[NETFILTER]: nf_conntrack: kill destroy() in struct nf_conntrack for diet
The destructor per conntrack is unnecessary, then this replaces it with
system wide destructor.
Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index fe5f22d..a84478e 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -260,7 +260,22 @@
}
}
EXPORT_SYMBOL(nf_ct_attach);
-#endif
+
+void (*nf_ct_destroy)(struct nf_conntrack *);
+EXPORT_SYMBOL(nf_ct_destroy);
+
+void nf_conntrack_destroy(struct nf_conntrack *nfct)
+{
+ void (*destroy)(struct nf_conntrack *);
+
+ rcu_read_lock();
+ destroy = rcu_dereference(nf_ct_destroy);
+ BUG_ON(destroy == NULL);
+ destroy(nfct);
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL(nf_conntrack_destroy);
+#endif /* CONFIG_NF_CONNTRACK */
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc_net_netfilter;