diff options
| -rw-r--r-- | net/sched/cls_cgroup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c index 4c1567854f95..706a160142ea 100644 --- a/net/sched/cls_cgroup.c +++ b/net/sched/cls_cgroup.c | |||
| @@ -32,6 +32,8 @@ static int cls_cgroup_classify(struct sk_buff *skb, const struct tcf_proto *tp, | |||
| 32 | struct cls_cgroup_head *head = rcu_dereference_bh(tp->root); | 32 | struct cls_cgroup_head *head = rcu_dereference_bh(tp->root); |
| 33 | u32 classid = task_get_classid(skb); | 33 | u32 classid = task_get_classid(skb); |
| 34 | 34 | ||
| 35 | if (unlikely(!head)) | ||
| 36 | return -1; | ||
| 35 | if (!classid) | 37 | if (!classid) |
| 36 | return -1; | 38 | return -1; |
| 37 | if (!tcf_em_tree_match(skb, &head->ematches, NULL)) | 39 | if (!tcf_em_tree_match(skb, &head->ematches, NULL)) |