lapbeth: Release ->ethdev when unregistering device.

Otherwise it leaks forever.

Based upon a report by Roland <devzero@web.de>

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index b5860b97a93e..24fd613466b7 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -459,6 +459,7 @@ static void __exit lapbeth_cleanup_driver(void)
         list_for_each_safe(entry, tmp, &lapbeth_devices) {
                 lapbeth = list_entry(entry, struct lapbethdev, node);
 
+                dev_put(lapbeth->ethdev);
                 unregister_netdevice(lapbeth->axdev);
         }
         rtnl_unlock();