openvswitch: remove unused functions

ovs_vport_deferred_free is not used anywhere. It's the only caller of
free_vport_rcu thus this one can be removed, too.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/openvswitch/vport.c

@@ -465,22 +465,6 @@ int ovs_vport_receive(struct vport *vport, struct sk_buff *skb,
 }
 EXPORT_SYMBOL_GPL(ovs_vport_receive);
 
-static void free_vport_rcu(struct rcu_head *rcu)
-{
-	struct vport *vport = container_of(rcu, struct vport, rcu);
-
-	ovs_vport_free(vport);
-}
-
-void ovs_vport_deferred_free(struct vport *vport)
-{
-	if (!vport)
-		return;
-
-	call_rcu(&vport->rcu, free_vport_rcu);
-}
-EXPORT_SYMBOL_GPL(ovs_vport_deferred_free);
-
 static unsigned int packet_length(const struct sk_buff *skb)
 {
 	unsigned int length = skb->len - ETH_HLEN;

net/openvswitch/vport.h

@@ -149,7 +149,6 @@ struct vport_ops {
 struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *,
 			      const struct vport_parms *);
 void ovs_vport_free(struct vport *);
-void ovs_vport_deferred_free(struct vport *vport);
 
 #define VPORT_ALIGN 8