbands);
for (i = nstrict; i < q->nstrict; i++) {
if (q->classes[i].qdisc->q.qlen) {
@@ -658,11 +664,6 @@ static int ets_qdisc_change(struct Qdisc *sch, struct nlattr *opt,
q->classes[i].deficit = quanta[i];
}
}
- for (i = q->nbands; i < oldbands; i++) {
- if (i >= q->nstrict && q->classes[i].qdisc->q.qlen)
- list_del_init(&q->classes[i].alist);
- qdisc_purge_queue(q->classes[i].qdisc);
- }
WRITE_ONCE(q->nstrict, nstrict);
memcpy(q->prio2band, priomap, sizeof(priomap));
diff --git a/tools/testing/selftests/net/forwarding/sch_ets.sh b/tools/testing/selftests/net/forwarding/sch_ets.sh
index 1f6f53e284b5..6269d5e23487 100755
--- a/tools/testing/selftests/net/forwarding/sch_ets.sh
+++ b/tools/testing/selftests/net/forwarding/sch_ets.sh
@@ -11,6 +11,7 @@ ALL_TESTS="
ets_test_strict
ets_test_mixed
ets_test_dwrr
+ ets_test_plug
classifier_mode
ets_test_strict
ets_test_mixed
diff --git a/tools/testing/selftests/net/forwarding/sch_ets_tests.sh b/tools/testing/selftests/net/forwarding/sch_ets_tests.sh
index 08240d3e3c87..79d837a2868a 100644
--- a/tools/testing/selftests/net/forwarding/sch_ets_tests.sh
+++ b/tools/testing/selftests/net/forwarding/sch_ets_tests.sh
@@ -224,3 +224,11 @@ ets_test_dwrr()
ets_set_dwrr_two_bands
xfail_on_slow ets_dwrr_test_01
}
+
+ets_test_plug()
+{
+ ets_change_qdisc $put 2 "3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3" "1514 1514"
+ tc qdisc add dev $put handle 20: parent 10:4 plug
+ start_traffic_pktsize 100 $h1.10 192.0.2.1 192.0.2.2 00:c1:a0:c1:a0:00 "-c 1"
+ ets_qdisc_setup $put 2
+}