diff options
Diffstat (limited to 'net/sched/cls_matchall.c')
| -rw-r--r-- | net/sched/cls_matchall.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c index a13bc351a414..3d021f2aad1c 100644 --- a/net/sched/cls_matchall.c +++ b/net/sched/cls_matchall.c @@ -32,6 +32,9 @@ static int mall_classify(struct sk_buff *skb, const struct tcf_proto *tp, { struct cls_mall_head *head = rcu_dereference_bh(tp->root); + if (unlikely(!head)) + return -1; + if (tc_skip_sw(head->flags)) return -1; |