diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index b24cd86..f10a703 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -275,9 +275,8 @@ bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x)
 		return false;
 
 	if ((!dev || (dev == xfrm_dst_path(dst)->dev)) &&
-	    (!xdst->child->xfrm && x->type->get_mtu)) {
-		mtu = x->type->get_mtu(x, xdst->child_mtu_cached);
-
+	    (!xdst->child->xfrm)) {
+		mtu = xfrm_state_mtu(x, xdst->child_mtu_cached);
 		if (skb->len <= mtu)
 			goto ok;