diff options
| -rw-r--r-- | net/llc/llc_input.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c index d62e0f9b9da..cb9f7f058f7 100644 --- a/net/llc/llc_input.c +++ b/net/llc/llc_input.c @@ -142,6 +142,8 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev, struct llc_sap *sap; struct llc_pdu_sn *pdu; int dest; + int (*rcv)(struct sk_buff *, struct net_device *, + struct packet_type *, struct net_device *); /* * When the interface is in promisc. mode, drop all the crap that it @@ -169,8 +171,9 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev, * First the upper layer protocols that don't need the full * LLC functionality */ - if (sap->rcv_func) { - sap->rcv_func(skb, dev, pt, orig_dev); + rcv = rcu_dereference(sap->rcv_func); + if (rcv) { + rcv(skb, dev, pt, orig_dev); goto out_put; } dest = llc_pdu_type(skb); |