netdev: Allocate multiple queues for TX.

alloc_netdev_mq() now allocates an array of netdev_queue
structures for TX, based upon the queue_count argument.

Furthermore, all accesses to the TX queues are now vectored
through the netdev_get_tx_queue() and netdev_for_each_tx_queue()
interfaces.  This makes it easy to grep the tree for all
things that want to get to a TX queue of a net device.

Problem spots which are not really multiqueue aware yet, and
only work with one queue, can easily be spotted by grepping
for all netdev_get_tx_queue() calls that pass in a zero index.

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

1 files changed, 4 insertions, 2 deletions

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 7dbbc0891623..f3a691f34909 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -75,14 +75,16 @@ ax25_address rose_callsign;
  */
 static struct lock_class_key rose_netdev_xmit_lock_key;
 
-static void rose_set_lockdep_one(struct netdev_queue *txq)
+static void rose_set_lockdep_one(struct net_device *dev,
+                                 struct netdev_queue *txq,
+                                 void *_unused)
 {
         lockdep_set_class(&txq->_xmit_lock, &rose_netdev_xmit_lock_key);
 }
 
 static void rose_set_lockdep_key(struct net_device *dev)
 {
-        rose_set_lockdep_one(&dev->tx_queue);
+        netdev_for_each_tx_queue(dev, rose_set_lockdep_one, NULL);
 }
 
 /*