diff options
Diffstat (limited to 'net/sched/act_bpf.c')
| -rw-r--r-- | net/sched/act_bpf.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 4d2cede17468..dc6a2d324bd8 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -38,6 +38,9 @@ static int tcf_bpf(struct sk_buff *skb, const struct tc_action *act, struct tcf_bpf *prog = act->priv; int action, filter_res; + if (unlikely(!skb_mac_header_was_set(skb))) + return TC_ACT_UNSPEC; + spin_lock(&prog->tcf_lock); prog->tcf_tm.lastuse = jiffies; |