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net: Detect and ignore netif_stop_queue() calls before register_netdev() 

After e6484930d7c73d324bccda7d43d131088da697b9: net: allocate tx queues in register_netdevice
These calls make net drivers oops at load time, so let's avoid people
git-bisect'ing known problems.

Signed-off-by: Guillaume Chazarain <guichaz@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guillaume Chazarain 2010-11-06 06:39:32 +00:00 committed by David S. Miller
parent 63f4e1903a
commit 18543a643f
1 changed files with 5 additions and 0 deletions
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5
include/linux/netdevice.h
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@ -1554,6 +1554,11 @@ static inline void netif_tx_wake_all_queues(struct net_device *dev)
static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue)
{
if (WARN_ON(!dev_queue)) {
printk(KERN_INFO "netif_stop_queue() cannot be called before "
"register_netdev()");
return;
}
set_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
}