diff options
| -rw-r--r-- | net/sched/sch_htb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index f46643850df8..cc28e41fb745 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -431,7 +431,10 @@ static void htb_activate_prios(struct htb_sched *q, struct htb_class *cl) while (cl->cmode == HTB_MAY_BORROW && p && mask) { m = mask; while (m) { - int prio = ffz(~m); + unsigned int prio = ffz(~m); + + if (WARN_ON_ONCE(prio > ARRAY_SIZE(p->inner.clprio))) + break; m &= ~(1 << prio); if (p->inner.clprio[prio].feed.rb_node) |