macvtap: Do not double-count received packets

[~andy/linux] / drivers / net / macvtap.c

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 0605da8e25f5d992258a17e014010a8fe60f8adc..9093004f9b63004922a0202180d7341343287553 100644 (file)
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -767,7 +767,6 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
                                const struct sk_buff *skb,
                                const struct iovec *iv, int len)
 {
-       struct macvlan_dev *vlan;
        int ret;
        int vnet_hdr_len = 0;
        int vlan_offset = 0;
@@ -821,15 +820,6 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
        copied += len;
 
 done:
-       rcu_read_lock();
-       vlan = rcu_dereference(q->vlan);
-       if (vlan) {
-               preempt_disable();
-               macvlan_count_rx(vlan, copied - vnet_hdr_len, ret == 0, 0);
-               preempt_enable();
-       }
-       rcu_read_unlock();
-
        return ret ? ret : copied;
 }