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-rw-r--r--net/sched/sch_cbq.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 481036f6b54e..780db43300b1 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1431,8 +1431,10 @@ static void cbq_destroy(struct Qdisc *sch)
* be bound to classes which have been destroyed already. --TGR '04
*/
for (h = 0; h < q->clhash.hashsize; h++) {
- hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode)
+ hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode) {
tcf_block_put(cl->block);
+ cl->block = NULL;
+ }
}
for (h = 0; h < q->clhash.hashsize; h++) {
hlist_for_each_entry_safe(cl, next, &q->clhash.hash[h],