For various purposes including a wireless extensions
bugfix, we need to hook into the netdev creation at
a point before netdev_register_kobject(). It seems
more generic, however, to have it even earlier. This
will also ease doing the dev type assignment that
Marcel was working on generically.
Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
---
include/linux/notifier.h | 1 +
net/core/dev.c | 5 +++++
2 files changed, 6 insertions(+)
--- wireless-testing.orig/include/linux/notifier.h 2009-09-27 15:09:10.000000000 +0200
+++ wireless-testing/include/linux/notifier.h 2009-09-27 15:10:19.000000000 +0200
@@ -199,6 +199,7 @@ static inline int notifier_to_errno(int
#define NETDEV_FEAT_CHANGE 0x000B
#define NETDEV_BONDING_FAILOVER 0x000C
#define NETDEV_PRE_UP 0x000D
+#define NETDEV_PRE_INIT 0x000E
#define SYS_DOWN 0x0001 /* Notify of system down */
#define SYS_RESTART SYS_DOWN
--- wireless-testing.orig/net/core/dev.c 2009-09-27 15:09:56.000000000 +0200
+++ wireless-testing/net/core/dev.c 2009-09-27 15:11:40.000000000 +0200
@@ -4734,6 +4734,11 @@ int register_netdevice(struct net_device
dev->iflink = -1;
+ ret = call_netdevice_notifiers(NETDEV_PRE_INIT, dev);
+ ret = notifier_to_errno(ret);
+ if (ret)
+ goto out;
+
/* Init, if this function is available */
if (dev->netdev_ops->ndo_init) {
ret = dev->netdev_ops->ndo_init(dev);
--
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