From 18543a643fae694982c7d89c22436885f3506497 Mon Sep 17 00:00:00 2001 From: Guillaume Chazarain Date: Sat, 6 Nov 2010 06:39:32 +0000 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- include/linux/netdevice.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 072652d94d9f..d8fd2c23a1b9 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); } -- 2.20.1