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authorTakashi Iwai <tiwai@suse.de>2010-11-29 07:44:01 +0100
committerTakashi Iwai <tiwai@suse.de>2010-11-29 07:44:01 +0100
commitca19e77e44985b5500f5461f7d2f4ce799cb60ce (patch)
tree3ba3635ac2f212b332198b14cc3239195c153e67 /include/linux/netdevice.h
parent9d57883f08d3c0c111b50bf185dfee9731a12c76 (diff)
parentac70eb1305d5a81efd1e32327d7e79be15a63a5a (diff)
Merge branch 'fix/hda' into topic/hda
Diffstat (limited to 'include/linux/netdevice.h')
-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)
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);
}