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| author | Guillaume Chazarain <guichaz@gmail.com> | 2010-11-06 06:39:32 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-11-08 12:17:07 -0800 |
| commit | 18543a643fae694982c7d89c22436885f3506497 (patch) | |
| tree | 0674a2db40dcfd1d5c6999f600df6c8147f73df3 | |
| parent | 63f4e1903ae41b4e457dd4490afe0f59e7641ad6 (diff) | |
| download | op-kernel-dev-18543a643fae694982c7d89c22436885f3506497.zip op-kernel-dev-18543a643fae694982c7d89c22436885f3506497.tar.gz | |
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>
| -rw-r--r-- | include/linux/netdevice.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 072652d..d8fd2c2 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); } |
