Merge branches 'stable/drivers-3.2', 'stable/drivers.bugfixes-3.2' and 'stable/pci...

[firefly-linux-kernel-4.4.55.git] / net / packet / af_packet.c

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c698cec0a44541b330d71420bfa09468c512034f..fabb4fafa281ce9bf2dfc73a7d32776beb7fe215 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -961,7 +961,10 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
        return 0;
 
 drop_n_acct:
-       po->stats.tp_drops = atomic_inc_return(&sk->sk_drops);
+       spin_lock(&sk->sk_receive_queue.lock);
+       po->stats.tp_drops++;
+       atomic_inc(&sk->sk_drops);
+       spin_unlock(&sk->sk_receive_queue.lock);
 
 drop_n_restore:
        if (skb_head != skb->data && skb_shared(skb)) {