bridge: Introduce br_send_bpdu_finish

The function dev_queue_xmit_skb_sk is unncessary and very confusing.
Introduce br_send_bpdu_finish to remove the need for dev_queue_xmit_skb_sk,
and have br_send_bpdu_finish call dev_queue_xmit.
Signed-off-by: N"Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/bridge/br_stp_bpdu.c

@@ -30,6 +30,11 @@
 
 #define LLC_RESERVE sizeof(struct llc_pdu_un)
 
+static int br_send_bpdu_finish(struct sock *sk, struct sk_buff *skb)
+{
+	return dev_queue_xmit(skb);
+}
+
 static void br_send_bpdu(struct net_bridge_port *p,
 			 const unsigned char *data, int length)
 {
@@ -56,7 +61,7 @@ static void br_send_bpdu(struct net_bridge_port *p,
 
 	NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, NULL, skb,
 		NULL, skb->dev,
-		dev_queue_xmit_sk);
+		br_send_bpdu_finish);
 }
 
 static inline void br_set_ticks(unsigned char *dest, int j)