b43: Increase number of RX DMA slots

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

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 0737bd4d16696e4a90475a124f17568f87eb2c14..97243011d3192e43ceb3b42d149ac6f8e4ddb6e6 100644 (file)
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -94,7 +94,8 @@ static int get_slot(struct macvlan_dev *vlan, struct macvtap_queue *q)
        int i;
 
        for (i = 0; i < MAX_MACVTAP_QUEUES; i++) {
-               if (rcu_dereference(vlan->taps[i]) == q)
+               if (rcu_dereference_protected(vlan->taps[i],
+                                             lockdep_is_held(&macvtap_lock)) == q)
                        return i;
        }
 
@@ -741,6 +742,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
        if (zerocopy) {
                skb_shinfo(skb)->destructor_arg = m->msg_control;
                skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
+               skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG;
        }
        if (vlan)
                macvlan_start_xmit(skb, vlan->dev);