[PATCH 3.16 035/136] l2tp: protect sock pointer of struct pppol2tp_session with RCU

3.16.54-rc1 review patch. If anyone has any objections, please let me know. -- From: Guillaume Nault commit ee40fb2e1eb5bc0ddd3f2f83c6e39a454ef5a741 upstream. pppol2tp_session_create() registers sessions that can't have their corresponding socket

[PATCH 3.16 035/136] l2tp: protect sock pointer of struct pppol2tp_session with RCU

3.16.54-rc1 review patch. If anyone has any objections, please let me know. -- From: Guillaume Nault commit ee40fb2e1eb5bc0ddd3f2f83c6e39a454ef5a741 upstream. pppol2tp_session_create() registers sessions that can't have their corresponding socket initialised. This socket has