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Diffstat (limited to 'net/sched/act_bpf.c')
-rw-r--r--net/sched/act_bpf.c3
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;