Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/net/netdevsim/ipsec.c b/drivers/net/netdevsim/ipsec.c
index 2dcf6cc..e27fc1a 100644
--- a/drivers/net/netdevsim/ipsec.c
+++ b/drivers/net/netdevsim/ipsec.c
@@ -227,18 +227,19 @@
 
 bool nsim_ipsec_tx(struct netdevsim *ns, struct sk_buff *skb)
 {
+	struct sec_path *sp = skb_sec_path(skb);
 	struct nsim_ipsec *ipsec = &ns->ipsec;
 	struct xfrm_state *xs;
 	struct nsim_sa *tsa;
 	u32 sa_idx;
 
 	/* do we even need to check this packet? */
-	if (!skb->sp)
+	if (!sp)
 		return true;
 
-	if (unlikely(!skb->sp->len)) {
+	if (unlikely(!sp->len)) {
 		netdev_err(ns->netdev, "no xfrm state len = %d\n",
-			   skb->sp->len);
+			   sp->len);
 		return false;
 	}
 
@@ -282,7 +283,8 @@
 	ns->netdev->features |= NSIM_ESP_FEATURES;
 	ns->netdev->hw_enc_features |= NSIM_ESP_FEATURES;
 
-	ns->ipsec.pfile = debugfs_create_file("ipsec", 0400, ns->ddir, ns,
+	ns->ipsec.pfile = debugfs_create_file("ipsec", 0400,
+					      ns->nsim_dev_port->ddir, ns,
 					      &ipsec_dbg_fops);
 }