Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (42 commits)
  [IOAT]: Do not dereference THIS_MODULE directly to set unsafe.
  [NETROM]: Fix possible null pointer dereference.
  [NET] netpoll: break recursive loop in netpoll rx path
  [NET] netpoll: don't spin forever sending to stopped queues
  [IRDA]: add some IBM think pads
  [ATM]: atm/mpc.c warning fix
  [NET]: skb_find_text ignores to argument
  [NET]: make net/core/dev.c:netdev_nit static
  [NET]: Fix GSO problems in dev_hard_start_xmit()
  [NET]: Fix CHECKSUM_HW GSO problems.
  [TIPC]: Fix incorrect correction to discovery timer frequency computation.
  [TIPC]: Get rid of dynamically allocated arrays in broadcast code.
  [TIPC]: Fixed link switchover bugs
  [TIPC]: Enhanced & cleaned up system messages; fixed 2 obscure memory leaks.
  [TIPC]: First phase of assert() cleanup
  [TIPC]: Disallow config operations that aren't supported in certain modes.
  [TIPC]: Fixed memory leak in tipc_link_send() when destination is unreachable
  [TIPC]: Added missing warning for out-of-memory condition
  [TIPC]: Withdrawing all names from nameless port now returns success, not error
  [TIPC]: Optimized argument validation done by connect().
  ...

1 files changed, 4 insertions, 1 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index ea2469398bd5..f1c52cbd6ef7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -230,7 +230,7 @@ extern void netdev_unregister_sysfs(struct net_device *);
  *      For efficiency
  */
 
-int netdev_nit;
+static int netdev_nit;
 
 /*
  *      Add a protocol ID to the list. Now that the input handler is
@@ -1325,9 +1325,12 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 nskb->next = NULL;
                 rc = dev->hard_start_xmit(nskb, dev);
                 if (unlikely(rc)) {
+                        nskb->next = skb->next;
                         skb->next = nskb;
                         return rc;
                 }
+                if (unlikely(netif_queue_stopped(dev) && skb->next))
+                        return NETDEV_TX_BUSY;
         } while (skb->next);
         
         skb->destructor = DEV_GSO_CB(skb)->destructor;