[Bridge] [patch net-next 07/16] netpoll: remove usage of dev->master
From: Jiri Pirko <jiri@resnulli.us>
Date: 2012-08-13 15:27:44
Also in:
linux-rdma, linux-s390, lkml, netdev
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Jiri Pirko <jiri@resnulli.us> --- net/core/netpoll.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index b4c90e4..5c8e560 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c@@ -207,12 +207,16 @@ static void netpoll_poll_dev(struct net_device *dev) if (dev->flags & IFF_SLAVE) { if (dev->npinfo) { - struct net_device *bond_dev = dev->master; + struct net_device *bond_dev; struct sk_buff *skb; + + rcu_read_lock(); + bond_dev = netdev_unique_upper_dev_get_rcu(dev); while ((skb = skb_dequeue(&dev->npinfo->arp_tx))) { skb->dev = bond_dev; skb_queue_tail(&bond_dev->npinfo->arp_tx, skb); } + rcu_read_unlock(); } }
@@ -795,7 +799,7 @@ int netpoll_setup(struct netpoll *np) return -ENODEV; } - if (ndev->master) { + if (netdev_unique_upper_dev_get(ndev)) { np_err(np, "%s is a slave device, aborting\n", np->dev_name); err = -EBUSY; goto put;
--
1.7.10.4