28 	struct xfrm_tunnel __rcu **pprev;  in xfrm4_tunnel_register()  local
36 	for (pprev = fam_handlers(family);  in xfrm4_tunnel_register()
37 	     (t = rcu_dereference_protected(*pprev,  in xfrm4_tunnel_register()
39 	     pprev = &t->next) {  in xfrm4_tunnel_register()
46 	handler->next = *pprev;  in xfrm4_tunnel_register()
47 	rcu_assign_pointer(*pprev, handler);  in xfrm4_tunnel_register()
60 	struct xfrm_tunnel __rcu **pprev;  in xfrm4_tunnel_deregister()  local
66 	for (pprev = fam_handlers(family);  in xfrm4_tunnel_deregister()
67 	     (t = rcu_dereference_protected(*pprev,  in xfrm4_tunnel_deregister()
69 	     pprev = &t->next) {  in xfrm4_tunnel_deregister()
71 			*pprev = handler->next;  in xfrm4_tunnel_deregister()