diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 087f2434813a..59eda6952bc9 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -262,7 +262,7 @@ void rtnl_unregister_all(int protocol) synchronize_net(); - while (refcount_read(&rtnl_msg_handlers_ref[protocol]) > 0) + while (refcount_read(&rtnl_msg_handlers_ref[protocol]) > 1) schedule(); kfree(handlers); } @@ -4324,6 +4324,11 @@ static struct pernet_operations rtnetlink_net_ops = { void __init rtnetlink_init(void) { + int i; + + for (i = 0; i < ARRAY_SIZE(rtnl_msg_handlers_ref); i++) + refcount_set(&rtnl_msg_handlers_ref[i], 1); + if (register_pernet_subsys(&rtnetlink_net_ops)) panic("rtnetlink_init: cannot initialize rtnetlink\n");