net: backlog functions rename

sk_add_backlog -> __sk_add_backlog
sk_add_backlog_limited -> sk_add_backlog

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sock.h b/include/net/sock.h
index 2516d76..170353d 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -592,7 +592,7 @@
 }
 
 /* OOB backlog add */
-static inline void sk_add_backlog(struct sock *sk, struct sk_buff *skb)
+static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 {
 	if (!sk->sk_backlog.tail) {
 		sk->sk_backlog.head = sk->sk_backlog.tail = skb;
@@ -604,12 +604,12 @@
 }
 
 /* The per-socket spinlock must be held here. */
-static inline int sk_add_backlog_limited(struct sock *sk, struct sk_buff *skb)
+static inline int sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 {
 	if (sk->sk_backlog.len >= max(sk->sk_backlog.limit, sk->sk_rcvbuf << 1))
 		return -ENOBUFS;
 
-	sk_add_backlog(sk, skb);
+	__sk_add_backlog(sk, skb);
 	sk->sk_backlog.len += skb->truesize;
 	return 0;
 }