3.8.13.16 -stable review patch. If anyone has any objections, please let me know.
------------------ From: Vlad Yasevich <[email protected]> [ Upstream commit 006da7b07bc4d3a7ffabad17cf639eec6849c9dc ] Currently macvlan will count received packets after calling each vlans receive handler. Macvtap attempts to count the packet yet again when the user reads the packet from the tap socket. This code doesn't do this consistently either. Remove the counting from macvtap and let only macvlan count received packets. Signed-off-by: Vlad Yasevich <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Acked-by: Jason Wang <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Kamal Mostafa <[email protected]> --- drivers/net/macvtap.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 15820ab..a4df37f 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -805,7 +805,6 @@ 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; @@ -859,12 +858,6 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q, copied += len; done: - rcu_read_lock_bh(); - vlan = rcu_dereference_bh(q->vlan); - if (vlan) - macvlan_count_rx(vlan, copied - vnet_hdr_len, ret == 0, 0); - rcu_read_unlock_bh(); - return ret ? ret : copied; } -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
