xfrm: fix bug with DSCP copy to v6 from v4 tunnel

[platform/kernel/linux-starfive.git] / net / xfrm / xfrm_input.c

diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 97074f6..2defd89 100644 (file)
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -279,8 +279,7 @@ static int xfrm6_remove_tunnel_encap(struct xfrm_state *x, struct sk_buff *skb)
                goto out;
 
        if (x->props.flags & XFRM_STATE_DECAP_DSCP)
-               ipv6_copy_dscp(ipv6_get_dsfield(ipv6_hdr(skb)),
-                              ipipv6_hdr(skb));
+               ipv6_copy_dscp(XFRM_MODE_SKB_CB(skb)->tos, ipipv6_hdr(skb));
        if (!(x->props.flags & XFRM_STATE_NOECN))
                ipip6_ecn_decapsulate(skb);