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net: introduce NETDEV_POST_INIT notifier

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For various purposes including a wireless extensions
bugfix, we need to hook into the netdev creation before
before netdev_register_kobject(). This will also ease
doing the dev type assignment that Marcel was working
on for cfg80211 drivers w/o touching them all.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg 2009-10-02 05:15:27 +00:00 committed by David S. Miller
parent 225794f8c3
commit 7ffbe3fdac
2 changed files with 7 additions and 0 deletions
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1
include/linux/notifier.h
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@ -201,6 +201,7 @@ static inline int notifier_to_errno(int ret)
#define NETDEV_PRE_UP 0x000D
#define NETDEV_BONDING_OLDTYPE 0x000E
#define NETDEV_BONDING_NEWTYPE 0x000F
#define NETDEV_POST_INIT 0x0010
#define SYS_DOWN 0x0001 /* Notify of system down */
#define SYS_RESTART SYS_DOWN

6
net/core/dev.c
View File

@ -4836,6 +4836,12 @@ int register_netdevice(struct net_device *dev)
dev->features |= NETIF_F_GSO;
netdev_initialize_kobject(dev);
ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
ret = notifier_to_errno(ret);
if (ret)
goto err_uninit;
ret = netdev_register_kobject(dev);
if (ret)
goto err_uninit;