bpf: in __bpf_redirect_no_mac pull mac only if present

[tomoyo/tomoyo-test1.git] / net / core / lwt_bpf.c

diff --git a/net/core/lwt_bpf.c b/net/core/lwt_bpf.c
index 3e85437..a648568 100644 (file)
--- a/net/core/lwt_bpf.c
+++ b/net/core/lwt_bpf.c
@@ -63,6 +63,7 @@ static int run_lwt_bpf(struct sk_buff *skb, struct bpf_lwt_prog *lwt,
                                     lwt->name ? : "<unknown>");
                        ret = BPF_OK;
                } else {
+                       skb_reset_mac_header(skb);
                        ret = skb_do_redirect(skb);
                        if (ret == 0)
                                ret = BPF_REDIRECT;