inet: Remove unused send_check length argument

inet: Remove unused send_check length argument

This patch removes the unused length argument from the send_check
function in struct inet_connection_sock_af_ops.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Yinghai <yinghai.lu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 53f8e12..a10a61a 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -223,7 +223,7 @@
 	skb->csum = skb_checksum(skb, 0, (cov > skb->len)? skb->len : cov, 0);
 }
 
-extern void dccp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb);
+extern void dccp_v4_send_check(struct sock *sk, struct sk_buff *skb);
 
 extern int  dccp_retransmit_skb(struct sock *sk);
 
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 52ffa1c..d9b11ef 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -349,7 +349,7 @@
 	return csum_tcpudp_magic(src, dst, skb->len, IPPROTO_DCCP, skb->csum);
 }
 
-void dccp_v4_send_check(struct sock *sk, int unused, struct sk_buff *skb)
+void dccp_v4_send_check(struct sock *sk, struct sk_buff *skb)
 {
 	const struct inet_sock *inet = inet_sk(sk);
 	struct dccp_hdr *dh = dccp_hdr(skb);
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 3b11e41..ab1ab95 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -60,8 +60,7 @@
 	return csum_ipv6_magic(saddr, daddr, skb->len, IPPROTO_DCCP, skb->csum);
 }
 
-static inline void dccp_v6_send_check(struct sock *sk, int unused_value,
-				      struct sk_buff *skb)
+static inline void dccp_v6_send_check(struct sock *sk, struct sk_buff *skb)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct dccp_hdr *dh = dccp_hdr(skb);
diff --git a/net/dccp/output.c b/net/dccp/output.c
index fc3f436..b8d98e3 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -129,7 +129,7 @@
 			break;
 		}
 
-		icsk->icsk_af_ops->send_check(sk, 0, skb);
+		icsk->icsk_af_ops->send_check(sk, skb);
 
 		if (set_ack)
 			dccp_event_ack_sent(sk);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index aebfd28..a24995c 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -537,7 +537,7 @@
 }
 
 /* This routine computes an IPv4 TCP checksum. */
-void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb)
+void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb)
 {
 	struct inet_sock *inet = inet_sk(sk);
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0dda86e..0ae7ce7 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -878,7 +878,7 @@
 	}
 #endif
 
-	icsk->icsk_af_ops->send_check(sk, skb->len, skb);
+	icsk->icsk_af_ops->send_check(sk, skb);
 
 	if (likely(tcb->flags & TCPCB_FLAG_ACK))
 		tcp_event_ack_sent(sk, tcp_skb_pcount(skb));
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index f84c506..b429dfd 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -933,7 +933,7 @@
 	}
 }
 
-static void tcp_v6_send_check(struct sock *sk, int len, struct sk_buff *skb)
+static void tcp_v6_send_check(struct sock *sk, struct sk_buff *skb)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);