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 d62e0f9b9da3..cb9f7f058f75 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, | |||
142 | struct llc_sap *sap; | 142 | struct llc_sap *sap; |
143 | struct llc_pdu_sn *pdu; | 143 | struct llc_pdu_sn *pdu; |
144 | int dest; | 144 | int dest; |
145 | int (*rcv)(struct sk_buff *, struct net_device *, | ||
146 | struct packet_type *, struct net_device *); | ||
145 | 147 | ||
146 | /* | 148 | /* |
147 | * When the interface is in promisc. mode, drop all the crap that it | 149 | * 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, | |||
169 | * First the upper layer protocols that don't need the full | 171 | * First the upper layer protocols that don't need the full |
170 | * LLC functionality | 172 | * LLC functionality |
171 | */ | 173 | */ |
172 | if (sap->rcv_func) { | 174 | rcv = rcu_dereference(sap->rcv_func); |
173 | sap->rcv_func(skb, dev, pt, orig_dev); | 175 | if (rcv) { |
176 | rcv(skb, dev, pt, orig_dev); | ||
174 | goto out_put; | 177 | goto out_put; |
175 | } | 178 | } |
176 | dest = llc_pdu_type(skb); | 179 | dest = llc_pdu_type(skb); |