netdev: The ingress_lock member is no longer needed.

Every qdisc is assosciated with a queue, and in the case of ingress
qdiscs that will now be netdev->rx_queue so using that queue's lock is
the thing to do.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 5 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 05011048b86..2322fb69fd5 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2014,10 +2014,11 @@ static inline struct sk_buff *handle_macvlan(struct sk_buff *skb,
  */
 static int ing_filter(struct sk_buff *skb)
 {
-        struct Qdisc *q;
         struct net_device *dev = skb->dev;
-        int result = TC_ACT_OK;
         u32 ttl = G_TC_RTTL(skb->tc_verd);
+        struct netdev_queue *rxq;
+        int result = TC_ACT_OK;
+        struct Qdisc *q;
 
         if (MAX_RED_LOOP < ttl++) {
                 printk(KERN_WARNING
@@ -2029,10 +2030,12 @@ static int ing_filter(struct sk_buff *skb)
         skb->tc_verd = SET_TC_RTTL(skb->tc_verd, ttl);
         skb->tc_verd = SET_TC_AT(skb->tc_verd, AT_INGRESS);
 
-        spin_lock(&dev->ingress_lock);
+        rxq = &dev->rx_queue;
+
+        spin_lock(&rxq->lock);
         if ((q = dev->qdisc_ingress) != NULL)
                 result = q->enqueue(skb, q);
-        spin_unlock(&dev->ingress_lock);
+        spin_unlock(&rxq->lock);
 
         return result;
 }
@@ -3795,7 +3798,6 @@ int register_netdevice(struct net_device *dev)
         spin_lock_init(&dev->_xmit_lock);
         netdev_set_lockdep_class(&dev->_xmit_lock, dev->type);
         dev->xmit_lock_owner = -1;
-        spin_lock_init(&dev->ingress_lock);
 
         dev->iflink = -1;