1 files changed, 4 insertions, 1 deletions

diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index e6d538937f93..4029ceee9b91 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -49,9 +49,12 @@ struct sk_buff *llc_alloc_frame(struct sock *sk, struct net_device *dev)
 
 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;