diff options
Diffstat (limited to 'net/core/dev.c')
-rw-r--r-- | net/core/dev.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 75e104322ad5..5fcbc66d865e 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -11932,15 +11932,24 @@ void unregister_netdevice_many_notify(struct list_head *head, BUG_ON(dev->reg_state != NETREG_REGISTERED); } - /* If device is running, close it first. */ + /* If device is running, close it first. Start with ops locked... */ list_for_each_entry(dev, head, unreg_list) { - list_add_tail(&dev->close_list, &close_head); - netdev_lock_ops(dev); + if (netdev_need_ops_lock(dev)) { + list_add_tail(&dev->close_list, &close_head); + netdev_lock(dev); + } + } + dev_close_many(&close_head, true); + /* ... now unlock them and go over the rest. */ + list_for_each_entry(dev, head, unreg_list) { + if (netdev_need_ops_lock(dev)) + netdev_unlock(dev); + else + list_add_tail(&dev->close_list, &close_head); } dev_close_many(&close_head, true); list_for_each_entry(dev, head, unreg_list) { - netdev_unlock_ops(dev); /* And unlink it from device chain. */ unlist_netdevice(dev); netdev_lock(dev); |