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>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c
index 120a676..fc60bea 100644
--- a/net/tipc/eth_media.c
+++ b/net/tipc/eth_media.c
@@ -251,9 +251,9 @@ static void disable_bearer(struct tipc_bearer *tb_ptr)
  * specified device.
  */
 static int recv_notification(struct notifier_block *nb, unsigned long evt,
-			     void *dv)
+			     void *ptr)
 {
-	struct net_device *dev = (struct net_device *)dv;
+	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 	struct eth_bearer *eb_ptr = &eth_bearers[0];
 	struct eth_bearer *stop = &eth_bearers[MAX_ETH_BEARERS];