After hlist_del() next and pprev pointers are not NULL
so hlist_unhashed() doesn't work properly.
Signed-off-by: Jarek Poplawski <[EMAIL PROTECTED]>
---
diff -Nurp linux-2.6.19-rc4-git10-/net/sched/sch_htb.c
linux-2.6.19-rc4-git10/net/sched/sch_htb.c
--- linux-2.6.19-rc4-git10-/net/sched/sch_htb.c 2006-11-06 11:42:41.000000000
+0100
+++ linux-2.6.19-rc4-git10/net/sched/sch_htb.c 2006-11-06 11:53:15.000000000
+0100
@@ -1284,8 +1284,10 @@ static void htb_destroy_class(struct Qdi
struct htb_class, sibling));
/* note: this delete may happen twice (see htb_delete) */
- if (!hlist_unhashed(&cl->hlist))
+ if (!hlist_unhashed(&cl->hlist)) {
hlist_del(&cl->hlist);
+ INIT_HLIST_NODE(&cl->hlist);
+ }
list_del(&cl->sibling);
if (cl->prio_activity)
@@ -1333,8 +1335,10 @@ static int htb_delete(struct Qdisc *sch,
sch_tree_lock(sch);
/* delete from hash and active; remainder in destroy_class */
- if (!hlist_unhashed(&cl->hlist))
+ if (!hlist_unhashed(&cl->hlist)) {
hlist_del(&cl->hlist);
+ INIT_HLIST_NODE(&cl->hlist);
+ }
if (cl->prio_activity)
htb_deactivate(q, cl);
-
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