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-rw-r--r--net/sched/sch_hhf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c
index 51d3ba682af9..73a53c08091b 100644
--- a/net/sched/sch_hhf.c
+++ b/net/sched/sch_hhf.c
@@ -477,6 +477,9 @@ static void hhf_destroy(struct Qdisc *sch)
kvfree(q->hhf_valid_bits[i]);
}
+ if (!q->hh_flows)
+ return;
+
for (i = 0; i < HH_FLOWS_CNT; i++) {
struct hh_flow_state *flow, *next;
struct list_head *head = &q->hh_flows[i];