[PATCH 3.16 160/294] l2tp: hold tunnel while handling genl TUNNEL_GET commands

3.16.50-rc1 review patch. If anyone has any objections, please let me know. -- From: Guillaume Nault commit 4e4b21da3acc68a7ea55f850cacc13706b7480e9 upstream. Use l2tp_tunnel_get() instead of l2tp_tunnel_find() so that we get a reference on the tunnel,

[PATCH 3.16 160/294] l2tp: hold tunnel while handling genl TUNNEL_GET commands

3.16.50-rc1 review patch. If anyone has any objections, please let me know. -- From: Guillaume Nault commit 4e4b21da3acc68a7ea55f850cacc13706b7480e9 upstream. Use l2tp_tunnel_get() instead of l2tp_tunnel_find() so that we get a reference on the tunnel, preventing