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-rw-r--r--net/ipv4/inet_timewait_sock.c23
1 files changed, 13 insertions, 10 deletions
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);
}
-void inet_twsk_put(struct inet_timewait_sock *tw)
+static noinline void inet_twsk_free(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);
+ 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);
+ 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);
- }
+ 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))
+ inet_twsk_free(tw);
}
EXPORT_SYMBOL_GPL(inet_twsk_put);
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