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Diffstat (limited to 'net/sched/sch_htb.c')
-rw-r--r--net/sched/sch_htb.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 8184c87da8be..4cdf2dd04701 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -405,7 +405,10 @@ 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)
@@ -579,7 +582,7 @@ static inline void htb_deactivate(struct htb_sched *q, struct htb_class *cl)
static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
- int uninitialized_var(ret);
+ int ret;
unsigned int len = qdisc_pkt_len(skb);
struct htb_sched *q = qdisc_priv(sch);
struct htb_class *cl = htb_classify(skb, sch, &ret);