diff options
| -rw-r--r-- | net/sched/sch_htb.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index b820a0ae7355..5070643ce534 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -726,7 +726,7 @@ static struct htb_class *htb_lookup_leaf(struct rb_root *tree, int prio, u32 *pid; } stk[TC_HTB_MAXDEPTH], *sp = stk; - WARN_ON(!tree->rb_node); + BUG_ON(!tree->rb_node); sp->root = tree->rb_node; sp->pptr = pptr; sp->pid = pid; @@ -746,9 +746,10 @@ static struct htb_class *htb_lookup_leaf(struct rb_root *tree, int prio, *sp->pptr = (*sp->pptr)->rb_left; if (sp > stk) { sp--; - WARN_ON(!*sp->pptr); - if (!*sp->pptr) + if (!*sp->pptr) { + WARN_ON(1); return NULL; + } htb_next_rb_node(sp->pptr); } } else { @@ -779,8 +780,7 @@ static struct sk_buff *htb_dequeue_tree(struct htb_sched *q, int prio, do { next: - WARN_ON(!cl); - if (!cl) + if (unlikely(!cl)) return NULL; /* class can be empty - it is unlikely but can be true if leaf |