diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 55 |
1 files changed, 1 insertions, 54 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index f453370131a0..563ddc28139d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1140,9 +1140,6 @@ static int __dev_open(struct net_device *dev) ASSERT_RTNL(); - /* - * Is it even present? - */ if (!netif_device_present(dev)) return -ENODEV; @@ -1151,9 +1148,6 @@ static int __dev_open(struct net_device *dev) if (ret) return ret; - /* - * Call device private open method - */ set_bit(__LINK_STATE_START, &dev->state); if (ops->ndo_validate_addr) @@ -1162,31 +1156,12 @@ static int __dev_open(struct net_device *dev) if (!ret && ops->ndo_open) ret = ops->ndo_open(dev); - /* - * If it went open OK then: - */ - if (ret) clear_bit(__LINK_STATE_START, &dev->state); else { - /* - * Set the flags. - */ dev->flags |= IFF_UP; - - /* - * Enable NET_DMA - */ net_dmaengine_get(); - - /* - * Initialize multicasting status - */ dev_set_rx_mode(dev); - - /* - * Wakeup transmit queue engine - */ dev_activate(dev); } @@ -1209,22 +1184,13 @@ int dev_open(struct net_device *dev) { int ret; - /* - * Is it already up? - */ if (dev->flags & IFF_UP) return 0; - /* - * Open device - */ ret = __dev_open(dev); if (ret < 0) return ret; - /* - * ... and announce new interface. - */ rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING); call_netdevice_notifiers(NETDEV_UP, dev); @@ -1240,10 +1206,6 @@ static int __dev_close_many(struct list_head *head) might_sleep(); list_for_each_entry(dev, head, unreg_list) { - /* - * Tell people we are going down, so that they can - * prepare to death, when device is still operating. - */ call_netdevice_notifiers(NETDEV_GOING_DOWN, dev); clear_bit(__LINK_STATE_START, &dev->state); @@ -1272,15 +1234,7 @@ static int __dev_close_many(struct list_head *head) if (ops->ndo_stop) ops->ndo_stop(dev); - /* - * Device is now down. - */ - dev->flags &= ~IFF_UP; - - /* - * Shutdown NET_DMA - */ net_dmaengine_put(); } @@ -1309,9 +1263,6 @@ static int dev_close_many(struct list_head *head) __dev_close_many(head); - /* - * Tell people we are down - */ list_for_each_entry(dev, head, unreg_list) { rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING); call_netdevice_notifiers(NETDEV_DOWN, dev); @@ -1371,11 +1322,6 @@ EXPORT_SYMBOL(dev_disable_lro); static int dev_boot_phase = 1; -/* - * Device change register/unregister. These are not inline or static - * as we export them to the world. - */ - /** * register_netdevice_notifier - register a network notifier block * @nb: notifier @@ -1477,6 +1423,7 @@ int call_netdevice_notifiers(unsigned long val, struct net_device *dev) ASSERT_RTNL(); return raw_notifier_call_chain(&netdev_chain, val, dev); } +EXPORT_SYMBOL(call_netdevice_notifiers); /* When > 0 there are consumers of rx skb time stamps */ static atomic_t netstamp_needed = ATOMIC_INIT(0); |