diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c index 8554d0ea1719..68a8d892c711 100644 --- a/net/ipv4/inet_timewait_sock.c +++ b/net/ipv4/inet_timewait_sock.c @@ -49,19 +49,22 @@ static void __inet_twsk_kill(struct inet_timewait_sock *tw, inet_twsk_put(tw); } +static noinline void inet_twsk_free(struct inet_timewait_sock *tw) +{ + struct module *owner = tw->tw_prot->owner; + twsk_destructor((struct sock *)tw); +#ifdef SOCK_REFCNT_DEBUG + pr_debug("%s timewait_sock %p released\n", tw->tw_prot->name, tw); +#endif + release_net(twsk_net(tw)); + kmem_cache_free(tw->tw_prot->twsk_prot->twsk_slab, tw); + module_put(owner); +} + void inet_twsk_put(struct inet_timewait_sock *tw) { - if (atomic_dec_and_test(&tw->tw_refcnt)) { - struct module *owner = tw->tw_prot->owner; - twsk_destructor((struct sock *)tw); -#ifdef SOCK_REFCNT_DEBUG - printk(KERN_DEBUG "%s timewait_sock %p released\n", - tw->tw_prot->name, tw); -#endif - release_net(twsk_net(tw)); - kmem_cache_free(tw->tw_prot->twsk_prot->twsk_slab, tw); - module_put(owner); - } + if (atomic_dec_and_test(&tw->tw_refcnt)) + inet_twsk_free(tw); } EXPORT_SYMBOL_GPL(inet_twsk_put);