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-rw-r--r--net/sched/sch_htb.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 203286ab4427..5d65ec5207e9 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1258,8 +1258,10 @@ static void htb_destroy(struct Qdisc *sch)
tcf_block_put(q->block);
for (i = 0; i < q->clhash.hashsize; i++) {
- hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode)
+ hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) {
tcf_block_put(cl->block);
+ cl->block = NULL;
+ }
}
for (i = 0; i < q->clhash.hashsize; i++) {
hlist_for_each_entry_safe(cl, next, &q->clhash.hash[i],