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;