net: pass info struct via netdevice notifier
So far, only net_device * could be passed along with netdevice notifier
event. This patch provides a possibility to pass custom structure
able to provide info that event listener needs to know.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
v2->v3: fix typo on simeth
shortened dev_getter
shortened notifier_info struct name
v1->v2: fix notifier_call parameter in call_netdevice_notifier()
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 9c83474..e98fcfb 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -202,10 +202,10 @@
/*
* Handle device status changes.
*/
-static int rose_device_event(struct notifier_block *this, unsigned long event,
- void *ptr)
+static int rose_device_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
{
- struct net_device *dev = (struct net_device *)ptr;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;