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-rw-r--r--include/linux/netdevice.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 072652d94d9..d8fd2c23a1b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1554,6 +1554,11 @@ static inline void netif_tx_wake_all_queues(struct net_device *dev)
1554 1554
1555static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue) 1555static inline void netif_tx_stop_queue(struct netdev_queue *dev_queue)
1556{ 1556{
1557 if (WARN_ON(!dev_queue)) {
1558 printk(KERN_INFO "netif_stop_queue() cannot be called before "
1559 "register_netdev()");
1560 return;
1561 }
1557 set_bit(__QUEUE_STATE_XOFF, &dev_queue->state); 1562 set_bit(__QUEUE_STATE_XOFF, &dev_queue->state);
1558} 1563}
1559 1564