diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 7990984ca364..138ab897de7d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1085,6 +1085,7 @@ static int dev_get_valid_name(struct net *net, */ int dev_change_name(struct net_device *dev, const char *newname) { + unsigned char old_assign_type; char oldname[IFNAMSIZ]; int err = 0; int ret; @@ -1112,10 +1113,14 @@ int dev_change_name(struct net_device *dev, const char *newname) return err; } + old_assign_type = dev->name_assign_type; + dev->name_assign_type = NET_NAME_RENAMED; + rollback: ret = device_rename(&dev->dev, dev->name); if (ret) { memcpy(dev->name, oldname, IFNAMSIZ); + dev->name_assign_type = old_assign_type; write_seqcount_end(&devnet_rename_seq); return ret; } @@ -1144,6 +1149,8 @@ rollback: write_seqcount_begin(&devnet_rename_seq); memcpy(dev->name, oldname, IFNAMSIZ); memcpy(oldname, newname, IFNAMSIZ); + dev->name_assign_type = old_assign_type; + old_assign_type = NET_NAME_RENAMED; goto rollback; } else { pr_err("%s: name change rollback failed: %d\n", @@ -2745,8 +2752,8 @@ static inline int __dev_xmit_skb(struct sk_buff *skb, struct Qdisc *q, /* * Heuristic to force contended enqueues to serialize on a * separate lock before trying to get qdisc main lock. - * This permits __QDISC_STATE_RUNNING owner to get the lock more often - * and dequeue packets faster. + * This permits __QDISC___STATE_RUNNING owner to get the lock more + * often and dequeue packets faster. */ contended = qdisc_is_running(q); if (unlikely(contended)) @@ -5438,13 +5445,9 @@ int __dev_change_flags(struct net_device *dev, unsigned int flags) */ ret = 0; - if ((old_flags ^ flags) & IFF_UP) { /* Bit is different ? */ + if ((old_flags ^ flags) & IFF_UP) ret = ((old_flags & IFF_UP) ? __dev_close : __dev_open)(dev); - if (!ret) - dev_set_rx_mode(dev); - } - if ((flags ^ dev->gflags) & IFF_PROMISC) { int inc = (flags & IFF_PROMISC) ? 1 : -1; unsigned int old_flags = dev->flags; @@ -6444,17 +6447,19 @@ void netdev_freemem(struct net_device *dev) /** * alloc_netdev_mqs - allocate network device - * @sizeof_priv: size of private data to allocate space for - * @name: device name format string - * @setup: callback to initialize device - * @txqs: the number of TX subqueues to allocate - * @rxqs: the number of RX subqueues to allocate + * @sizeof_priv: size of private data to allocate space for + * @name: device name format string + * @name_assign_type: origin of device name + * @setup: callback to initialize device + * @txqs: the number of TX subqueues to allocate + * @rxqs: the number of RX subqueues to allocate * * Allocates a struct net_device with private data area for driver use * and performs basic initialization. Also allocates subqueue structs * for each queue on the device. */ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, + unsigned char name_assign_type, void (*setup)(struct net_device *), unsigned int txqs, unsigned int rxqs) { @@ -6533,6 +6538,7 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name, #endif strcpy(dev->name, name); + dev->name_assign_type = name_assign_type; dev->group = INIT_NETDEV_GROUP; if (!dev->ethtool_ops) dev->ethtool_ops = &default_ethtool_ops; @@ -7101,7 +7107,7 @@ static void __net_exit default_device_exit_batch(struct list_head *net_list) rtnl_lock_unregistering(net_list); list_for_each_entry(net, net_list, exit_list) { for_each_netdev_reverse(net, dev) { - if (dev->rtnl_link_ops) + if (dev->rtnl_link_ops && dev->rtnl_link_ops->dellink) dev->rtnl_link_ops->dellink(dev, &dev_kill_list); else unregister_netdevice_queue(dev, &dev_kill_list); |