diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index e6d5389..4029cee 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -49,9 +49,12 @@
 
 void llc_save_primitive(struct sock *sk, struct sk_buff* skb, u8 prim)
 {
-	struct sockaddr_llc *addr = llc_ui_skb_cb(skb);
+	struct sockaddr_llc *addr;
 
+	if (skb->sk->sk_type == SOCK_STREAM) /* See UNIX98 */
+		return;
        /* save primitive for use by the user. */
+	addr		  = llc_ui_skb_cb(skb);
 	addr->sllc_family = sk->sk_family;
 	addr->sllc_arphrd = skb->dev->type;
 	addr->sllc_test   = prim == LLC_TEST_PRIM;